Yieryi digital Filter Measuring Water Quality Purity Tester TDS Meter Water tds tool

Calibration

• 1. open the TDS
• 2. Press the "TEMP" button , then The screen will always be .then can adjust it , when the data is the same with the Correction fluid
• 3. press the 'hold‘ button

Product Feature:

• Test the quality of various water ensuring you are enjoying the best quality water.
• Ideal for using in the following situations: drinking water water filters hydroponics aquariums food&coffee pools&spas. TDS range: 1-9999PPM/mg / L.
• Auto shut-off: 10minutes.
• Data hold. Auto temperature compensation.
• Accuracy: ±2%.
• Dimensions: 14.2*2.3*1.3(CM)
• Battery: 2×LR44 cell batter(not INCLUDE)
• Come with a leather case.

Packing list

• 1* tds-3 meter
• 1*english user manual
• 1*leather bag

​Factors affecting TDS value test:

Water temperature: TDS pen can not be used to measure high temperature water body (for example: hot water)
Velocity of water: TDS pens cannot be used to measure larger bodies of water sloshing