Numb Tds-2b Meter Er Digital Lcd Measuring Pen Ness Mineral Impurity Content In

Unique Temperature Compensation Function: Can automatically convert the TDS value at 25 water temperatureTDS Value: Represents the total content of water-soluble substances, for example: calcium, magnesium ions and some trace elements etc.Large LCD display, waterproof design, easy to watch TDS value(can not test PH or certain value of dissolved substance in solution )More Accurate and Fast: Titanium alloy test probe, the measurement value is not affected by the magnetic field in the water, the measurement value is more accurate Energy Saving and Durable: Long using time without frequent battery replacement, normal use for two years(1.5V*2 button battery)