Product features
1. The product is small and exquisite, easy to carry
2.PM2.5 concentration and ambient temperature are disyed on a screen at a glance
3. Six emoji ICONS indicate PM2.5 concentration levels (excellent, good, mild, moderate, severe, toxic)
4. Using laser sensor, automatic calibration, real-time detection
5. Rechargeable polymer battery can work continuously for 4 hours
6. Equipped with suspension bracket and vehicle bracket, a variety of environment use
7. One-button measurement, over range indication
8. Celsius/Fahrenheit temperature switch (℃/℉)
Function |
The range of |
Resolution |
Accuracy ±(apercent reading b words) relative to reference machine |
Exin |
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PM2.5 |
0-500 |
1ug/m3 |
± (10ug/m3 10dgts) @0~100ug/m3± (reference machine 10percent 30dgts) @100~400ug/m3± (reference machine 10percent 50dgts) @400~500ug/m3 |
Non-standard detection, no contrast |
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Temperature |
(-10℃-50℃) |
0.1℃ |
±1℃ |
Normal temperature humid environment (18-28℃) |
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Humidity |
5%-99% |
1%RH |
@ 30% ~80percentRH:15-40℃:±5percentRH>40℃;15℃:±8percentRH@80percentRH:±8percentRH—— |
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PM2.5浓度可保证精度操作环境：常温18-28℃,常湿40%-75%RH;PM2.5浓度可操作环境：Temperature-10~50℃,Humidity0-99%RH;存储环境Temperature：-20~60℃. |
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PM2.5 concentration standard is based on "Environmental Air Quality Standard" (GB3095-2012) : first-class excellent 0-35; Grade II good 36-75; Tertiary light pollution 76-115; Grade IV moderate pollution 116-150; Grade 5 heavy 151-250; Level 6 Severe pollution 251 and above (expression grading, from left to right, according to this level 1,2,3,4,5,6. Among them, four, five and six levels show red backlight to alarm the concentration of particulates exceeding the standard) |
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Battery voltage disy |
4 batteries: sufficient power Vbat≥4V |
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3 batteries: Sufficient power Vbat≥3.7V |
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2 batteries: The battery is low. Vbat≥3.4V-- is recommended |
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1 battery: The power will be exhausted, need to charge Vbat≥3.2V |
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Empty battery: The power has been exhausted, automatic shutdown, must plug in the power adapter to charge Vbat≥3V |
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按键Function |
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Key name |
Function描述 |
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Start/shut down |
Power-on and power-off buttons |
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℃/℉ |
° C and ° F switch units |
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Backlight key |
打开与关闭Backlight（在关闭Backlight状态下,白色Backlight常灭.有以下两种状态——1、如颗粒物浓度标,红色Backlight自动亮起, 待颗粒物浓度恢复正常,红色Backlight自动关掉;2、如颗粒物浓度标,红色Backlight自动亮起,此时短按Start/shut down键可以直接关掉红色Backlight.） |
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特殊Function |
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Monitor the instantaneous relative value of PM2.5, and prompt the corresponding pollution level |
High sensitivity to cigarettes |
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显示当前环境Temperature |
显示当前环境Humidity |
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Backlight |
1500mAh rechargeable polymer Battery |
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Hierarchical expression shows |
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This model does not check the high and low temperature test; Single machine does not do drop test |
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General characteristics |
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Power supply |
3.7V1500mAh rechargeable polymer Battery |
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Standard parts |
1: USB cable 1 charging cable (MINI) 1.5m |
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Standard packing |
Color box, warranty card |
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