The EC, PPM, TDS, Temp meter E60 Pro, suitable for many industries, is the ideal digital pen meter for measuring the EC, PPM, TDS, and temperature of a variety of liquids. The high-quality and user-friendly meter is extremely accurate and fits perfectly in your hand with a rubber ergonomic back and a cord to keep the cap secure. Additionally, it has a 1-point auto calibration feature which makes it easy to calibrate. Moreover, the meter is IP67 waterproof and can even float, so you won't have to worry about losing it. The E60 Pro comes with batteries and it has a replaceable electrode to extend the lifetime of the pen meter. Specifications Range EC: 0 ~19.9 mS/cm (0 ~ 19999 μS/cm) TDS: 0 ~ 19.99 PPT / PPM: 0 ~ 1999 PPM Temperature: 0°C ~50°C (32°F ~ 122°F) Resolution EC: 0.1mS/cm, 1 μS/cm (1999 μS/cm) TDS: 0.01 PPT / PPM: 1 PPM Temperature: 0.1°C Accuracy EC: ± 2% F.S. TDS: ± 2% F.S. /PPM ± 2% F.S. Temp: ±0 .5°C Temp. compensation: 0°C - 50°C (32°F - 122°F) Calibration: EC: 1 point auto mS/cm 1.4 EC (μS/cm 1413 EC) Features: Battery indicator & automatic temp. compensation Power supply: 3 × 1.5 Volt AG-13 button cell battery (included) Auto. Power-off: After 8 minutes Calibration indicator: With correct calibration Waterproof: IP67 Dimensions: 220 x 40 x 40 mm Weight: 102 grams Warranty This device is warranted against defects in materials and workmanship for a period of one year. The electrode is warranted for six months. Conditions Apply.