HI98129 COMBO Tester for pH/EC/TDS/C° up to 3999 µS, waterproof

HI 98130 simultaneously measures pH, conductivity, TDS and temperature. It is easy to use, fast and accurate, and is therefore ideally suited for routine measurements. With replaceable pH electrode.

• Dual display of pH or conductivity / TDS and temperature
• Easily replaceable pH electrode
• Rugged graphite conductivity probe
• Automatic calibration and temperature compensation
• Selectable TDS factor and temperature coefficient
• Stability indicator of safe values
• HOLD function to freeze a reading in the display
• Battery charge indicator and automatic shut-off

Ordering Information : incl tester pH electrode, electrode replacement tool and batteries.

  Manual: Download

Specification :

Range pH 0.00 to 14.00 pH 

Range EC 0 to 3,999 uS/cm 

Range TDS 0 to 2,000 mg/L (ppm) 

Range Temperature 0.0 to 60.0°C 

Resolution pH 0.01 

Resolution EC 0.01 uS/cm 

Resolution TDS 1 mg/L

Resolution Temperature 0.1°C 

Accuracy pH ±0.05 pH

Accuracy EC/TDS ±2% of Measurement Range

Accuracy Temmperature ±0.5°C PH

Calibration Automatic, 2-point, stored with 2 buffers Calibration EC / TDS automatic, 1 point (1,413 uS / cm or 1,382ppm)

Temperature Compensation pH: automatic; EC / TDS: automatic with β selectable from 0.0 to 2.4% / ° C

Selectable TDS factor from 0.45 to 1.00 HI 73127 pH electrode (included) Power supply 4 x 1.5V / approx 100 hours

Automatic shut-off after 8 min measurement interval

Dimensions 163 x 40 x 26 mm Weight 85 g