Yieryi Digital TDS Meter Filter Measuring Water Quality Purity Tester Water tds meter

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

​TDS water quality test pen product instructions:

• Remove the cap, open the ON switch;
• Put the pen in the test solution, the solution height shall not exceed 2cm;
• When the pen is stirred in the solution, after the reading is stable (2-6 seconds), the TDS value will be displayed on the screen, then press the HOLD key to lock the value.
• The use of water to dry on the pen head after cleaning with pure water, the pen cap can be back.
• Attention: avoid soaking TDS pen in water, avoiding direct sunlight, away from high temperature, avoiding impact, heavy pressure and falling touch.
• Matters needing attention:
• The instrument should not be waterproof, do not let the liquid exceed the immersion line.
• The instrument cannot be adjusted at will. The instrument has been calibrated before leaving the factory.
• In case the indication error is large, the indication value is striking, the indication value does not return to zero, and so on, it is necessary to insert the following parts of the immersion line into the alcohol and shake it several times to clean the sensor

Shen Zhen YIERYI Technology Co., Ltd established in 2012 and are located in Economic Development Area, Shen Zhen City, Guang Dong Province, enjoying an ideal geographic position with convenient facilities, excellent craftsmanship and complete testing methods.
We are a professional manufacturer of high quality Portable Refractometer for sugar,brix,Alcohol,Salinity,milk wine,Engine Fluid Glycol and water ph meter soil meter meter .etc.. Our Factory have attained ISO9001:2008 Quality System Certification. Our products have ROHS and CE Certification, our other some products also have type patent.

We started exporting from 2013, At present, our factory sells our products to Europe, America, Southeast Asia and the Mid-East. Our annual sales volume are $1 Million - $2.5 Million. Our products are also sold to different big and medium cities in China and are warmly welcomed by our customers.
Our factory always attaches great importance to technological innovation and has been recruiting professional staff regularly. We also cooperate with research institutions to develop new products. To meet customers' high level needs, we always adhere to the enterprise spirit of "Unity, Industriousness, Exploration and Innovation". To reward our customers through our persistent pursuit for high quality products and first-class services, we wish to cooperate with customers from various circles to create a prosperous future together.