Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor - MisIR

Low Power 20mW
Measurement ranges from 0 to 1%
Low noise measurement (<10ppm)
3.3V to 5V supply.
Digital (UART)and Voltage Output Options
Automatic calibration
Operating Conditions: 0°C to 50°C; 0 to 95% RH, non-condensing
Accuracy: ±50 ppm +/- 3% of reading

  • Model Number: MisIR
  • Data Sheet: Date Sheet File
Quantity:
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  • Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor
  • Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor
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Product Specification

Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor MisIR Summary
NDIR CO2 Sensor MisIR is a low power (20mW), high performance CO2 sensor. Based on GSS patented solid state IR sensor technology and innovative optical designs, MISIR is configured to meet the requirements of the HVAC and Demand Led Ventilation markets.

Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor MisIR Characteristic

• Low Power 20mW
• Measurement ranges from 0 to 1%
• Low noise measurement (<10ppm)
• 3.3V to 5V supply.
• Digital (UART)and Voltage Output Options
• Automatic calibration


Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor MisIRSpecification

General Performance

Warm-up Time

< 20 seconds

Operating Conditions

0°C to 50°C

0 to 95% RH, non-condensing

Recommended Storage

-30°C to +70°C

CO2 Measurement

Sensing Method

Non-dispersive infrared (NDIR) absorption

Patented Gold-plated optics, GSS Solid-state source and detector

Sample Method

Diffusion

Measurement Range

0-2000ppm, 0-5000ppm, 0-1%

Accuracy

±50 ppm +/- 3% of reading

Non Linearity

< 1% of FS

Calibration

Automatic Calibration

Pressure Dependence

0.13% of reading per mm Hg in normal atmospheric conditions

Operating Pressure Range

950 mbar to 1100 bar

Response Time

2 minutes

Electrical/ Mechanical

Power Input

3.25 to 5.25V. (3.3V recommended). 

Peak Current 150mA3. 

Average Current 6mA3.

Power Consumption

20 mW


Low Cost HVAC Carbon Dioxide Sensor NDIR CO2 Sensor MisIRDimensions and Wiring Connections


The total height is 15mm at the highest point.


Pin
Description
Comment
PWR
Vsupply
3V3 to 5.25V
GND
0V
Only one GND pin should be connected.
Rx
Sensor receive line (UART)
5V Tolerant
Tx
Sensor transmit line (UART)
Voh = Vsupply
Vout
Voltage Output
Vout proportional to CO2 concentration. Full scale =
Vsupply


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