Cảm biến phát hiện khí formaldehyde ZE08-CH2O
275.000₫
Còn hàng
ZE08-CH2O is a general-purpose and miniaturization electrochemical formaldehyde detection module. It utilizes electrochemical principle to detect CH2O in air which makes the module with high selectivity and stability. It is built-in temperature sensor to make temperature compensation. It has the digital output and analog voltage output at the same time. It is a combination of mature electrochemical detection principle and sophisticated circuit design.
Applications :
Portable detector, air-quality monitor, air cleaner, air renewal system, air conditioner, smart home &etc.
Technical parameters :
Tips:For more parameter information, please refer to the latest manual provided by salesman.
| Model No. | ZE08-CH2O |
| Target Gas | CH2O |
| Interference Gas | Alcohol, CO &ect. |
| Output Data | DAC(0.4~2V standard voltage output ) |
| UART output(3V Electrical Level) | |
| Working Voltage | 3.7V~9V( With voltage reverse connect protection) |
| Warm up time | ≤3 minutes |
| Response time | ≤60s |
| Resume time | ≤60s |
| Detection Range | 0～5ppm |
| Resolution | ≤0.01ppm |
| Operating Temp. | 0～50℃ |
| Operating Hum. | 15%RH-90％RH(No condensation) |
| Storage temp. | 0～50℃ |
| Working life | 2 years（in air） |
Reference Circuit :
| PIN | Instruction |
| Pin4 | Vin（Voltage input 3.7V～9V） |
| Pin3 | GND |
| Pin2 | DAC (0.4～2V,for 0-5ppm) |
| Pin7 | PWM |
| Pin1 | HD (Zero calibration，only for factory use) |
| Pin5 | UART（RXD） 0～3.3V data input |
| Pin6 | UART（TXD） 0～3.3V data output |
