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INDOOR TEMPERATURE, RELATIVE HUMIDITY AND CO2 SENSOR WITH CAN PROTOCOL OUTPUT (CAN open) KSTHC

Reference GKSTHC104R

Delivery in 3 to 5 weeks

Sensor type KSTHC 104

Measured values ​​temperature, relative humidity, CO2

Temperature measurement range ** 0 to 45 ° C with guaranteed accuracy of CO2 measurement

-40 to 80 ° C without guaranteed precision of CO2 measurement

-40 to 80 ° C in the short term

Temperature measurement accuracy * ± 0,5 ° C

Relative humidity measurement range * 0 to 85% with guaranteed accuracy of CO2 measurement

0 to 95% without guaranteed accuracy of CO2 measurement

Relative humidity measurement accuracy * ± 3% in the range of 10 to 85%

± 4,5% in the range 0 to 10%

CO2 measurement range * 400 to 5000 ppm

CO2 measurement accuracy * ± 100 ppm *

CO2 response time (90%) 90 s

CAN / CANopen output signal - CiA DS 301

Supply voltage U 15 to 30 VDC

Nominal supply voltage Un 24 VDC

Maximum consumption: 500 mW

typical 25: 0 mW

Protection against ingress

IP 30 according to. according to EN 60529

Head dimension 71,9 x 59 x 27 mm

LEXAN head material (conforms to EN 45545-2)

Min weight 35 g

Recommended wire cross section 0,14 to 1 mm2

* The measuring ranges and accuracies given for the individual sensors refer to the operating conditions when the supply voltage is connected.

** The temperature sensor can be used in the temperature range of -40 ° C to 80 ° C for a short time.

Tests

Shock and vibration tests category 1, class B according to EN 61373

Electromagnetic compatibility according to EN 50121-3-2

Insulation test 1,5 kVDC for 1 minute according to EN 50155

Fire resistance

according to EN 45545 (possible according to NFPA 130)

Product features INDOOR TEMPERATURE, RELATIVE HUMIDITY AND CO2 SENSOR WITH CAN PROTOCOL OUTPUT (CAN open) KSTHC

The KSTHC 2 temperature, relative humidity and CO104 sensor is designed to measure the concentration of carbon dioxide, temperature and relative humidity of the air in spaces protected from water. In the segment of railway vehicle applications, it is used to measure all three variables in the passenger compartments of train units and wagons and is part of the temperature, relative humidity and air control system. CO2 concentration.

The KSTHC 2 temperature, relative humidity and CO104 sensor consists of a plastic ribbed head where a printed circuit board with the individual sensors and a converter is placed to establish communication via the CAN bus. The temperature and relative humidity are measured by a common internal sensor, the signal of which is processed in a microprocessor and is converted into a CANopen output signal with the CiA DS 301 specification. The CO2 value is measured by an NDIR module whose signal digital is also converted to a CANopen output signal. For the CO2 concentration sensor, an auto-calibration function is available to set the sensor to the minimum CO2 value corresponding to the outdoor concentration level.

The KSTHC 2 temperature, relative humidity and CO104 sensor meets the degree of protection IP 30 according to EN 60 529. Appropriate design and high-quality materials ensure that the sensor does not appear intrusive even in indoor environments. high aesthetic demands. You can choose the color of the box white or gray.

The KSTHC 2 temperature, relative humidity and CO104 sensor is designed to operate in a chemically non-aggressive environment; its use should be chosen according to the temperature and chemical resistance of the head and individual sensors. The operating conditions to establish the correct function of the CO2 module are:

- Ambient temperature near the sensor: 0 to 45 ° C

- Ambient relative humidity: 0 to 95% (humidity without condensation)

- Atmospheric pressure: 87 to 106 kPa

TESTS, DECLARATION, CALIBRATIONS

Type tests are carried out by a notified body according to standard EN 50155, as amended, Railway applications - Electronic equipment used on rolling stock, Art. 12.2.9, 12.2.11

- Electromagnetic compatibility according to EN 50121-3-2, as amended

- Insulation test according to EN 50155, as amended

- Shock and vibration tests according to EN 61373, as amended

The product meets the parameters in accordance with EN 45545-2, as amended, Fire protection of railway vehicles - Part 2: Requirements for the fire behavior of materials and components. May be supplied with materials that meet NFPA 130 fire safety standard, as amended.

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