IRceL CH4 NDIR Methane (CH4) Gas Sensor
IRceL CH4 NDIR CH4 Sensor Description
Miniature infrared sensor with on-board EEPROM and thermistor
IRceL CH4 NDIR CH4 Sensor Key Features & Benefits:
• Integrated thermistor for accurate temperature compensation
• EEPROM programmed with sensor specfic performance characteristics
• Compact Size
IRceL CH4 NDIR CH4 Sensor Technical Specifications
| MEASUREMENT | |
| Operating Principle |
Non-Dispersive Infra-Red (NDIR) |
| Measurement Range |
0-5% vol. Methane |
| Accuracy (-20°C to +50°C) |
Within ± (0.1% vol CH 4 + 4% of concentration) |
| Response Time (T90) |
|
| Repeatability: Zero 5% CH |
|
| Linearity |
See Operating Principles OP17 |
| ELECTRICAL | |
| Supply Voltage |
3-5 VDC, 3.3 V to utilise EEPROM calibration |
| Power Consumption |
|
| Recommended Lamp Frequency |
2 Hz, 50% duty cycle |
| Minimum Resolution |
0.03% CH 4 at zero 0.1% CH 4 at range |
| Warm-up Time |
|
| MECHANICAL | |
| Housing Material |
Stainless Steel (see back page) |
| Weight |
23 g |
| Orientation |
Any |
| ENVIRONMENTAL | |
| Typical Applications |
General Purpose Portable Fixed Methane Detection |
| Operating Temperature Range |
-20°C to +50°C |
| Operating Humidity Range |
0 to 99% RH (non-condensing) |
| Operating Pressure Range |
700 to 1300 mBar with compensation |
| LIFETIME | |
| Long Term Zero Drift |
|
| Recommended Storage Temp |
-20°C to +50°C |
| MTBF |
> 5 years |
| Standard Warranty |
12 months from date of despatch |
IMPORTANT NOTE:
Connection should be made via PCB sockets only. Soldering to the pins will seriously damage your sensor.
All performance data is based on conditions at 20°C, 50%RH and 1013mBar, using City Technology recommended circuitry. For sensor performance data under other conditions, refer to the Characterisation Note and Operating Principles.
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