$506.81

WTW hydrofluoric acid resistant PH electrode SenTix HF S8 285097465

$137.25

NEW CCT-3320V Conductivity Water Quality Testing Instrument Set

$58.95

CM-230 Industrial Online Conductivity tester monitor Automatic ranging zeroing Y

$450

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

$148.11

TDS Tester Pure Water Analyzer Temp Meter 0.5 to 100.0ppm for Drinking Water

$980

Ca Ion Meter Calcium Ion Meter with Standard Liquid Accuracy ±1% F.S. 0.1/1mV

$292

HANNA instruments HI 2211 pH ORP meter without probe PN HI2211

$980

Benchtop Ammonium Ion Meter NH4 Ion Meter with Standard Solution 0.9~9000ppm

$340

Digital Conductivity Meter with Conductivity Solution Range 0.00μS/cm～100mS/cm

$1150

1pcs Mettler Toledo ORP electrode Pt4805-DPA-SC-S8/120 59904203

$310

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

$5.14

3-in-1 EC/TDS/Temp Meter - High Accuracy Pool & Drinking Water Tester