Measure Temperature and pH Levels Measure your pH & temperature with one tool - grab this meter. It’s easy to use, it comes fully calibrated with batteries included. There's a low battery indicator and automatic temperature compensation to ensure your pH reading is always spot on. It’s built to last, thanks to the waterproof, robust housing and replaceable electrode. Measures temperature & pH Comes fully-calibrated Batteries included Long-lasting with replaceable electrode Automatic temperature compensation Auto power off after 8 minutes Tech Spec Range: pH: 0.0 ~ 14.0 pH, Temp.: 0°C ~ 50°C (32°F ~ 122°F)Resolution: pH: ± 0.1 pH, Temp.: 0.1 ºC (1.0 ºF)Accuracy: pH: ± 0.1 pH, Temp.: ±0.5°C (32°F), Temp. compensation: 0°C - 50°C (32°F - 122°F)Calibration: pH: 2 point auto 4.0 - 7.0 pHFeatures: Battery indicator & automatic temp. compensationPower supply: 3 × 1.5 Volt AG-13 button cell battery (included)Auto. power-off: After 8 minutesCalibration indicator: With correct calibrationWaterproof: IP67Dimensions: 220 x 40 x 40 mmWeight: 102 grams