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With its rugged design and build, the TDS-3 is an ideal meter that can be used for many applications. Ranging from water purification to hydroponics to industrial wastewater treatment. It comes with a black vinyl carrying case, protecting it when carried in a toolbox etc.
 
Features:
Hold Function
Auto-off Function (After 10 min.)
Built-in digital thermometer
Includes a carrying case with a belt clip
Factory Calibrated with a 342 ppm NaCl solution. (Meter can be recalibrated with a mini-screwdriver).
 
Specification:
TDS Range: 0 – 9990 ppm (mg/L)
Temp. Range: 0 – 80 degrees Celsius
Resolution at 0-999 scale is 1 ppm
Resolution at 1000-9990: scale is 10 ppm (indicated by a ‘x10’ icon)
Temperature Resolution: 0.1 degree Celsius
Accuracy: +/- 2%
EC-to-TDS Conversion Factor: NaCl (avg. 0.5)
ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius
Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
Battery life: 1000 hours of usage
Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)
Weight with case: 76.5g (2.7 oz)
Weight without case: 56.7g (2 oz)