Hanna Combo 3-in-1 – HI98129

Hanna HI98129 Combo 3-in-1 pH, EC & TDS TesterCheck pH, electrical conductivity (EC) and total dissolved solids (TDS) with one compact pocket tester. The Hanna HI98129 is the low-range Combo model and also measures temperature, making it a practical choice for routine solution testing in laboratories and educational settings.Key features Three core measurements in one instrument: pH, conductivity and TDS, plus temperature. Waterproof, floating design for convenient handheld testing. Easy-to-read LCD display. Automatic temperature compensation for pH, EC and TDS readings. Replaceable HI73127 pH electrode. Automatic one- or two-point pH calibration. Selectable EC-to-TDS conversion factor from 0.45 to 1.00. Automatic shut-off after eight minutes of inactivity. Technical specifications Model: HI98129 Brand: Hanna - USA pH range: 0.00–14.00 pH pH resolution: 0.01 pH pH accuracy at 25°C: ±0.05 pH Conductivity range: 0–3999 µS/cm Conductivity resolution: 1 µS/cm TDS range: 0–2000 ppm (mg/L) TDS resolution: 1 ppm (mg/L) EC and TDS accuracy: ±2% of full scale Temperature range: -5.0–60.0°C Temperature resolution: 0.1°C Temperature accuracy: ±0.5°C Power: four 1.5 V batteries; approximately 100 hours of continuous use Instrument dimensions: 163 × 40 × 26 mm Model selection: HI98129 is the low-range model. Choose a meter with a suitable higher range when testing solutions above 3999 µS/cm or 2000 ppm.