Product color: | wathet | |||
outline dimension: | 105W 165D 70H (including the bottom) mm | |||
weight: | 610g | |||
Detection ion: | Positive ions and negative ions in the air | |||
measuring principle | Parallel electrode type | |||
measurement range: | model | R1 gear | R2 gear | R3 gear |
KEC900+II | 100000-20,000 | 1,000 to 200,000 yuan | 1 million to 2 million | |
KEC990+II | 1,000 to 200,000 yuan | 1 million to 2 million | 10,000 to 20 million | |
KEC990MII | 1 million to 2 million | 10,000 to 20 million | 100,000 to 200 million | |
air flow rate: | 1.4m/s | mobility: | 0.15cm²/V.sec | |
LCD be in a poor light: | have | |||
Mean measurement: | Meverage measurement function (10 seconds, can be customized according to user needs.) | |||
Determination accuracy: | Better than ± 20% | |||
source: | DC12V and built-in rechargeable lithium battery |