This is a digital TDS meter tester, for test the filter water quality purity, check the performance of your water filter, check for hardness (1grain 17ppm), make sure you always drink pure water
This item can be used in water purifiers and filters, food (vegetable, fruits) drink quality monitoring, pools, spa's, aquariums and hydroponics
Taking Temperature Measurements 1. Once the meter is on, the temperature function can be used at any time, in or out of liquid. 2. Press the TEMP button. The display will switch to temperature (in Celsius only). 3. To return to TDS mode, press the TEMP button.
Precautions 1. The meter is not water-tight. Do not dip the meter beyond the water level limit. 2. Do not store the meter in high temperatures or direct sunlight. 3. Do not attempt to open the housing or tinker with the electronics of the unit.