$240.34

Lab Conductivity Meter with Conductivity Solution Min Resolution Ratio 0.01μS/cm

$271.11

Testo 205 PH Meter Tester measuring instrument probe head for food 0563 2051

$1015

1pcs Mettler Toledo 51344110 InLab 738-ISM Conductive electrode

$980

Bromide Ion Meter Digital Br Ion Meter with Standard Liquid 0.4~81000ppm

$90

CYBERSCAN WATERPROOF EUTECH INSTRUMENTS PH/MV/C METER PH 300 Series

$194.51

Benchtop Lab pH Meter mV Tester PHS Digital Acidity Meter Instrument 0-14.00pH

$156.26

On-line PH Meter Digital Industrial pH Controller Meter with 0–14pH Audio Alarm

$134.6

NEW PH Controller 220V ORP Meter Monitor Digital Alarm PH Controller Industrial

$206.61

Industrial Online PH Meter PH Controller ORP Sensor Electrode Probe Tester Conti

$24.73

PH/ORP/EC/TEMP/SALT/S.G/TDS 7 in1 LCD Digital Backlit Water Quality Tester Meter

$24.74

Digital LCD PH/ORP/EC/TEMP/SALT/S.G/TDS Water Quality Tester Meter Detector USA

$284.02

NEW Prominent PH electrode PHER-112-SE