Hanna GroLine HI9814K Portable pH EC TDS Temperature Meter - Complete Hydroponics Testing Kit
The Hanna GroLine HI9814K is a complete, ready-to-use portable testing kit designed specifically for hydroponic, aquaponic, and greenhouse nutrient management. This waterproof meter combines pH, EC, TDS, and temperature measurement in one rugged handheld device with a specialized 3-in-1 pre-amplified probe that delivers professional-grade accuracy in challenging grow environments.
Complete Kit - Ready to Measure
The HI9814K arrives as a comprehensive testing solution with everything you need: HI9814 meter, HI1285-7 multiparameter probe, pH/EC Quick Cal calibration sachets, storage solution, agriculture cleaning solution, and protective green rubber boot. Start testing your nutrient solution immediately upon arrival.
Key Benefits
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4-in-1 Measurement: Simultaneous pH, EC/TDS, and temperature readings on large multi-level LCD
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Pre-Amplified Probe: Reduces electrical interference from pumps, motors, and grow lights
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Waterproof Design: IP65 rated for use in humid grow rooms and greenhouses
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Quick Cal System: Single-solution calibration for both pH and EC saves time
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Portable & Battery Powered: 600 hours continuous use on 3 AAA batteries
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Professional Accuracy: ±0.02 pH and ±2% F.S. EC accuracy
Technical Specifications
pH Measurement
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Range: -2.00 to 16.00 pH
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Resolution: 0.01 pH
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Accuracy: ±0.02 pH @ 25°C
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Calibration: Automatic 1 or 2-point (4.01, 7.01, 10.0 pH) or Quick Cal
EC/TDS Measurement
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EC Range: 0.00 to 6.00 mS/cm
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EC Resolution: 0.01 mS/cm
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EC Accuracy: ±2% F.S. @ 25°C
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TDS Range: 0-3000 ppm (0.5 CF) / 0-3990 ppm (0.7 CF)
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TDS Resolution: 10 ppm (mg/L)
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Conversion Factor: Selectable 0.5 (500 ppm) or 0.7 (700 ppm)
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Calibration: Automatic 1-point at 1.41 or 5.00 mS/cm or Quick Cal
Temperature Measurement
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Range: -5.0 to 105.0°C / 23.0 to 221.0°F
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Resolution: 0.1°C / 0.1°F
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Accuracy: ±0.5°C / ±1.0°F @ 25°C
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Compensation: Automatic for pH and EC (β=1.9%/°C)
Advanced Features
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Automatic Calibration: Buffer and standard recognition with on-screen tutorial messages
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Calibration Status Indicators: LCD displays calibration status and measurement stability
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Battery Level Display: Shows remaining battery power at startup
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mV Mode: ±825 mV range with 1 mV resolution for ORP measurements
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Protective Boot: Shockproof green rubber boot included for durability
HI1285-7 Pre-Amplified Multiparameter Probe
The included HI1285-7 probe features a rugged polypropylene body with built-in pH electrode, EC/TDS sensor, and temperature sensor. The integrated amplifier significantly reduces interference from electrical noise sources common in grow environments—including circulating pumps, motors, and ballasts for grow lights—ensuring accurate, stable readings every time.
Why Choose the GroLine HI9814K?
Engineered by Hanna Instruments specifically for hydroponic and aquaponic applications, the HI9814K delivers laboratory-grade accuracy in a portable, waterproof package. The large LCD displays all critical parameters simultaneously, eliminating the need to toggle between readings. Perfect for commercial growers, research facilities, and serious hobbyists who demand precision nutrient management.
Complete Specifications Table
| Specification |
Detail |
| Model |
HI9814K |
| pH Range |
-2.00 to 16.00 pH |
| pH Resolution |
0.01 pH |
| pH Accuracy (@25°C) |
±0.02 pH |
| pH Calibration |
Automatic 1 or 2-point (4.01, 7.01, 10.0 pH) or Quick Cal |
| mV Range |
±825 mV (pH-mV) |
| mV Resolution |
1 mV |
| mV Accuracy |
±1 mV |
| EC Range |
0.00 to 6.00 mS/cm |
| EC Resolution |
0.01 mS/cm |
| EC Accuracy (@25°C) |
±2% F.S. |
| EC Calibration |
Automatic 1-point (1.41 or 5.00 mS/cm) or Quick Cal |
| TDS Range |
0-3000 ppm (0.5 CF) / 0-3990 ppm (0.7 CF) |
| TDS Resolution |
10 ppm (mg/L) |
| TDS Accuracy (@25°C) |
±2% F.S. |
| TDS Conversion Factor |
Selectable 0.5 (500 ppm) or 0.7 (700 ppm) |
| Temperature Range |
-5.0 to 105.0°C / 23.0 to 221.0°F |
| Temperature Resolution |
0.1°C / 0.1°F |
| Temperature Accuracy (@25°C) |
±0.5°C / ±1.0°F |
| Temperature Compensation |
pH: Automatic; EC: Automatic (β=1.9%/°C) |
| Power Supply |
3 x 1.5V AAA batteries (included) |
| Battery Life |
Approx. 600 hours continuous use |
| Operating Environment |
0 to 50°C (32 to 122°F); RH max 100% |
| Protection Rating |
Waterproof (IP65) |
| Dimensions |
154 x 63 x 30 mm (6.1 x 2.5 x 1.2") |
| Weight |
196 g (6.91 oz) |
| Warranty |
2 years |
Complete Kit Includes
- HI9814 portable pH/EC/TDS/temperature meter
- HI1285-7 pre-amplified multiparameter probe with DIN connector and 1m (3.3') cable
- HI50036 Quick Calibration Solution sachets (3)
- HI700661 Cleaning Solution for Agriculture sachets (3)
- HI710030 protective green rubber boot
- 3 x 1.5V AAA alkaline batteries
- Instrument Quality Certificate
- Electrode Quality Certificate
- Instruction manual
Manufacturer: Hanna Instruments (GroLine Series)
Country of Origin: Romania
UPC: 606795356157
SKU: HI9814K