Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. FEATURES 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 off meter after 10 minutes of non-use to conserve batteries. Dual Range - Measures from 0 - 999 ppm, with a resolution of 1ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking x10 image. Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Recommended for aquariums & aquaculture, horticulture & hydroponics, pools & spas and water cooler professionals. SPECIFICATIONS TDS Range: 0-9990 ppm mg/L Temp. Range: 0-80 degrees Celsius Resolution: 1 ppm, 1 degree Celsius Accuracy: +/- 2% ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius 33 to 122 degrees Farenheit Power source: 2 x 1.5V button cell batteries included Battery life: 1000 hours of usage Dimensions: 14 x 2.3 x 1.5 cm 5.5 x .9 x .55 inches Weight: 34g 1.2 oz

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty