Carbon Dioxide Infrared Sensor
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Price
Price on request ≥1piece
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Model Number
MSH-CO2 -
Data Sheet
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Package
Original packaging -
Specs
MSH-CO2 -
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Product Description
DESCRIPTION
Dynament infrared sensors operate by using the NDIR principle to monitor the presence of target gas. The sensor
contains a long life tungsten filament infrared light source, an optical cavity into which gas diffuses, a dual temperature
compensated pyroelectric infrared detector and an integral thermistor to monitor the internal temperature. The infrared
source should be driven externally with a constant voltage supply switched at a fixed frequency with a 50% duty cycle.
The dual pyroelectric detector produces two output signals in response to pulsed incident radiation from the source:
• An active signal which decreases in the presence of target gas
• A reference signal which is used to monitor the intensity of the source
FEATURES
▪ High sensitivity to carbon dioxide
▪ Gas diffusion sampling
▪ Standard sensor size
▪ Temperature compensated detector elements
▪ Fast Response
▪ Wide operating temperature range
▪ Internal temperature signal
▪ Low power
SPECIFICATION
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Maximum lamp Power Requirements: |
5V d.c. 60mA max. (50% duty cycle source drive) |
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Minimum operating voltage: |
3.0V d.c. (50% duty cycle source drive) |
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Source drive frequency: |
2.0Hz minimum, 3.0 Hz typical, 4.0 Hz maximum |
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Active mV pk-pk output in N2: |
5.2mV typical @ 3Hz, 50% duty cycle |
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Reference mV pk-pk output in N2: |
4.0mV typical @ 3Hz, 50% duty cycle |
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Sensitivity (reduction in active signal) at 20℃, 3Hz, 50% duty cycle: |
14% typical @ 5000ppm CO2 30% typical @ 2.0% volume CO2 |
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Measuring range: |
0 -1000ppm up to 0 - 5% volume CO2 |
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Resolution: |
1% of measuring range |
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Warm up time: |
To final zero ± 100ppm : <20s @20°C (68°F) ambient To specification: < 30 minutes @20°C (68°F) ambient |
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Response Time T90: |
<30s @20℃ (68°F) ambient |
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Zero Repeatability: |
±50ppm @20℃ (68°F) ambient |
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Span Repeatability: |
±50ppm @20℃ (68°F) ambient |
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Long term zero drift: |
±50ppm per month @20℃ (68°F) ambient |
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Operating temperature range: |
-20℃to +50℃(-4°F to 122°F) |
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Storage temperature range: |
-20℃ to +50℃ (-4°F to 122°F) |
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Humidity range: |
0 to 95% RH non-condensing. |
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MTBF: |
> 5 years |
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Temperature signal: |
Integral thermistor for temperature monitoring |
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Weight: |
17 grams |
Refer to Technical Data Sheet TDS0022 – General Description for further information
