SC 104 With CAN Protocol Output

The SC 104 - CO2 sensor is designed to measure the carbon dioxide concentration of the air in spaces protected against water.

The SC 104 - CO2 sensor consists of a plastic ribbing head where a printed circuit board with the sensor and a converter is placed to establish a communication via the CAN bus. The CO2 value is measured by a NDIR module whose digital signal is also converted to an output signal of CAN / CANopen - CiA DS 301. For the CO2 concentration sensor, there is an autocalibration function available to set the sensor at the minimum CO2 value corresponding to the outside concentration level. The SC 104 - CO2 sensor meets the ingress protection of IP 30 according to EN 60 529, as amended. Suitable design and high-quality material ensure that the sensor does not feel disturbing even in the interiors with high aesthetic requirements. You can choose the colour of the box white or grey. 
The SC 104 - CO2 sensor is designed to be operated in a chemically non-aggressive environment; its use must be chosen regarding temperature and chemical resistance of the head and of the individual sensors.

The operating conditions to establish the correct function are:
  • Ambient temperature in the vicinity of the sensor: 0 to 45 °C
  • Relative ambient humidity: 0 to 95% (non-condensing humidity)
  • Atmospheric pressure: 87 to 106 kPa

Tests, Declaration, Calibrations

  • Manufacturer provides EU Declaration of Conformity.
  • Calibration – The final metrological inspection – comparison with standards or working instruments – is carried out for all the products. Continuity of the standards and working measuring instruments is ensured within the meaning of the Section 5 of Act no.505/1990 on metrology. The manufacturer offers a possibility to supply the sensors calibrated in SENSIT s.r.o.’s laboratory (according to requirements of the EN ISO/IEC 17025 standard, as amended) or in an Accredited laboratory.

Specification

Sensor type SC 102
Output signal CAN / CANopen - CiA DS 301
Galvanically separated no, possible on request
CO2 measuring range * 400 to 5000 ppm
CO2 measuring accuracy * ± 50 ppm *
Time response CO2 (90%) 20 s
Supply voltage U 15 to 30 VDC
Rated supply voltage Un 24 VDC
Consumption maximal: 500 mW
typical: 300 mW
Ingress protection IP 30 in accordance with EN 60529, as amended
Dimension of the head 71.9 x 59 x 27 mm
Material of the head LEXAN
Weight min 35 g
Recommended wire cross section 0.14 to 1 mm2

* The stated measurement ranges and accuracies for the individual sensors refer to operating conditions when the supply voltage is connected.
**Temperature sensor can be used in temperature range -40 °C to 80 °C for a short time.
Note: Manufacturer reserves the right to make changes in design and technical characteristics of the products. For actual information, please always contact your dealer.

Dimensional Draft

Wiring Diagram

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