HI98121 COMBO pH/ORP/°C-Tester, waterproof

HI 98121 measures pH simultaneously with 0.01 resolution , ORP and temperature. It is easy to use , fast and accurate , and is therefore ideally suited for routine measurements . With replaceable pH / ORP electrode.

Note: This tester (ORP parameter) is not recommended for testing anti-oxidant drinking water.  Please call us for more information.

• Dual display of pH or ORP & Temperature
• Resolution of 0.01 pH
• Easily replaceable pH electrode
• Automatic calibration and temperature compensation of pH
• Stability indicator of safe values
• HOLD function to freeze a reading in the display
• Battery indicator and automatic shut-off

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

  Manual: Download

Specification :

ORP measurement range ± 1000 mV
Range pH -2.00 to 16.00 pH
Temperature measuring range from -5.0 to 60.0 ° C
Resolution redox 1 mV
pH Resolution 0.01 pH
Temperature resolution 0.1 ° C
Accuracy Redox ± 2 mV
Accuracy pH ± 0.05 pH
Temperature accuracy ± 0.5 ° C
PH Calibration Automatic, 2-point, stored with 2 buffer
Automatic temperature compensation (at pH)
HI 73120 electrode and redox sensor (included)
Batteries 4 x 1.5V / approx 300 hours / shutdown
Dimensions 163 x 40 x 26 mm Weight 100 g