HM Digital TDS-3 Pen Style TDS/EC/Temp Meter

With its rugged design and build, the TDS-3 is an ideal meter (tool) that can be used for any application; Ranging from water purification, to hydroponics to industrial waste water treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox.

FEATURES:

Hold Function
Auto-off Function (After 10 min.)
Built-in digital thermometer
Includes a carrying case with belt clip
Factory Calibrated with a 342 ppm NaCl solution. (Meter can be recalibrated with a mini-screwdriver).