This is a Blue TDS and EC Digital LCD Meter Conductivity Tester. Ideal for all water quality testing, water purification applications, wastewater regulation, aquaculture, hydroponics, laboratory and scientific testing, pools & spas, ecology testing, colloidal silver, water treatment, and more.

Features:

Exact Range : The Test Range of Digital Tester Pen, TDS: 0-9999ppm (accuracy ± 2% F.S); conductivity: 0-9999us / cm; Celsius: 0.1-80.0 °C (accuracy ± 0.1 °C); Fahrenheit: 32.0-176.0 °F.
Backlight Function : With the Backlight Function. The Upgrade Version TDS Tester backlight will change the color going by the concentration of the liquid, It’s an indicator to judge the water quality whether can be directly drunk or not. And also Convenient to test and use in the dark and dim.
Auto Power Off and Hold Function : When you press the “HOLD” button in the Water Tester Pen, you can read and record values. The Water Quality Meter will shutdown automatically after 2 minutes, you don’t have to take another operation so that the battery will not run out.
4 Display Mode : This Water Purity Meter based in TDS – ppm & °C, EC – µs/cm & °C, TDS – ppm & °F, EC – µs/cm & °F.(Press SHIFT button to convert)
Wide Applications : Digital Water Tester can be used in water treatment industry, drinking water industry, family, personal travel, field operations, etc.

Specifications:

Name:	Digital TDS Meter Tester
Color	Blue
Conductivity	0-9990us/cm
TDS	0-9990ppm
Degrees Celsius	0.1-80.0℃
Fahrenheit	32.0-176.0 °F
Accuracy	+/-2%
Length (mm)	155
Width (mm)	30
Height (mm)	15
Weight (gm)	65