| Functional features | Humidity continuous automatic correction function |
| Sampling | Continuous monitoring of particulate matter (PM) concentration compatible with membrane sampling |
| Measurement range | 0.001-100mg/m³ |
| Repeatability Error | ±2% |
| Detection sensitivity | 0.01mg/m³ |
| Error of indication | ±10% |
| Measurement time | The standard time is 1 minute, with 0.1 minutes and manual settings |
| Timed sampling | Measurement time (1~ 9999 seconds), shutdown time (0~9999 seconds), and sampling times (1~ 9999 times) can be set |
| Alarm function | Alarm threshold setting, concentration threshold can be set arbitrarily |
| PC Communication interface | Standard RS232; optional RS485, wireless data transmission radio, GPRS communication, WiFi wireless transmission |
| Micro printer output interface | Yes. |
| Analog output interface | 0-1V; optional 4-20mA |
| Digital output interface | level signal |
| Power Supply | Lithium battery rechargeable battery pack, can be used continuously for 8 hours (only for portable use), with power adapter |
Warranty days: 365 days
1. The warranty period of the product is one year electricity, during the warranty period, the supplier will repair and replace the parts damage caused by quality reasons free of charge, the damage of the parts outside the warranty period, the accessories provided are only charged at cost, and the equipment damage caused by the human factors of the buyer, the accessories repaired or provided by the supplier are calculated at cost price.
2. The product is sold, and the manufacturer does not provide return and exchange services in the following cases
a. The product has been used abnormally.
b. Instrument failure caused by abnormal storage.
c. Unauthorized repair, misuse, abuse, and alteration.
d. Man-made damage.
e. Normal wear and tear of the product.
f. Out of shelf life.