HI98129 and HI98130 are waterproof testers that offer high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. These floating, waterproof combination testers have an easy to read, LCD and an automatic shut-off. pH and EC/TDS readings are automatically temperature-compensated.
These testers feature a replaceable pH electrode cartridge with an extendable cloth junction ,as well as an EC/TDS graphite electrode. The extendable cloth junction provides an extended electrode life and the replaceable pH cartridge means that this tester does not need to be thrown away when the pH sensor is exhausted.
The EC/TDS conversion factor is user-selectable as well as the temperature compensation coefficient (β).
Fast, efficient, accurate and portable, the Combo pH, EC/TDS and temperature tester combines all the features users have requested and more!
- Waterproof and designed to float
- Automatic Temperature Compensation
- HOLD button to freeze readings on the display
- BEPS Alerts the user of low battery power that could adversely affect readings
Parameter Conductivity, pH, TDS
pH Range -2.00 to 16.00 pH pH Resolution 0.01 pH pH Accuracy ±0.05 pH Conductivity Range 0.00 to 20.00 mS/cm Conductivity Resolution 0.01 mS/cm Conductivity Accuracy ±2% F.S. TDS Range 0.00 to 10.00 g/L (ppt) TDS Resolution 0.01 g/L (ppt) TDS Accuracy ±2% F.S. Temperature Range 0.0 to 60.0°C / 32.0 to 140.0°F Temperature Resolution 0.1°C / 0.1°F Temperature Accuracy ±0.5°C /±1°F EC/TDS Calibration automatic, one point at 12.88 mS/cm or 6.44 g/L (ppt) pH Calibration automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) Temperature Compensation pH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4% / °C TDS Conversion Factor 0.45 to 1.00 pH Electrode HI73127 (replaceable; included) Battery Type / Life 1.5V (4) / approx. 100 hours of continuous use, auto-off after 8 minutes of non-use Environment 0 to 50°C (32 to 122°F); RH max 100% Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’) Weight 100 g (3.5 oz.) Ordering Information HI98129 (Combo) and HI98130 (Combo) are supplied with HI73127 pH electrode and HI73128 electrode removal tool, batteries and instructions.