The HI98129 makes measuring pH quick and easy! This lightweight, waterproof tester offers high accuracy pH, low range EC/TDS (0 to 3999 µS/cm EC/ 0 to 2000 ppm TDS) and temperature measurements in a single handheld unit! No more switching between meters for your routine measurements.
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 | |
Calibration – pH | automatic, 1 or 2 points with 2 sets of memorised buffers (pH 4.01 / 7.01 / 10.01 or 4.01 / 6.86 / 9.18) | |
Calibration – EC/TDS | automatic, 1 point | |
TDS Conversion Factor | adjustable from 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 | 4 x 1.5V / approx. 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.) |