$194.64

Benchtop Digital Lab Acidity pH mV Meter Tester with Range 0-14.00pH 0-±1999mV

$530.69

Industrial Online Conductivity Controller TDS Tester with 4-20mA Outputs

$161.76

Digital Lab pH Meter Portable pH mV Temperature Tester with 0---14.00pH ±1600 mV

$799

Elmacron LF 1004 / LF1004 Conductivity Meter 0-10ms

$155.89

Waterproof Cond Meter Conductivity Tester 0.1 to19.99mS/cm Temp Water Wastewater

$346.74

Benchtop Conductivity Meter with Conductivity Solution TDS Resolution 0.01mg/L

$346.74

Digital Conductivity Meter with Conductivity Solution 0.00μS/cm～200mS/cm 1 Point

$491

Portable Conductivity Meter Water Conductivity Tester Temp Meter TDS Tester

$134.1

Portable Pen Type Digital PH Meter CT-6020A with PH Electrode GOOD

$133.63

220V Acidity Meter Water Quality PH Meter Detector PHS-25 With E-201-C Electrode

$199

Knick 703 Laboratory Conductivity Meter

$363.04

WEDGEWOOD TECHNOLOGY 602B-E-M-NN / 602BEMNN (USED)