0-9990ppm HM-TDS Meter, +-2%, Model Name/Number: Tds -3

Features Ideal for commercial use. Includes a carrying case with belt clip.Highly efficient and accurate due to its advanced microprocessor technology.Hold Function: saves measurements for convenient reading and recording.Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image.Built-in digital thermometerDisplay: large and easy-to-read LCD screen.Also available in "x10" mode: reads in increments only of 10 ppm (0-9990 ppm) Specifications TDS Range: 0 - 9990 ppm (mg/L)Temp. Range: 0 - 80 degrees CelsiusResolution: 0-999: 1 ppm; 1000-9990: 10 ppm (indicated by a 'x10' icon)Temperature Resolution: 0.1 degree Celsius (Celsius only)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 (33 to 122 degrees Fahrenheit)Power source: 2 x 1.5V button cell batteries (included) (LR44 or equivalent)Battery life: 1000 hours of usageDimensions: 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)