$870.00
SE
HANNA HI99171 Waterproof Portable pH Meter for leather/paper
pH/℃ -2.00~16.00pH
Designed for acidity measurement of surface, leather, paper and emulsion samples with a wide Measurement range of -2.00 to 16.00 pH and pH-mV conversion of +/- 825 mV.

$1140.00
SE
HANNA HI2202 Bluetooth pH Flat Edge Measurement Instrument -2.00~16.00pH
±1000 mV-2.00 to 16.00pH, -2.000 to 16.000pH (Standard mode only)
-2.00~16.00pH, 5.5 inch large Viewing Angle LCD screen, Bluetooth electrode, Bluetooth transmission within 10 meters, support automatic temperature compensation, can be customized special bracket.

$854.00
SE
HANNA HI99121 Waterproof portable acidity pH-temperature Tester, soil agriculture
pH/℃ -2.00~16.00pH
pH range: -2.00 to 16.00pH; pH-mV conversion: +/- 825 mV; Temperature: -5.0 to 105.0 ℃; 23.0 to 221.0 ° F, specially designed for acidity -pH measurement analysis of agricultural/landscape/soil industry samples.

If you don't know how to choose "PH Meter", please consult customer service.