features:

• This is a digital TDS meter tester to test the filter water quality purity, to check the performance of your water filter, to check for hardness (1grain=17ppm), to make sure you always drink pure water.
• Saves measurements for convenient reading and recording New Arrival
• Auto-off function: turns off meter after 5 minutes of non-use to conserve batteries
• Automatic temperature compensation
• Shift between TDS and Conductivity
• Can be used in: Water purifiers and filters, food(vegetable, fruit)&drink quality monitoring, pools, and spas, aquarium, hydroponics.

Specification:

• Conductivity: 09990Ous/cm
• TDS: 0-9990ppm
• Degrees Celsius: 0.1-80.0C
• Degrees Fahrenheit: 32.0-176.0F
• Accuracy: 2%
• Size: about 15.2cm*3cm*1.4cm/5.98″*1.18″*0.55″
• This product requires a 3V CR2032 button battery(battery is included)
• Item Material: Plastic Shell
• Case Material: Synthetic Leather
• Color: White