{"product_id":"hm-digital-pph-1000-ph-temperature-controller-4-20ma-dual-relay","title":"HM Digital PPH-1000 Single-Line pH \u0026 Temperature Controller with 4-20mA Output","description":"\u003ch2\u003eHM Digital PPH-1000 Single-Line pH \u0026amp; Temperature Controller\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eHM Digital PPH-1000\u003c\/strong\u003e is a professional-grade, single-line pH and temperature controller engineered for \u003cstrong\u003eindustrial and commercial water treatment systems\u003c\/strong\u003e. With a \u003cstrong\u003e4-20mA analog output\u003c\/strong\u003e, dual relay control, and automatic temperature compensation (ATC), the PPH-1000 delivers precise, continuous pH management for demanding applications — from chemical dosing systems to aquaculture, hydroponics, and process water control.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20mA output signal\u003c\/strong\u003e — integrates directly with PLCs, SCADA systems, and industrial controllers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual relay control\u003c\/strong\u003e — two independently adjustable set points (High \u0026amp; Low) maintain your target pH range automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital calibration\u003c\/strong\u003e — calibrate to any point with on-screen buttons; no manual potentiometers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Temperature Compensation (ATC)\u003c\/strong\u003e — accurate readings from 1–60°C regardless of process temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-screen temperature display\u003c\/strong\u003e — monitor pH and temperature simultaneously on the bright LED display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes ¾\" pH electrode probe\u003c\/strong\u003e — 3m (9.8 ft.) cable for flexible installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional alarm output\u003c\/strong\u003e — configurable alert for out-of-range conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProfessional Applications\u003c\/h3\u003e\u003cp\u003eThe PPH-1000 is the go-to pH controller for:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCommercial water treatment and chemical dosing systems\u003c\/li\u003e\n\u003cli\u003eHydroponics and greenhouse nutrient management\u003c\/li\u003e\n\u003cli\u003eAquaculture and fish farming pH regulation\u003c\/li\u003e\n\u003cli\u003eIndustrial process water quality control\u003c\/li\u003e\n\u003cli\u003eSwimming pool and spa automated pH dosing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PPH-1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e HM Digital\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 0.01 – 14.00 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±0.5% F.S.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.01 pH \/ 0.1°C (0.1°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATC Range:\u003c\/strong\u003e 1 – 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration:\u003c\/strong\u003e Digital, any point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e 4-20mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Controls:\u003c\/strong\u003e 2 (upper and lower limit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Switching:\u003c\/strong\u003e 5A, 250VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm:\u003c\/strong\u003e Optional setting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Bright 5\/8\" LED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e ¾\" electrode, 3m (9.8 ft.) cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e AC 110V \/ 220V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.2 × 7.2 × 11.1 cm (2.8 × 2.8 × 4.4 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 235g (8.3 oz.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e South Korea\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU \/ MPN:\u003c\/strong\u003e PPH-1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarcode \/ UPC:\u003c\/strong\u003e 891144000878\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":43971244556375,"sku":"PPH-1000","price":535.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1555\/0581\/files\/pph100-main-1.png?v=1781967963","url":"https:\/\/getultimatenow.com\/products\/hm-digital-pph-1000-ph-temperature-controller-4-20ma-dual-relay","provider":"Get Ultimate Now ","version":"1.0","type":"link"}