
Product features INDOOR TEMPERATURE, RELATIVE HUMIDITY AND CO2 SENSOR WITH RS 485 (MODBUS) OUTPUT KSTHC102
The KSTHC 2 temperature, relative humidity and CO102 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 CO102 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 RS 485 bus. and relative humidity are measured by a common internal sensor whose signal is processed in a microprocessor and is converted into an output signal of MODBUS RTU. The CO2 value is measured by an NDIR module whose digital signal is also converted into a MODBUS RTU 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 CO102 sensor meets the degree of protection IP 30 according to CSN EN 60 529 v platném znění. Proper design and high quality material ensure that the sensor is not disturbing even in interiors with high aesthetic requirements. You can choose the color of the box white or gray.
The KSTHC 2 temperature, relative humidity and CO102 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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