$647.99

Oakton 3561365 Ph Meter, Lcd, Aa Batteries

$91.7

SARK100 Portable Antenna Analyzer Meter User-Friendly Operation With High RLFL

$120.99

Thermo electron orion 105a+ conductivity meter

$59

Oakton by Cole-Parmer Self Cleaning PH Elecrode, CPVC,27003-00, Expired

$400

1pcs Mettler Toledo 51350104 25ML

$445

1pcs Mettler Toledo InPro3100i/SG/120 52003515 PH Electrode

$54.99

THERMO ELECTRON CORP ORION 720A+ ISE/pH/mV/ORP

$999.99

Emerson Rosemount 3900-02-10 General Purpose pH Sensor 5m Cable 0-14 pH NEW

$438

1pc NEW Hanna multi-parameter pH/ conductivity /TDS tester HI98129

$79

THERMO Orion 131S Basic Waterproof Conductivity Meter, FOR PARTS/ REPAIR

$175

Follett 01053503 METER, TDS PENTAIR EV650020

$55

Hach Ammonia Test Kit