Product: TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.
Brand: KOMITASUI
Color: Grey
TDS Measurement Range: 0-9990 ppm
Color: Light Grey
Readout Accuracy: +/- 2%
Temperature range: 0-50°C
Batteries: 2 X LR44 batteries required.(included) 
Size: 6.1”*1.2”*0.9” 
Weight: 60g
Packaging: Leather bag

How to use: 
1.Take off the protective cap and press the ON/OFF switch. 
2.Immerse the meter electrode into the water until the immersion line. 
3.Gently agitate the TDS meter to remove bubbles. 
4.Waiting for the reading is stable in 5 seconds,press the hold key and check the reading. 
5.After using,dry the test pen,press ON/OFF for 3 seconds and it will shut down,then put the cap back on it. 

Temperature Test Instructions: 
1.Remove the TDS pen cover and use it in liquid or air. 
2.Pressing the TEMP key,the display will convert to a Celsius display,press the key again to convert to Fahrenheit temperature test,then press the key third time to return to water quality test. 

Influence factor
1.Water temperature:TDS meter pen can not to measure the hot water bodies. 
2.The velocity of water flow:TDS pen can not to measure the large velocity of water flow. 
3.Area:TDS values vary from region to region and city to city due to different pipelines and water sources. 

TDS In PPM
 Distilled water TDS value: 0 ppm
Purified water TDS value: ＜ 10 ppm
Spring water TDS value: 100-200 ppm
Tap water TDS value: 100-250 ppm
Pure alcohol TDS value: 0 ppm
Warning
 Avoid immersing the TDS pen in water, avoid direct light and high temperature, avoid impact and drop down.
✅Highly efficient and accurate due to its advanced microprocessor technology,The TDS meter one measurement can be completed within 5 seconds.
✅TDS meter Built-in Digital Thermometer, ppm meter, Display: Large and Easy-to-read LCD Screen.
✅Long battery life cycle: The TDS Meter used with 2pcs 1.5V batteries, can use more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery.
✅Application: Widely used in swimming pools, drinking fountains, aquariums, hydroponics, TDS testing, water quality testing, ppm tester, solubility testing and more.
✅High accuracy: +/- 2% Readout Accuracy Testing, the titanium alloy probe has high test accuracy, which can avoid the interference of magnetic field in water.Imported High-Quality Clip, TDS meter warranty 3 years.

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