รายละเอียดสินค้า
Product Description
This negative ion detector is powered by a rechargeable battery, which is compact and easy to move. Users can carry it to measure the concentration of negative oxygen ions in different locations. With the touch screen function, it is convenient to manually calibrate and modify various parameters at any time. The measurement range is 0-5 million, 0-50 million, 0-100 million, 0-200 million, and 0-500 million for choose. Besides negative oxygen ion detection, measurement elements such as temperature, humidity, formaldehyde, pm2.5, and tvoc can also be added. It can be used for indoor testing or used with a weather station.
Parameters
| Power supply | DC18-30V | |
| Battery capacity | 4000mAh | |
| Working environment | -20°C~50°C; <95%RH no condensation | |
| Charging time | 4h | |
| Negative oxygen ion parameters | Measuring range | 0-5 million pcs/cm3 (Optional 50,000/100,000/500,000/50 million) |
| Minimum resolution | 10pcs/cm3 | |
| Measurement error | ±15% | |
| Data update frequency | 1Hz | |
| Ion mobility | 0.4cm2/(V*S) | |
| Ion mobility error | ±5% | |
| Temperature | Measuring range | -40°C~60°C |
| Accuracy | ±0.5°C(25°C) | |
| Resolution | 0.1°C/y | |
| Humidity | Measuring range | 0%RH-100%RH |
| Accuracy | ±3%RH(60%RH,25) | |
| Resolution | 1%RH/y | |
| PM10/PM2.5 | Measuring range | 0~1000ug/m3 |
| Accuracy | ±3%FS(@100μg/m3,25°C,50%RH) | |
| Resolution | 1ug/m3 | |
| CHO | Measuring range | 0~2ppm |
| Accuracy | ±0.025ppm or ±20%FS | |
| Resolution | 0.001ppm | |
| TVOC | Measuring range | 0~60000ppb |
| Accuracy | 15%FS(@C2H6O,0.5ppm,25°C,50%RH) | |
| Resolution | 1ppb | |
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