• Infrared Carbon Dioxide (CO2) Sensor Pyroelectric Detector
  • Infrared Carbon Dioxide (CO2) Sensor Pyroelectric Detector
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Infrared Carbon Dioxide (CO2) Sensor Pyroelectric Detector

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  • Price

    Price on request   ≥1piece

  • Model Number

    IRC-A1

  • Data Sheet

  • Package

    Original packaging

  • Specs

    IRC-A1

  • Quantity

    - +

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Product Description

IRC-A1 Infrared Carbon Dioxide (CO2) Sensor Description
Alphasense CO2 and Methane infrared sensors are supplied in the industry standard miniature (20mm diameter) gas sensor housing.

Patented optics give the best signal to noise ratio of any 20mm diameter NDIR and universal linearisation constants allow easy implementation.

The on-board temperature sensor allows for software compensation, including ideal gas law correction.

CO2
The IRC-A1 with dual channel pyroelectric detector. This CO2 sensor is designed for IAQ, safety, combustion and high CO2 process control applications.

Application notes explain linearisation, temperature compensation and circuitry.

The IRC-A1 cover the entire concentration range of measurement, simply implement the appropriate linearisation constants in software for your required range:

IAQ
 0 to 5,000ppm CO2
Safety
 0 to 5% CO2
Combustion
 0 to 20% CO2
Process control
 0 to 100% CO2


IRC-A1 Infrared Carbon Dioxide Sensor CO2 sensor PERFORMANCE

Maximum Power Requirements

5.0 VDC, 60mA max. (50% duty cycle source drive)

Minimum Operating Voltage

2.0 VDC, 20mA max. (50% duty cycle source drive)

Source Drive Frequency

1.5 to 3 Hz (recommended 2 to 2.25 Hz)

Active Output in N2 (peak-to-peak)

60 - 100mV @ 2.1 Hz, 50% duty cycle

Reference Output in N2 (peak-to-peak)

40 - 80mV @ 2.1 Hz, 50% duty cycle

Response Time (t90)

< 40s @ 20°C ambient

Warm-up Time

To final zero ± 100ppm < 30 s @ 20°C

To specification < 30 minutes @ 20°C

 

 

IRC-A1 Infrared Carbon Dioxide Sensor CO2 sensor LIFETIME

MTBF

> 5 years

 

 

IRC-A1 Infrared Carbon Dioxide Sensor CO2 sensor KEY SPECIFICATIONS

Temperature Signal

Integral thermistor (NTC, R25 = 3000Ω Β= 3450K)

Operating Temperature Range

-20°C to +50°C (linear compensation from -10 to 40°C)

Storage Temperature Range

-40°C to +75°C

Humidity Range

0 to 95%rh non-condensing


TYPE*
 Range (Application)
 Accuracy (%FS, using 
universal linearisation 
coefficients)
 Zero 
Resolution
 Full Scale 
Resolution
 Zero 
Repeatability
 Full Scale 
Repeatability
IAQ
 0 to 5000ppm (IAQ)
 1 1ppm
 15ppm
 ±10ppm
 ±50ppm
Other
 0 to 5 % vol (Safety)
 1.5 1ppm
 100ppm
 ±10ppm
 ±500ppm
0 to 20 % vol (Combustion)
 2.5 1ppm
 500ppm
 ±10ppm
 ±2500ppm
0 to 100 % vol (Process Control)
 4 1ppm
 0.5 % vol
 ±10ppm
 ±5000ppm
* When ordering, select 'IAQ' or 'Other', depending on your application.

Matched Transmitter board for IRC-A1 Infrared CO2 Sensor

IRC-TX NDIR CO2 Transmitter Board Features
• Both 4-20mA and USB output
• Uses Alphasense IRC-A1 NDIR cell
• Adjustable bulb voltage to optimise long-term stability vs. resolution