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pH ORP Water portable meter

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pH orp water portable meter
•pH Calibration Check™ •Electrode condition on display •Five point pH calibr..
 
Portable pH/pH-mV/ORP and Temperature Meter
HI 991003 Portable pH/pH-mV/ORP and Temperature Meter • pH Sensor Check™; Allows users..
 
Portable pH/ORP Meter with Calibration Check
Portable pH/ORP Meter with Calibration Check • pH Calibration Check™ • Five point..
 

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