| 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 | |||
