GroLine Monitor for Hydroponic Nutrients with Inline Probe

SKU : ee1c9e2b7ba2

The HI981421 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.
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Specification NameDetail
pH Range0.00 to 14.00 pH
pH Resolution0.01 pH
pH Accuracy (@25°C/77°F)±0.05 pH
Temperature Range0.0 to 60.0°C / 32.0 to 140.0°F
Temperature Resolution0.1°C / 0.1°F
Temperature Accuracy (@25°C/77°F)±0.5°C /±1°F
EC Range0.00 to 10.00 mS/cm
EC Resolution0.01 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 Range0 to 5000 ppm (TDS conversion factor 0.5 (500 CF)); 0 to 7000 ppm (TDS conversion factor 0.7 (700 CF))
TDS Resolution10 ppm
TDS Accuracy (@25°C/77°F)±2% F.S.
Temperature CompensationpH: automatic (0.0 to 60.0ºC/ 32.0 to 140.0°); EC: automatic with ? set at 1.9%/°C
CalibrationpH 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 FeatureAutomatic logging for last 30 days at 15 minute interval
AlarmsHigh and Low with enable/disable option for all parameters
ConnectivityUSB Type-C
GLPGood Laboratory Practice with last 5 pH and EC calibration history
Power Supply12VDC adapter (included)
Environment-5 to 50°C (23 to 122°F); RH max 95% non-condensing
Dimensions125 x 185 x 38 mm (4.92 x 7.28 x 1.49”)
Weight333g ( 11.7oz.)
Ordering InformationHI981421 is supplied with HI1285-9 multiparameter probe, Quick Cal buffer solution sachets (2), HI700661 electrode cleaning solution sachets for agriculture (2), 12VDC power adapter, quality certificates and instruction manual.