GroLine HI981420-01 Hydroponic Nutrient Monitor - Professional pH, EC & TDS Monitoring
The Hanna GroLine HI981420-01 Monitor delivers around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Engineered for hydroponics, aquaponics, and greenhouse operations, this professional-grade monitor ensures consistent yields through precise nutrient management.
Key Benefits
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24/7 Continuous Monitoring: Real-time pH, EC & TDS measurements for consistent yields every harvest
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Professional GLP Accuracy: Good Laboratory Practice (GLP) feature ensures lab-grade precision
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Quick Cal System: Single-solution calibration for both pH and EC saves time and reduces errors
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30-Day Data Logging: Automatic logging every 15 minutes with min/max/average tracking
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High/Low Alarms: Instant visual warnings when parameters drift out of range
Technical Highlights
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Wide pH Range: 0.00 to 14.00 pH with ±0.05 pH accuracy
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EC Range: 0.00 to 10.00 mS/cm with ±0.1 mS/cm accuracy
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TDS Range: 0-5000 ppm (0.5 CF) or 0-7000 ppm (0.7 CF)
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3-in-1 Probe: pH electrode, amperometric EC/TDS sensor, and temperature sensor in rugged polypropylene body
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IP65 Rated: Designed for harsh grow room environments
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USB-C Connectivity: Easy data transfer to PC or memory stick
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Automatic Temperature Compensation: All readings compensated for temperature variations
Why Choose the GroLine HI981420-01?
Developed by growers and scientists, the GroLine Monitor combines professional laboratory accuracy with practical hydroponic functionality. The large LCD with plant-friendly green backlighting displays all three measurements simultaneously, while the ambient light sensor automatically dims the display to conserve energy.
Perfect for commercial operations, research facilities, and serious hobbyists who demand precision nutrient management and consistent crop quality.
Complete Specifications
| Specification |
Detail |
| Model |
HI981420-01 |
| pH Range |
0.00 to 14.00 pH |
| pH Resolution |
0.01 pH |
| pH Accuracy (@25°C) |
±0.05 pH |
| EC Range |
0.00 to 10.00 mS/cm |
| EC Resolution |
0.01 mS/cm |
| EC Accuracy (@25°C) |
±0.1 mS/cm (0-5 mS/cm); ±0.2 mS/cm (5-10 mS/cm) |
| TDS Range |
0-5000 ppm (0.5 CF); 0-7000 ppm (0.7 CF) |
| TDS Resolution |
10 ppm |
| TDS Accuracy (@25°C) |
±2% F.S. |
| Temperature Range |
0.0 to 60.0°C / 32.0 to 140.0°F |
| Temperature Resolution |
0.1°C / 0.1°F |
| Temperature Accuracy |
±0.5°C / ±1°F |
| Calibration |
pH: 1 or 2-point (4.01, 7.01, 10.01) or Quick Cal; EC: 1-point (1.41 or 5.00 mS/cm) or Quick Cal |
| Data Logging |
Automatic 15-minute intervals for 30 days |
| Alarms |
High/Low with enable/disable for all parameters |
| Connectivity |
USB Type-C |
| GLP |
Last 5 pH and EC calibration history |
| Power Supply |
12VDC adapter (included) |
| Operating Environment |
-5 to 50°C (23 to 122°F); RH max 95% non-condensing |
| Enclosure Rating |
IP65 |
| Dimensions |
125 x 185 x 38 mm (4.92 x 7.28 x 1.49") |
| Weight |
333g (11.7 oz) |
What's Included
HI981420-01 includes: HI1285-8 multiparameter probe, HI50036-0 Quick Cal buffer solution sachets (2), HI700661P electrode cleaning solution sachets for agriculture (2), 12VDC adapter, instruction manual, Monitor Quality Certificate, and Probe Quality Certificate.
Manufacturer: Hanna Instruments (GroLine Series)
Country of Origin: Romania
UPC: 606795356164
