$187.19

Portable Dissolved Oxygen Meter DO Tester with Replaceable Probe ATC 0-20mg/L Wa

$180.3

Benchtop Digital Lab Acidity pH mV Meter Tester with Range 0-14.00pH 0-±1999mV

$218.91

OAKTON 00702-75 / 0070275 (USED)

$965.66

Copper Ion Meter Cu Ion Meter with Standard Solution Range 0.006~64000 ppm

$322.91

Benchtop Conductivity TDS Meter Temperature Tester Water Quality Analyzer

$809

Laboratory Water Testing Instrument Benchtop Chloride Ion Meter Cl Ion Tester

$160.76

Digital Lab pH Meter Portable pH mV Temperature Tester with 0---14.00pH ±1600 mV

$1158.79

Benchtop Nitrate Ion Meter with Standard Liquid 0.4~62000ppm Accuracy 0.1/1mV

$85.6

Online Conductivity Tester Cond Meter Water Quality Monitor with Adapter

$189.31

Benchtop Digital Lab Acidity pH mV Meter Tester with Range 0-14.00pH 0-±1999mV

$190.29

Benchtop Digital Lab Acidity pH mV Meter Tester with Range 0-14.00pH 0-±1999mV

$465.23

Conductivity Meter Tester Temp TDS Tester Meter with 10.00 µS/cm ~ 20.00 mS/cm