Air Negative Measuring Instrument Tester Meter Measuring Tool Concentration
Product Description
Air Negative Measuring Instrument Tester Meter Measuring Tool Concentration
- ★This negative tester can only measure some household appliances with negative generator, such as negative air air conditioning fan, air conditioner, which can release more than tens of thousands of high concentration negative
- ★ It can not test negative released from some ordinary natural environment and some solid
- ★The tester is easy to carry and is suitable for testing high concentration sources such as various positive and negative generators, air purifiers and air conditioners. Measurement 10 000-19 990 cm³
Technical Specifications
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