$1200

1pcs Mettler Toledo Conductivity sensor electrode 51344024 InLab741

$115

Extech ExStik PH100 Waterproof pH Meter FAST SHIP

$960

1pcs InPro3251i/SG/120 52003693 PH electrode

$625.13

Benchtop Water Quality Meter for pH ORP Conductivity TDS Salinity Resistivity

$240.34

Laboratory Conductivity Meter with Conductivity Solutions 0.00μS/cm～100mS/cm

$706.75

Multiparameter Lab Conductivity TDS Salinity DO Tester Water Quality Analyzer

$80

COLE PARMER MICROCOMPUTER PH-VISION MODEL 05669-20 PH METER

$244.14

Digital PH Meter with PH Buffer Powder 2 Ponit Calibration E-201-C Electrode

$494.04

Conductivity Meter Tester Temp TDS Tester with TDS 0-1000 ppm, max. 20.00 ppt

$291.53

Benchtop PH Meter for Acidity with PH Powders mV Range -1800～1800mv Error ±0.1%

$440

Benchtop Conductivity Meter with Conductivity Solution TDS Range 0.00mg/L～100g/L

$514.2

Conductivity Meter Tester Temp TDS Meter Tester with 0 ~ 50 ppm max. 100.0 ppm