Shenwei Electronics Infrared CO Sensor Module SW531 Infrared CO Sensor Module SW531
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- Model ： Infrared CO sensor module SW531
- Category： Gas Transducer
- Brand ： Shanghai Shenwei Electronics
- Delivery Time： Request for a Quote for Further Details
- Manufacturer： Shanghai Shenwei Electronics
Products
SW531 is a gas sensor module that uses the NDIR infrared absorption detection principle. The concentration is determined based on the amount of radiation absorption of the infrared light source by CO gas. SW531 uses imported light sources, special-structured optical cavities and dual-channel detectors to achieve spatial dual-optical path reference compensation, and the microprocessor performs signal acquisition, processing and output. SW531 has good selectivity, high sensitivity, no oxygen dependence, life, and low power consumption; built-in temperature sensor for temperature compensation; it also has UART, 485 (modbus user-selectable protocol) output and 4~20mA analog Current/voltage output; convenient for customers' various applications.
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SW531 Diffusion type
working conditions
| describe. | symbol. | numerical value. | unit. |
| Storage temperature. | Tstg | -20 to 80 | °C |
| Operating temperature. | TA | -20 to +60 | °C |
| Working humidity. | HA | 0 to 90 | %RH no condensation. |
| work pressure. | PA | 0.8 to 1.2 | ATM |
Electrical characteristics
| describe. | symbol. | smallest. | typical. | maximum. | unit. |
| powered by. | Vs | 11 | 12 | 30 | V |
| Maximum working current. | Imax | 100 | 120 | 150 | mA |
Performance parameters
| describe. | typical. | unit. | |
| Detection range (can be customized). | ppm | ||
| measurement accuracy. | ±50 or ±5% of the true value, whichever is greater. | ppm | |
| T90 | pump suction. | 5 | Second. |
| diffusion. | 30 | Second. | |
| Repeatability. | zero point. | <±50 | ppm |
| 50% FS |
<±5% Measurements. | ||
| life. | 10 | Year. | |
Communication Interface:UART output, RS485 output, analog current (4-20mA)/voltage output
structure size:Diffusion (mm): length*width*height=76*41.5*18
Pump suction (mm): length*width*height=80*43*31
