EmSense’s T-Series pre-calibrated test pen measures TDS from 0-1999 ppm with display resolution of one ppm. Features include built-in temperature compensation for TDS measurement; 150-hour continuous measurement battery life, factory calibration at 706 ppm, 25C (77F) to provide accuracy within three percent and an auto-off function that shuts the meter off after two minutes of idle time (if the probes are not in contact with water, the shut-off time is reduced to 20 seconds). http://www.emsense.com.sg
Manufactures Name
EmSense
