Item Name: TDS-3 Meter Temp PPM Digital LCD Tester Tap Water Quality Ne Purity Filter V3R7. description:
100% brand new and high quality
This item can be used for water purifiers and filters, food (vegetables, fruits) and beverage quality monitoring, swimming pools, spas, aquariums and hydroponics
Hold function: save the measurement for easy reading and recording
Automatic function: turn off the meter after 10 minutes of non-use to save battery
Dual range: the measurement range is 0-999 ppm, and the resolution is 1 ppm. From 1,000 to 9,900 ppm with a resolution of 10 ppm
Accuracy +/- 2%
Battery: 2 x 1.5V button batteries
Item size: about 155mm x 28mm x 15mm
Weight: about 70 grams
How to calibrate a TDS meter:
1. Press and hold the temperature key in the water for 3 seconds, and release it when the screen font flashes.
2. Press the temperature as "+" and keep it as "-".
3. Adjust the value.
4. Press the temperature key for 3 seconds. When the screen font does not flicker, the calibration ends.
caution:
Do not drop the entire TDS meter into the water or immerse it in the maximum immersion height (approximately 2 inches-please refer to the manual for more information). The machine is not waterproof, if water enters the machine, it will damage the machine.