TEMPERATURE SENSOR WITH 4 to 20 mA OUTPUT KNS 520
Product features TEMPERATURE SENSOR WITH 4 to 20 mA OUTPUT KNS 520
The KNS 520 temperature sensor is designed to measure the temperature of liquid or gaseous substances. In the application segment of rail vehicles, it is used, for example, to measure the temperature of the outside air under the vehicle floor. For this, the sensor is equipped with a rod with high mechanical resistance.
The sensor consists of a plastic head, where a converter from the resistance signal of the temperature sensor to the current signal of 4 to 20 mA and a metal measuring box are placed. All metal parts are made of DIN 1.4301 stainless steel. The power cable is connected to the terminal block via a grommet, which is part of the plastic head. The base material of the head is LEXAN. The sensor can be used for any control system compatible with the 4 to 20 mA output signal. Standard temperature ranges are shown in the technical parameter table, while the maximum temperature around the sensor head is 80 ° C and should not be exceeded even for a short time. The sensor conforms to the degree of protection IP 65 according to standard EN 60529, as amended.
The sensor is designed to operate in a chemically non-aggressive environment.
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.
- variable rod design - length L