Extech EC500 Waterproof ExStik® II pH/Conductivity Meter

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The EC500 is Conductivity/TDS/Temperature Meter. Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode. Analog bargraph indicates trends. Memory stores up to 25 labeled readings. Waterproof meter with high-accuracy multi-ranging sensor. Features Auto Power off with disable. Complete with meter and electrode, protective cap, sample cup, four 3V CR-2032 batteries, and 48\" (1.2m) neckstrap.
GeneralConductivity0 to 199µS/cm, 200 to 1999µS/cm, 2.00 to 19.99mS/cmConductivity Basic Accuracy±2% full scaleConductivity Max Resolution0.1µS/cmMemory25 datasetspH0.00 to 14.00pHpH Basic Accuracy±0.01pHpH Max Resolution0.01pHTDS0 to 99.9ppm (mg/L), 100 to 999ppm (mg/L), 1.00 to 9.99pptTDS Basic Accuracy±2% full scaleTDS Max Resolution0.1ppm (mg/L)Temperature (Contact)23° to 194°F (-5 to 90°C)Temperature (Contact) Basic Accuracy±1.8°F/1°CTemperature (Contact) Max Resolution0.1°F/°C