$72.15

3-in-1 PH Meter Conductivity Meter for PH + Conductivity + Temperature CT-6322

$249.83

Benchtop Lab Conductivity Meter Tester Laboratory Water Quality Monitor

$1050

1pcs METTLER TOLEDO DG111-SC 89596

$1090

Digital Multi-parameter Water Quality Analyzer with Solution 0.00~20.00mg/L

$151.68

THERMO FISHER SCIENTIFIC AR15 / AR15 (USED)

$1450

1pcs 742-ISM 51344116 Conductivity Electrodes

$130

LOVIBOND SD-50 HAND-HOLD PH WATER TESTING TENTOMETE FOR LOVIBOND MAKE 0221/37541

$13.44

4-in1 PH Meter pH/TDS/EC/Temperature High-precision Water Quality Test Detector

$559.13

GEORG FISCHER SIGNET 3-9030.121 / 39030121 (NEW NO BOX)

$500

1pcs CPS11D-7BA21 Endress+Hauser Electrode CPS11D7BA21

$14.25

PH/EC/TDS/TEMP Digital Water Quality/Temperature Detection Tester Pen Series

$230

WTW Inolab pH 740 Meter