Hanna Instruments HI 98129 pH, Conductivity, Tds, Temp Tester

The HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS readings are automatically compensated for the effects of temperature (ATC). This technologically advanced tester has a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC/TDS graphite electrode that resists contamination by salts and other substances.

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This gives these meters a greatly extended life. Your tester no longer needs to be thrown away when the pH sensor is exhausted. The EC/TDS conversion factor is user selectable as is the temperature compensation coefficient (ß). Fast, efficient, accurate and portable, the Combo pH, EC/TDS and temperature tester brings you all the features you've asked for and more!Range pH 0.00 to 14.00 pH Range EC 0 to 3999 µS/cm Range TDS 0 to 2000 ppm Range Temperature 0.0 to 60.0°C / 32 to 140.0°F Resolution pH 0.01 pH Resolution EC 1 µS/cm Resolution TDS 1 ppm Resolution Temperature 0.1°C / 0.1°F Accuracy pH ±0.05 pH Accuracy EC/TDS ±2% F.S. Accuracy Temperature ±0.5°C / ±1°F Temperature Compensation pH: automatic; EC/TDS: automatic with ß adjustable from 0.0 to 2.4% / °C