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Multi-functional water quality tester
Conductivity measurement range: 0 to10000uS/cm 10.01-19.99ms 20.1-400ms/cm. accuracy: ±2% of the reading     
Three point automatic correction 
Waterof function IP67 
Scope of application for Pools, Drinking Water, Aquariums 
Packing List
1*5 in 1 meter  
FAQ Q: Does it turn itself off？ A: The battery is 3x1.5lr44, and it shuts down automatically after 5 minutes without any operation(Battery not included) Q: Does it have automatic temperature compensation？ A: Yes，it with ATC function Q:What should I pay attention to? A: Always clean the electrode after use Q : Are 9902 and 9909 the same duct? 9902 = 9909? A: 9902 and 9909 are the same duct, 9902 is the model duced by the factory, 9909 is our duct code, in order to better identify the duct, write it as 9909, you can check the function of the duct, the function and appearance are consistent Brand Story 
YIERYI was registered in 2016. The main ducts are refractometers, PH meters, tds, ec pens, soil meters, kitchen scales, and jewelry scales. In order to ensure the accuracy of the data, we gave up the low-cost chip, selected high-precision Taiwan imported and South Korea imported chips, the design chose a portable pen-type design, light, beautiful, and easy to carry. All ducts will be tested, calibrated and used by ourselves to ensure that the quality is qualified and then moted. We want to let this healthy enter every family and every corner of the world, and pass on the dream of "world love, China made"!
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