$291.53

Benchtop PH Meter with PH Buffer Powder mVRange -1800~1800 0.02 Instrument Level

$2050

1pcs E+H Truebungs Sensor cus51d-aac1a2

$310

Lab PH Meter with PH Buffer Powder Range -1800～1800mV 0.02 Instrument Level

$730

1pcs InPro3100/120/PT1000 52000658 pH electrode

$583.54

Benchtop Water Quality Meter for pH ORP Conductivity TDS Salinity Resistivity

$713.98

Multiparameter Lab Conductivity TDS Salinity DO Tester Water Quality Analyzer

$900

1pcs Mettler Toledo 405-60-SC-P-PA-K19/120/3m 59904724 Electrode

$440

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

$310

Laboratory pH Meter with pH Buffer Powder mV -1800～1800mv 2-point Calibration

$450

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

$240.34

Lab Conductivity Tester with Manual Temp Compensation Conductivity Solutions

$210

PH Meter Industrial pH Controller Meter with Range 0-14pH Accuracy ±0.02pH