Working principle |
Electrochemical |
Measurement range |
HCHO: 0~1ppm |
VOC: 0~10ppm (equivalent alcohol concentration) |
TVOC: 0~10ppm (equivalent alcohol concentration) |
HOCHO Measurement accuracy |
≤0.1ppm:±0.025ppm |
>0.1ppm:±25% reading (Reference instrument: Gaseraone,25±2℃,50±10%RH) |
Resolution |
HCHO: 1ppb |
VOC: 0.01ppm |
TVOC: 0.01ppm |
Response time T90 |
50s (@25±2℃,50±10%RH) |
Working condition |
0~40℃;15~95%RH (Non-condensing) |
Storage condition |
-20~50℃;0~95%RH (Non-condensing) |
Working voltage |
DC (+3. 5V ~ +5.5V) |
Working current |
<15mA |
Signal Output |
1. UART_TTL (3.3V) |
2. IIC (Reserved) |
3. PWM (Reserved) |
Dimension |
W23*H32*D7 |
Lifetime |
3 years (@0.1ppm Formaldehyde concentration) |