IRceL CH4 NDIR CH4 Sensor
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) | < 35 Seconds |
| Repeatability: Zero 5% CH | < ±0.015% CH 4 < ±0.05% CH |
| Linearity | See Operating Principles OP17 |
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| ELECTRICAL | |
| Supply Voltage | 3-5 VDC, 3.3 V to utilise EEPROM calibration |
| Power Consumption | <100 mW at 3.3 V |
| 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 | < 10 Seconds |
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| MECHANICAL | |
| Housing Material | Stainless Steel (see back page) |
| Weight | 23 g |
| Orientation | Any |
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| 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 |
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| LIFETIME | |
| Long Term Zero Drift | < ±0.05% CH 4 per month |
| Recommended Storage Temp | -20°C to +50°C |
| MTBF | > 5 years |
| Standard Warranty | 12 months from date of despatch |