GroLine Waterproof EC/TDS Tester - HI98318

SKU: HI98318


groline hydroponics ph ec ppm meter

The HI98318 GroLine Waterproof EC/TDS Tester is made specifically to measure the EC/TDS of a hydroponic nutrient solution, ideal for quick, accurate conductivity measurements.

  • Graphite sensor for reduced polarization effect
  • Automatic Temperature Calibration (ATC)
  • Quick Calibration Mode using Hanna pH/EC Quick Cal Solution


Waterproof and designed to float in water

Large LCD displays stability indicator, low-battery indicator, and calibration tags

Graphite sensors that reduce polarization effects

0.5 (500 ppm) and 0.7 (700 ppm) selectable EC to TDS conversion factors

Single-point, automatic calibration using Quick Cal standard or 1.41 mS/cm 

250 hour battery life

More Information
SKU HI98318
Product Name GroLine Waterproof EC/TDS Tester - HI98318
Quote Required No
EC Range 0.00 to 6.00 mS/cm
EC Resolution 0.01 mS/cm
EC Accuracy ±2% F.S.
EC Calibration automatic,single point (1.41 mS/cm)
TDS Range 0 to 3000 ppm (0.5) CF
0 to 4000 ppm (0.7) CF
TDS Resolution 10 ppm
TDS Accuracy ±2% F.S.
TDS Calibration through EC calibration
EC/TDS Temperature Compensation automatic, 0.0 to 50.0 ºC (32.0 to 122.0 ºF)
EC to TDS Conversion Factor selectable 0.5 or 0.7 conversion factor
Temperature Range 0.0 to 50.0 °C (32.0 to 122.0 °F)
Temperature Resolution 0.1 °C (0.1 °F)
Temperature Accuracy ±0.5 °C (±1.0 °F)
Automatic Shut-Off selectable 8 min, 60 min or disabled
Battery Type/Life CR2032 Li-Ion 3V (1 pc.) / approximately 250 hours of continuous use
Environment 0 to 50 ºC (32 to 122 ºF); RH 100% max
Weight 68 g (2.4 oz.)
Ordering Information HI98318 is supplied with Quick Cal pH and EC one point calibration solution sachet (4 pcs.), CR2032 battery (1 pc.), instruction manual, quality certificate packaged in rugged plastic carrying case.
Notes *1000 µS/cm =500 ppm with 0.5 CF
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