The TDS meter tester can be used in: water purifiers and filters, food (vegetable,fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics etc.
Hold function: Saves measurements for convenient reading and recording.
Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries.
Press "TEMP" button can shift temperature meter between fahrenheit degree and centigrade degree.
