Yieryi Professional Digital Water Tester 5 In 1 PH/TDS/EC/Salinity/Temperature Tester Pen Waterproof Multi-Function Meter
With backlight function, it can be tested at night
The waterproof grade is IP67, at normal temperature and pressure, when the shell is temporarily immersed in 1M water will not cause harmful effects
Wide range of application
products can be used in swimming pools, spas, family kitchens, laboratories, farms, aquariums
Usage and calibration procedure as well as usage precautions
Noted:Always clean the electrode after use
If the pH calibration cannot identify the solution, the electrode is broken
Packing List
1*5 in 1 tester
1*manual in english
3*ph buffer power
Q: Does it turn itself off?
A: The battery is 3x1.5lr44, and it shuts down automatically after 5 minutes without any operation
Q: Does it have automatic temperature compensation?
A: Yes,it with ATC function
Q:Why does the PPT measurement vary greatly?
A:Accuracy is accurate within 150ppt, while deviation above 160ppt is large
Q:About calibration accessories
A:
EZ-9909 only delivers 3 packs of PH calibration powder, not TDS / EC / Salinity calibration liquid
Backlight
NO Backlight
Brand Story
YIERYI brand was registered in 2016. The main products 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 products will be tested, calibrated and used by ourselves to ensure that the quality is qualified and then promoted. We want to let this healthy brand enter every family and every corner of the world, and pass on the dream of "world love, China made"!
