NDIR CO2 Sensor Module and OEM Platform - CO2 Engine K30 STA

▪ Measurement range: 0 to 5000 ppm
▪ Accuracy: ±30 ppm ±3% of reading
▪ Response time (T 1/e ) 20 sec diffusion time
▪ Operating temperature: 0 to +50 °C
▪ Operating humidity: 0 to 95% RH non condensed
▪ Flexible
▪ Easy to be configured
▪ Maintenance-free

  • Model Number: CO2 Engine K30 STA
  • Data Sheet: Date Sheet File
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  • NDIR CO2 Sensor Module and OEM Platform
  • NDIR CO2 Sensor Module and OEM Platform
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Product Specification

CO2 Engine K30 STA
Sensor Module and OEM Platform

CO2 Engine K30 STA NDIR CO2 Sensor Module General
The K30 sensor platform CO2 Engine K30 STA can be customized for a variety of sensing and control applications. This platform is designed to be an OEM module for built-in applications in a host apparatus, and hence should be optimized for its tasks during a dialog between SenseAir and the OEM customer. K30 is a flexible product with 2 analog outputs and 2 digital outputs that can be configured with SADK or other custom software to meet your requirement.

CO2 Engine K30 STA NDIR CO2 Sensor Module Technical specification


CO2 Engine K30 STA Art. no. 030-8-0006

Target gas

Carbon dioxide (CO2)

Operating Principle

Non-dispersive infrared (NDIR)

Measurement range

0 to 5000 ppm


±30 ppm±3% of reading 1

Response time (T 1/e )

20 sec diffusion time

Rate of Measurement

0.5 Hz

Operating temperature

0 to +50°C

Operating humidity

0 to 95% RH non condensed

Storage temperature

-30 to +70°C

Dimensions (mm)

51 x 57 x 14 mm (Length x Width x approximate Height)

Power supply

4.5 to 14.0 VDC maximum rating (without reverse polarity

protection) stabilized to +-5% over load and line changes. Ripple

voltage less than 100mV. 2

Warm Up time to spec precision

1 min

Life expectancy

>15 years

Compliance with

RoHS directive 2011/65/EU Tested according;

Immunity EN 61000-6-3:2007, Emission:EN 61000-6-2:2007

Serial communication

UART, Modbus protocol. Direction control pin for direct connection

to RS485 receiver integrated circuit.


D/A Resolution:10 mV (10 bit)

Linear Conversion Range: 0 to 4 V = 0 to 2000 ppm

Electrical Characteristics: R OUT < 100Ω R LOAD > 5 kΩ


D/A Resolution:5 mV (10 bit)

Linear Conversion Range:1 to 5V = 0 to 2000 ppm

Electrical Characteristics: ROUT < 100Ω R LOAD > 5kΩ


Digital (High/Low) output, 700/800 ppm


Digital (High/Low) output, 900/1000 ppm


Maintenance-free when using SenseAir ABC algorithm (Automatic

Baseline Correction).

1 Accuracy is specified over operating temperature range at normal pressure 101.3 kPa. Specification is referenced to certified calibration mixtures. Uncertainty of calibration gas mixtures (+-2% currently) is to be added to the specified accuracy for absolute measurements.
2 Notice that absolute maximum rating is 14V, so that sensor can be used with a 12V+-10% supply.

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