TDS Patea, High Accuracy Digital Meter for Water, Portable TDS Tester Meter

Model Number: SE-TT-02 Key Specifications/Special Features: Feature:Economy model that is ideal for end-users. 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. Display: large and easy-to-read LCD screen.Measurement range: 0-9990ppm. From 0-999ppm, the resolution is in increments of 1ppm. From 1000 to 9990ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Fun, translucent blue housing that's very strong and durable.TDS-EZ meters are calibrated with a 342ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Includes a TDS chart sticker on the back of the meter that explains TDS values.Specification:Range: 0 - 9990ppm (mg/L)Resolution: 0-999: 1ppm; 1000-9990: 10ppm (indicated by a 'x10' icon)Accuracy: +/- 3%EC-to-TDS conversion factor: NaCl (avg. 0.5)Power source: 2 x 1.5V button cell batteries (not included) (LR44 or equivalent)Battery lifespan: approx 1000 hours of usage
Dimensions: 15.5 x 3.1 x 2.3cm (6.1 x 1.25 x 1 inches)
Meter weight: 56.7g (2 oz)
Weight with package: 76.5g (2.7 oz)