The HI981420 GroLine Monitor for Hydroponic Nutrients provides around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydroponic nutrient solutions. Quick to setup, simple to use, this monitor was designed with Hydroponics, Aquaponics, and Greenhouses in mind. Make your nutrient solution easy to manage with the GroLine Monitor.
- Get 24/7 pH&EC measurements for consistent yields every time.
- Good Laboratory Practice (GLP) feature for professional accuracy.
- Calibrate pH and EC with a single Quick Cal solution.
| Specifications | Description |
|---|---|
| SKU | HI981420-01 |
| pH Range | 0.00 to 14.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy (@25°C/77°F) | ±0.05 pH |
| Temperature Range | 0.0 to 60.0°C / 32.0 to 140.0°F |
| Temperature Resolution | 0.1°C / 0.1°F |
| Temperature Accuracy (@25°C/77°F) | ±0.5°C /±1°F |
| EC Range | 0.00 to 10.00 mS/cm |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy (@25°C/77°F) | ±0.1mS/cm (0.00 to 5.00mS/cm); ±0.2mS/cm (5.00 to 10.00mS/cm) |
| TDS Range | 0 to 5000 ppm (TDS conversion factor 0.5 (500 CF)); 0 to 7000 ppm (TDS conversion factor 0.7 (700 CF)) |
| TDS Resolution | 10 ppm |
| TDS Accuracy (@25°C/77°F) | ±2% F.S. |
| Temperature Compensation | pH: automatic (0.0 to 60.0ºC/ 32.0 to 140.0°); EC: automatic with β set at 1.9%/°C |
| Calibration | pH calibration at one or two-point calibration (using pH 4.01,7.01, 10.01 buffers) using auto buffer recognition; one-point calibration using quick calibration solution; EC calibration at one-point at 1.41 mS/cm or 5.00 mS/cm using auto standard recognition; one-point calibration using quick calibration solution |
| Log Feature | Automatic logging for last 30 days at 15 minute interval |
| Alarms | High and Low with enable/disable option for all parameters |
| Connectivity | USB Type-C |
| GLP | Good Laboratory Practice with last 5 pH and EC calibration history |
| Power Supply | 12VDC adapter (included) |
| Environment | -5 to 50°C (23 to 122°F); RH max 95% non-condensing |
| Dimensions | 125 x 185 x 38 mm (4.92 x 7.28 x 1.49”) |
| Weight | 333g ( 11.7oz.) |
| Ordering Information | HI981420 is supplied with: HI1285-8 multiparameter probe, HI50036-0 Quick Cal buffer solution sachet (2), HI700661P Electrode cleaning solution sachets for agriculture (2), 12VDC adapter, instruction manual, Monitor Quality Certificate, & Probe Quality Certificate. |
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