$619.27

OHAUS ST300 Starter 300 Portable pH Meter with 0.00 - 212 F Range

$149.99

Endress + Hauser 71029928 Ventilation Hose Kit 1.5m, CPC310

$187

New Mettler Toledo InPro 3253i SG/225 Digital ISM pH & ORP Tmperature Sensor

$75

PH Meter Portable IQ Scientific Instrument IQ240 w/ PH66 Stainless Probe

$150

New Orion Ross combination electrode 8103

$8.99

SPER SCIENTIFIC 840032 Broad Range Lux/FC Light Meter

$87.82

201T-F All-in-one pH Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI13

$139.95

Nalco pH/mV/°C Probe 500-R1340.88, -2 to 16 pH, for Meter 400-C0060.88

$520

Mettler Toledo pH Sensor InPro3250i/SG/120 52005373 Brand New Sealed!

$144

Fischer 600-377, 101.0 IACS%, 60kHz, 58.60MS/m Conductivity Block

$112.04

Oakton / Environmental Express PH300 pH Sensor Head 35660-88 - Used - Laboratory

$49

VTG CHEMetrics System 1000, Dissolved Oxygen T-7513, A-1051, free sh