Portable Multi-Parameter Meter Kit (pH/Conductivity/TDS/Temp.)

Apera Instruments WS200 Fluoride/pH/Conductivity 7-in-1 Portable Meter Kit

Apera Instruments PC 823-B Portable pH/EC/TDS/Temp Meter

Apera Instruments Value Series PH850-WW Portable pH Meter Kit Wastewater AI5531

Thermo Scientific Orion Star A329 Portable pH/ISE/Conductivity Meter

Apera Instruments EC700 Benchtop Lab pH Conductivity/Temperature Meter

Ohaus ST300 Starter 300 Portable Water Conductivity / TDS Meter

✅Apera Instruments PC850 Portable Handheld pH/Conductivity Multi-Parameter Meter