Features of the TDS Meter: * Includes an internal digital thermometer (Celsius). * The smallest and lightest TDS meter available on the market. * Hold Function - Saves measurements for convenient reading and recording. * Auto-off function - Turns meter off after five minutes of non-use to conserve batteries. * Data-hold function and low-battery indicator. * Factory calibrated with a 342 ppm NaCl solution. Meters can be re-calibrated digitally by using the buttons on the meter.
Specifications of the TDS Meter * TDS Range: 0-5000 ppm (mg/L) * Temp. Range: 0-80 degrees Celsius; 32 - 176 Fahrenheit * Resolution: 1 ppm, Temp. resolution is 0.1 degree C/F * Accuracy: +/- 2% (of the reading) * Automatic Temperature Compensation: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) * Power source: 1 x 3V button cell batteries (model CR2032) * Battery life: Approximately two years * Dimensions: 15 x 2.8 x 1.3 cm (5.9 x 1.1 x .5 inches) * Weight: 42.5g (1.5 oz)