TDS-3: Handheld TDS Meter with Carrying Case 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).


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