Pocket Conductivity - TDS Meter is available with a Battery Life that ranges Over 1000 hrs. CD Hightech Pvt. Ltd offers Pocket Conductivity - TDS Meter. CD Hightech Pvt. Ltd also supplies a wide range of Clinical Dosimeter, Xrossline Laser and Brachytherapy Calibrator. Pocket Conductivity - TDS Meter has ±2% accuracy. The Operating Temperature of this Meter ranges from 0-50°C. It has a battery of 4 X 1.4V Button Cell.