$4500

^ Thermo Scientific Orion Star T910 Series Titrator & Probes #X6712

$365

Digital Conductivity Meter with Conductivity Solution TDS Resolution 0.01mg/L

$440

Lab Conductivity Meter with Conductivity Solution TDS Test Auto Temp Compensate

$210

Online PH Controller Meter with Range 0–14pH Accuracy ±0.02pH Resolution 0.01pH

$170.95

Milwaukee Instruments MP810 Dosing Pump for pH Controllers for USA 110V

$499.08

Industrial Online Conductivity Controller Temperature Meter TDS Meter Tester

$348.13

Lab Multiparameter PH Meter Digital Temperature Tester Water Quality Monitor

$365

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

$200

Hanna Instruments pH211 Microprocessor pH Meter, CH#47

$16.33

Professional PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester

$120.95

VWR SB90M5 SYMPHONY PH METER

$75

HM Digital COM-100 Waterproof Professional Series EC/TDS/Temp Meter EC TDS Test