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*Extech EC500 Waterproof ExStik® II pH/Conductivity Mete *
Combination rugged flat surface pH electrode with autoranging high accuracy Conductivity cell
* Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode
* 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F
* Analog bargraph indicates trends
* Memory stores up to 25 labeled readings
* Adjustable Conductivity to TDS ratio from 0.4 to 1.0; 0.5 fixed Salinity ratio
* RENEW feature alerts user when electrode needs replacement
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