{"title":"HM Digital Controllers","description":"\u003ch6\u003e\u003cstrong\u003eFor more advanced heavy duty water purification, HM Digital controllers are ideal for water professionals working in industries such as Boilers and Cooling Towers, Industrial Strength RO or DI water purification, Car Wash and Window Cleaning, and many others.\u003c\/strong\u003e\u003c\/h6\u003e","products":[{"product_id":"psc-50-ec-tds-controller","title":"HM Digital Single Line, EC\/TDS Mini Controller PSC-50","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePSC-50: Single Line, EC\/TDS Mini Controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe PSC-50 is a NEW product from HM Digital offering extended range EC\/TDS testing for the commercial or industrial water treatment professional. This “mini” controller has an adjustable relay able to control a pump or valve.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFEATURES:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtended range for TDS and EC\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTemperature display mode\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDigital calibration\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eThe fully adjustable relay control is set by the user to automatically stop a pump or valve if the level rises above the setting\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStainless steel electrode\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIncludes all parts at no extra cost\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9999 ppm (mg\/L); 0-10.0 ppt (g\/L)\u003c\/li\u003e\n\u003cli\u003eEC: 0-9999 µS; 0-20.00 mS\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eResolution: 0-99.9: 0.1 ppm\/µS; 100-9999: 1 ppm\/µS; 0.1 ppt\/mS\u003c\/li\u003e\n\u003cli\u003eATC: Yes (1 – 65˚C)\u003c\/li\u003e\n\u003cli\u003eCalibration: Digital to any point\u003c\/li\u003e\n\u003cli\u003eSet Point: On-screen buttons\u003c\/li\u003e\n\u003cli\u003eRelay Control: Simple switch, user-defined set point\u003c\/li\u003e\n\u003cli\u003eAlarm: Optional setting\u003c\/li\u003e\n\u003cli\u003eDisplay: 2.3” LCD Display w\/ backlight\u003c\/li\u003e\n\u003cli\u003eProbes: 1\/2” NPTF, 3 m (9.8 ft.) cable\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110V \/ 220V\u003c\/li\u003e\n\u003cli\u003eDimensions: 9.6 x 4.8 x 10 cm (3.8 x 1.9 x 3.9 in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eApplication: Drinking Water, Food \u0026amp; Beverage, Industrial, Water Treatment\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32447575228503,"sku":"50050","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/psc50-main.png?v=1608077036"},{"product_id":"hm-digital-psc-150-ec-tds-controller-extended-range","title":"HM Digital PSC-150 Extended Range EC\/TDS Controller - Relay Control with Alarm","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003ePSC-150: Extended Range EC\/TDS Controller\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eNew controller includes extended range, digital calibration, on-screen temperature and tri-color display.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFEATURES:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMonitors and controls TDS levels for high output commercial systems.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eLarge, bright L.E.D. display\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAn alarm will sound if the TDS level rises above the user-set level.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOn-screen temperature display (C\/F)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIncludes one sensor probe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePRODUCT DESCRIPTION\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEC Range: 0-9999 µS\u003c\/li\u003e\n\u003cli\u003eTDS Range: 0 – 5000 ppm\u003c\/li\u003e\n\u003cli\u003eTemperature Range: 1-75°C; 33-167 °F\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eConversion Factor: NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1 µS\/ppm (0-999); 1 µS\/ppm (1000-9999)\u003c\/li\u003e\n\u003cli\u003eATC: Yes (1 – 65°C)\u003c\/li\u003e\n\u003cli\u003eCalibration: Adjustable (manual)\u003c\/li\u003e\n\u003cli\u003eSetting: Controlled by on-screen up\/down buttons\u003c\/li\u003e\n\u003cli\u003eRelay Control: The unit will open or close a circuit via dry contacts when the ppm\/µS level reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device.\u003c\/li\u003e\n\u003cli\u003eRelay Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eAlarm: Optional steady beep (set by user)\u003c\/li\u003e\n\u003cli\u003eDisplay: Bright 5\/8″ L.E.D. display\u003c\/li\u003e\n\u003cli\u003eProbe: 1\/2″ bushing (NPT), 3 meter (9.8 ft) shielded cable\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110V \/ AC 220V\u003c\/li\u003e\n\u003cli\u003eDimensions: 7.2 x 7.2 x 11.1 cm (2.8 x 2.8 x 4 in.)\u003c\/li\u003e\n\u003cli\u003eMonitor Weight: 230 g (8.1 oz) \/ Total (Shipping) Weight: 595 g (1 lb 5 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/psc150-main-429x600.png?v=1611008615\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eApplication: \u003c\/span\u003eDrinking Water\u003cspan\u003e, \u003c\/span\u003eFood \u0026amp; Beverage\u003cspan\u003e, \u003c\/span\u003eIndustrial\u003cspan\u003e, \u003c\/span\u003eWater Treatment\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":32469267284055,"sku":"50048","price":209.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/products\/psc150-main-429x600.png?v=1611008865"},{"product_id":"hm-digital-psc-64d-dual-display-ec-tds-monitor-4-20ma","title":"HM Digital PSC-64D Dual Display EC\/TDS Monitor - 4-20mA Output for Industrial Water","description":"\u003csection class=\"elementor-section elementor-top-section elementor-element elementor-element-7556ed52 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7556ed52\" data-element_type=\"section\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-39a87ea5\" data-id=\"39a87ea5\" data-element_type=\"column\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-61517f2e elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"61517f2e\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch2 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"40\" data-lineheight=\"48px\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\" data-mce-fragment=\"1\"\u003ePSC-64D: Dual Display, Dual Line EC\/TDS Monitor w\/ 4-20mA Output\u003c\/span\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\" data-id=\"7c50be16\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe PSC-64D is a NEW product from HM Digital offering dual display monitoring for the industrial water treatment professional. This extended range EC\/TDS “mini” monitor continuously monitors 2 lines while sending out a 4-20mA output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"7a8b99ba\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\" data-mce-fragment=\"1\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\" data-id=\"31ed1187\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_classic_list.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\" data-mce-fragment=\"1\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\" data-mce-fragment=\"1\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eContinuously monitors two lines simultaneously\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-0c3dd4a\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eDual line TDS\/EC displays feed and product water\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-5853e7c\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eExtended range for TDS and EC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-ff993f5\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003e4-20 mA output signal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-9e732c7\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eDigital calibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-0a74fad\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eStainless steel electrodes (2 sensors)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-c053d4a\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-classic-list-item-content\" data-mce-fragment=\"1\"\u003eIncludes all parts at no extra cost\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"elementor-section elementor-top-section elementor-element elementor-element-ba70748 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba70748\" data-element_type=\"section\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-container elementor-column-gap-default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-81869d2\" data-id=\"81869d2\" data-element_type=\"column\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-wrap elementor-element-populated\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-element elementor-element-2100fe9 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"2100fe9\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\" data-mce-fragment=\"1\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-ce6b038 elementor-widget elementor-widget-text-editor\" data-id=\"ce6b038\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"elementor-widget-container\" data-mce-fragment=\"1\"\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRange: 0-9999 ppm (mg\/L); 0-10.0 ppt (g\/L) EC: 0-9999 µS; 0-20.00 mS\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eResolution: 0-99.99: 0.1 ppm\/µS; 100-9999: 1 ppm\/µS; 0.1 ppt\/mS\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eATC: Yes (1 – 65˚C)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCalibration: Digital to any point\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSet Point: On-screen buttons\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAlarm: Optional setting\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDisplay: 2.3” LCD Display w\/ backlight\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProbes: 1\/2” NPTF, 3 m (9.8 ft.) cable\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePower Source: AC 110V \/ 220V\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDimensions: 9.6 x 4.8 x 10 cm (3.8 x 1.9 x 3.9 in)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWeight: 261g (9.02 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":39309038354519,"sku":"50051","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/psc64-main.png?v=1702489523"},{"product_id":"hm-digital-psc-54-single-line-ec-tds-mini-controller-with-4-20ma-output","title":"HM Digital PSC-54: Single Line, EC\/TDS Mini Controller with 4-20mA Output","description":"\u003cdiv class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\" data-id=\"7c50be16\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eThe PSC-54 is a NEW product from HM Digital offering extended range EC\/TDS testing for commercial or industrial water treatment professional. This “mini” controller has an adjustable relay able to control a pump or valve with a 4-20mA output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"7a8b99ba\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\" data-id=\"31ed1187\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_classic_list.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eExtended range for TDS and EC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-bd489ca\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003e4-20mA output signal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-11d7f03\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eTemperature display mode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-0570395\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eDigital calibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-ecd89ff\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eThe fully adjustable relay control is set by the user to automatically stop a pump or valve if the level rises above the setting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-1f2f4de\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eStainless steel electrode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-5170b94\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eIncludes all parts at no extra cost\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"elementor-element elementor-element-2100fe9 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"2100fe9\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-ce6b038 elementor-widget elementor-widget-text-editor\" data-id=\"ce6b038\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9999 ppm (mg\/L); 0-10.0 ppt (g\/L) EC: 0-9999 µS; 0-20.00 mS\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eResolution: 0-99.9: 0.1 ppm\/µS; 100-9999: 1 ppm\/µS; 0.1ppt\/mS\u003c\/li\u003e\n\u003cli\u003eATC: Yes (1 – 65˚C)\u003c\/li\u003e\n\u003cli\u003eCalibration: Digital to any point\u003c\/li\u003e\n\u003cli\u003eSet Point: On-screen buttons\u003c\/li\u003e\n\u003cli\u003eRelay Control: Simple switch, user-defined set point\u003c\/li\u003e\n\u003cli\u003eRelay Switching Electrical Specification :  5A, 250VAC\u003c\/li\u003e\n\u003cli\u003eAlarm: Optional setting\u003c\/li\u003e\n\u003cli\u003eDisplay: 2.3” LCD Display w\/ backlight\u003c\/li\u003e\n\u003cli\u003eProbes: 1\/2” NPTF, 3 m (9.8 ft.) cable\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110V \/ 220V\u003c\/li\u003e\n\u003cli\u003eDimensions: 9.6 x 4.8 x 10 cm (3.8 x 1.9 x 3.9 in)\u003c\/li\u003e\n\u003cli\u003eWeight: 261g (9.02 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":42559944851543,"sku":"PSC-54","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/psc54-main.png?v=1771884982"},{"product_id":"hm-digital-psc-60d-dual-display-dual-line-ec-tds-monitor","title":"HM Digital PSC-60D Dual Display, Dual Line EC\/TDS Monitor","description":"\u003cdiv class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\" data-id=\"7c50be16\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eThe PSC-60D is a NEW product from HM Digital offering dual display monitoring for the industrial water treatment professional. This extended range EC\/TDS “mini” monitor continuously monitors 2 lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"7a8b99ba\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\" data-id=\"31ed1187\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_classic_list.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eContinuously monitors two lines simultaneously\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-83183d0\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eDual line TDS\/EC displays feed and product water\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-58d7f7d\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eExtended range for TDS and EC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-6f69516\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eDigital calibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-ce367ff\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eStainless steel electrodes (2 sensors)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-f342c4a\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eIncludes all parts at no extra cost\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"elementor-element elementor-element-2100fe9 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"2100fe9\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-ce6b038 elementor-widget elementor-widget-text-editor\" data-id=\"ce6b038\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0-9999 ppm (mg\/L); 0-10.0 ppt (g\/L) EC: 0-9999 µS; 0-20.00 mS\u003c\/li\u003e\n\u003cli\u003eAccuracy: +\/- 2%\u003c\/li\u003e\n\u003cli\u003eResolution: 0-99.99: 0.01 ppm\/µS; 100-9999: 1 ppm\/µS; 0.1 ppt\/mS\u003c\/li\u003e\n\u003cli\u003eATC: Yes (1 – 65˚C)\u003c\/li\u003e\n\u003cli\u003eCalibration: Digital to any point\u003c\/li\u003e\n\u003cli\u003eSet Point: On-screen buttons\u003c\/li\u003e\n\u003cli\u003eAlarm: Optional setting\u003c\/li\u003e\n\u003cli\u003eDisplay: 2.3” LCD Display w\/ backlight\u003c\/li\u003e\n\u003cli\u003eProbes: 1\/2” NPTF, 3 m (9.8 ft.) cable\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110V \/ 220V\u003c\/li\u003e\n\u003cli\u003eDimensions: 9.6 x 4.8 x 10 cm (3.8 x 1.9 x 3.9 in)\u003c\/li\u003e\n\u003cli\u003eWeight: 261g (9.02 oz.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":42559959892055,"sku":"PSC-60D","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/psc60-main.png?v=1771885617"},{"product_id":"hm-digital-ps-203-dual-display-tds-controller","title":"HM Digital PS-203 Dual Display TDS Controller","description":"\u003cdiv class=\"elementor-element elementor-element-7c50be16 elementor-widget elementor-widget-text-editor\" data-id=\"7c50be16\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cp\u003eThe PS-203 allows for continuous and simultaneous monitoring and control of TDS levels on two water lines for high-output commercial systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-7a8b99ba elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"7a8b99ba\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eFEATURES\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-31ed1187 elementor-widget elementor-widget-stad_for_elementor_classic_list\" data-id=\"31ed1187\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_classic_list.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cdiv class=\"stad-classic-list-container stad-flex\"\u003e\n\u003cul class=\"stad-classic-list stad-list stad-classic-block-list\"\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-2b88e3c\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eSimultaneously monitors and controls the TDS levels of two water lines (e.g., the feed water and product water) for high-output commercial systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-a2413c9\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003e4-Digit large, bright L.E.D. displays\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-fc49f71\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eAn alarm will sound if the TDS level rises above the user-set level for both lines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"stad-classic-list-item elementor-repeater-item-0e9528a\"\u003e\u003cspan class=\"stad-classic-list-item-content\"\u003eIncludes two 1\/2″ sensor probes\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"elementor-element elementor-element-2100fe9 elementor-widget elementor-widget-stad_for_elementor_heading\" data-id=\"2100fe9\" data-element_type=\"widget\" data-widget_type=\"stad_for_elementor_heading.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003ch3 class=\"stad-heading stad-heading-single-content stad-padding-0 stad-margin-0 fusion-responsive-typography-calculated\" data-fontsize=\"32\" data-lineheight=\"41.6px\"\u003e\u003cspan class=\"stad-heading-single-content-text stad-heading-content-text stad-inline-block\"\u003e\u003cspan class=\"stad-heading-single-content-text-content\"\u003eSPECIFICATION\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"elementor-element elementor-element-ce6b038 elementor-widget elementor-widget-text-editor\" data-id=\"ce6b038\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"\u003e\n\u003cdiv class=\"elementor-widget-container\"\u003e\n\u003cul\u003e\n\u003cli\u003eRange: 0 – 9999ppm\u003c\/li\u003e\n\u003cli\u003eAccuracy: ±2%\u003c\/li\u003e\n\u003cli\u003eConversion Factor: NaCl (avg. 0.5)\u003c\/li\u003e\n\u003cli\u003eResolution: 0.1ppm (0-99.9), 1ppm (100-9999)\u003c\/li\u003e\n\u003cli\u003eATC: Yes (1-60°C)\u003c\/li\u003e\n\u003cli\u003eCalibration: Up and Down push button Digital calibration\u003c\/li\u003e\n\u003cli\u003eSetting: Controlled by on-screen up\/down buttons\u003c\/li\u003e\n\u003cli\u003eRelay Control: The unit will open or close a circuit via dry contacts when the ppm level of either sensor reaches or exceeds the control setting (simple switch). It can be used to control a pump, solenoid valve or other device. Each relay control is independent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eRelay Switching Electrical Specification :  5A, 250VAC\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003eAlarm: Optional steady beep (set by user), one for each set point\u003c\/li\u003e\n\u003cli\u003eProbe: 1\/2” NPTF\u003c\/li\u003e\n\u003cli\u003eCable Length: 3 meter (9.8 ft) shielded cable\u003c\/li\u003e\n\u003cli\u003eDisplay: 4-Digit bright FND dual displays\u003c\/li\u003e\n\u003cli\u003ePower Source: AC 110V\/230V, +10% Vac; 50\/60Hz\u003c\/li\u003e\n\u003cli\u003eDimensions: 9.6 x 9.6 x 12.6 cm (3.78 x 3.78 x 4.96 in.)\u003c\/li\u003e\n\u003cli\u003eMonitor Weight: 476 g (1 lb 0.8 oz)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":42559986073687,"sku":"PS-203","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/230823-PS-203-700-px.jpg?v=1771886620"},{"product_id":"hm-digital-psc-154-tds-ec-controller","title":"HM Digital PSC-154 TDS\/EC Controller – 4-20mA Output, Commercial Grade","description":"\u003ch2\u003eHM Digital PSC-154 TDS\/EC Controller – Commercial-Grade Water Quality Control with 4-20mA Output\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eHM Digital PSC-154\u003c\/strong\u003e is a professional-grade inline TDS\/EC controller engineered for high-output commercial and industrial water treatment systems. It continuously monitors total dissolved solids (TDS) and electrical conductivity (EC), triggers an audible alarm when levels exceed your set point, and outputs a \u003cstrong\u003e4-20mA signal\u003c\/strong\u003e for direct integration with PLCs and data logging systems — all displayed on a large, bright tri-color LED screen with on-screen temperature readout.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for demanding applications including commercial RO systems, hydroponics, aquaculture, water purification facilities, and industrial process water monitoring.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20mA analog output\u003c\/strong\u003e — industry-standard signal connects directly to PLCs, SCADA systems, and data loggers for continuous remote monitoring and automated control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudible alarm\u003c\/strong\u003e — sounds when TDS\/EC rises above the user-configured set point, enabling immediate response to water quality exceedances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay switch control\u003c\/strong\u003e — activates or deactivates a connected device (pump, valve, solenoid) based on the programmed set point for fully automated water quality management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-color LED display\u003c\/strong\u003e — large, bright display changes color based on water quality status for at-a-glance monitoring across the room\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-screen temperature display\u003c\/strong\u003e — shows real-time temperature in °C or °F alongside TDS\/EC readings for comprehensive water quality data in a single view\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital calibration\u003c\/strong\u003e — precise on-unit calibration without external tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended measurement range\u003c\/strong\u003e — designed for high-output commercial systems with broader TDS\/EC range than standard inline controllers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes sensor probe\u003c\/strong\u003e — ships with one SP-1-PSC sensor probe ready for immediate installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThe PSC-154 installs inline in your water line via the included SP-1-PSC sensor probe. As water flows past the probe, the controller continuously measures TDS (in ppm) and EC (in μS\/cm) and displays readings on the tri-color LED panel. When readings exceed your programmed set point, the unit simultaneously triggers the audible alarm, changes display color, and activates the relay output to control a connected device. The 4-20mA output runs continuously to your PLC or data logger for uninterrupted process monitoring and record-keeping.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommercial reverse osmosis (RO) systems\u003c\/strong\u003e — monitor permeate TDS and trigger alerts or shutoffs when membrane performance degrades\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponics \u0026amp; aquaponics\u003c\/strong\u003e — maintain precise nutrient solution EC levels with automated control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquaculture\u003c\/strong\u003e — continuous water quality monitoring for fish and shellfish production\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater purification facilities\u003c\/strong\u003e — process water quality control with PLC integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial process water\u003c\/strong\u003e — boiler feed water, cooling tower makeup, and rinse water monitoring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLaboratory \u0026amp; research\u003c\/strong\u003e — precise TDS\/EC measurement with data logging capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e4-20mA Output: Why It Matters\u003c\/h3\u003e\n\u003cp\u003eThe 4-20mA current loop is the global standard for industrial process instrumentation. Unlike voltage signals, current loop signals are immune to line resistance and electrical noise over long cable runs — making them reliable in electrically noisy industrial environments. The PSC-154’s 4-20mA output connects directly to any PLC, DCS, SCADA system, or data acquisition device that accepts standard analog input, enabling seamless integration into existing automation infrastructure without signal converters or additional hardware.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e PSC-154  |  \u003cstrong\u003eUPC:\u003c\/strong\u003e 891144000366\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement parameters:\u003c\/strong\u003e TDS (ppm) and EC (μS\/cm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 4-20mA analog current loop\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Large tri-color LED (status-color-coded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature display:\u003c\/strong\u003e °C \/ °F selectable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Digital, on-unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm:\u003c\/strong\u003e Audible, user-configurable set point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay:\u003c\/strong\u003e Device control switch based on set point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e SP-1-PSC sensor probe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.5 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor:\u003c\/strong\u003e HM Digital\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of origin:\u003c\/strong\u003e South Korea\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat does the HM Digital PSC-154 measure?\u003c\/h3\u003e\n\u003cp\u003eThe PSC-154 measures total dissolved solids (TDS) in parts per million (ppm) and electrical conductivity (EC) in microsiemens per centimeter (μS\/cm). It also displays real-time water temperature in °C or °F on the same screen.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the 4-20mA output used for?\u003c\/h3\u003e\n\u003cp\u003eThe 4-20mA analog output connects the PSC-154 to PLCs, SCADA systems, DCS platforms, and data loggers for continuous remote monitoring and automated process control. The 4-20mA current loop is the global standard for industrial instrumentation and is immune to electrical noise over long cable runs, making it reliable in industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eCan the PSC-154 control a pump or valve automatically?\u003c\/h3\u003e\n\u003cp\u003eYes. The PSC-154 includes a relay switch that activates or deactivates a connected device — such as a pump, solenoid valve, or dosing system — based on the user-programmed TDS\/EC set point. This enables fully automated water quality management without manual intervention.\u003c\/p\u003e\n\n\u003ch3\u003eWhat sensor probe does the PSC-154 use?\u003c\/h3\u003e\n\u003cp\u003eThe PSC-154 ships with one SP-1-PSC sensor probe included. The probe installs inline in your water line and continuously feeds TDS\/EC readings to the controller.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the difference between the PSC-154 and a standard inline TDS meter?\u003c\/h3\u003e\n\u003cp\u003eA standard inline TDS meter displays readings only. The PSC-154 adds: a user-configurable alarm set point, a relay switch for automated device control, a 4-20mA output for PLC\/data logger integration, a tri-color status display, and on-screen temperature readout. It is a full process controller, not just a monitor.\u003c\/p\u003e\n\n\u003ch3\u003eWhat applications is the PSC-154 designed for?\u003c\/h3\u003e\n\u003cp\u003eThe PSC-154 is designed for high-output commercial and industrial applications including commercial RO systems, hydroponics, aquaponics, aquaculture, water purification facilities, industrial process water monitoring, and laboratory research requiring continuous TDS\/EC measurement with data logging.\u003c\/p\u003e\n\n\u003ch3\u003eWhere is the HM Digital PSC-154 made?\u003c\/h3\u003e\n\u003cp\u003eThe PSC-154 is manufactured in South Korea by HM Digital, a specialist in water quality measurement instrumentation.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":43188541915223,"sku":"PSC-154","price":194.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/PSC-154.png?v=1778608544"}],"url":"https:\/\/getultimatenow.com\/collections\/hm-digital-controllers\/psc-154.oembed","provider":"Get Ultimate Now ","version":"1.0","type":"link"}