Gas Sensor Modules
BW-02-4CH
NDIR Four-Channel Propane Sensor
- Model
- BW-02-4CH
- Category
- Gas Detectors & Alarms › Gas Sensor Modules
Parameters: C3H8
IndustriesBuilding & HVAC
Measurement PrincipleNDIR
Overview
BW-02-4CH is a four-channel NDIR propane sensor for residential and commercial leak detection, immune to poisoning and resistant to ethanol and acetic acid, measuring 0-2.2% vol with 0.01% resolution and ±3% LEL accuracy within 0-30% LEL, with a 10+ year life.
Key Features
- NDIR technology
- Four-channel design, high selectivity to C3H8 gas, immune to gas poisoning
- Strong anti-interference capability to ethyl alcohol and acetic acid
- Matrix calibration ensures high accuracy across operating temperature and measurement range
- Fast response and long-term stability
- Long lifespan over 10 years
- Simple integration and maintenance free
Measured Parameters
| Parameter | Measuring Range |
|---|---|
| C3H8 | 0~2.2 %Vol |
Specifications
| Principle | NDIR (Non-Dispersive Infrared) technology |
|---|---|
| Measurement Range | 0~2.2% VOL |
| Accuracy | ±3%LEL@0~30%LEL, / ±10% of reading @30%LEL~100%LEL |
| Resolution | 0.01%VOL |
| Response Time | T90≤30s |
| Sampling Interval | 1 second |
| Communication Protocol | UART@3.3V |
| Working Temperature | -10℃~60℃ |
| Storage Temperature | -40℃~85℃ |
| Working Humidity | 0-95%RH (non-condensing) |
| Storage Humidity | 0-95%RH (non-condensing) |
| Power Supply DC | 5±0.5V DC |
| Average Working Current | ≤100mA |
Applications
- Household gas alarms
- Restaurant gas leak detectors
- Portable monitors for LPG stations
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