Extech PH100 - ExStik pH Meter
Built-in smart chip offers advanced functions and features to a stick style pH meter not found anywhere else

Extech PH110 - Refillable ExStik pH Meter
Unique pH stick meter with rugged refillable flat surface pH electrode

Extech CL200 - ExStik Chlorine Meter
Direct reading of Total Chlorine down to 0.01ppm and is unaffected by color or Turbidity of the sample

Extech RE300 - ExStik ORP Meter
First ORP stick style meter with rugged flat surface OPR electrode, high resolution of 1mV

Extech EC400 - ExStik Conductivity/TDS/Salinity Meter
One high accuracy multi-range sensor measures four parameters (Conductivity, TDS, Salinity, and Temperature)

Extech EC410 - ExStik Conductivity/TDS/Salinity Kit
Waterproof meter with one high accuracy multi-range sensor that measures four parameters                                      

Extech EC510 - ExStik pH/Conductivity/TDS/Salinity Kit
Waterproof meter with one high accuracy multi-range sensor that measures five parameters    

Extech EX800 - ExStik 3-in-1 Kit Chlorine, pH, Temp
Complete kit allows you to measure Chlorine, pH, and Temperature with all the necessary accessories for your applications

Extech EX900 - ExStik 4-in-1 Chlorine, pH, ORP, Temp
Complete kit allows you to measure Chlorine, pH, ORP, and Temperature with all the necessary accessories for your applications