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Range
+ pH: 0.00 to 14.00 pH
+ EC: 0 to 3999 µS/cm
+ TDS: 0 to 2000 ppm
+ Temperature: 0.0 to 60.0°C / 32 to 140.0°F
Resolution
+ pH: 0.01 pH
+ EC: 1 µS/cm
+ TDS: 1 ppm
+ Temperature: 0.1°C / 0.1°F
Accuracy
+ pH: ±0.05 pH
+ EC/TDS: ±2% F.S.
+ Temperature: ±0.5°C / ±1°F
Temperature Compensation: pH: automatic; EC/TDS: automatic with ß adjustable from 0.0 to 2.4% / °C
Calibration
+ pH: automatic, 1 or 2 points with 2 sets of memorized buffers
(pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18)
+ EC/TDS: automatic, one point at 1413 µS/cm or1382 mg/L (ppm)
TDS Conversion Factor: 0.45 to 1.00
pH Electrode: HI 73127 (replaceable; included)
Environment: 0 to 50°C (32 to 122°F); RH max 100%
Battery Type / Life: 1.5V (4) / approximately 100 hours of continuous use, auto-off after 8 minutes of non-use
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) is supplied with HI73127 pH electrode and HI73128 electrode removal tool, batteries and instructions.
