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Instrumentation Gas Detector
Instrumentation Gas Detector
| Gas Detector |
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http://www.seitron.it/en/home
This sensor is a 3-wires transmitter for combustible gases concentration with current output in the 4 .. 20 mA range. The device is made of a plastic case carrying in the electronic board and the gas sensor, properly protected with a sinthered filter, located in the lower site of the case itself (according to installation directions). OPERATION This device measures the combustible gas concentration for which it has been calibrated and converts it into a current value ranging from 4.0 to 20.0 mA, thus in compliance with a widely diffused industrial standard. The sensing element takes advantage of the catalytic principle; in the concentration range below the L.E.L (Lower Explosion Limit) this type of sensor offers quite a good linearity and repeatibility, in addition to limited sensitivity to other enviromental parameters such as temperature and humidity. As the sensor can detect several types of HydroCarbons (HC) at the same time, it is mandatory for the user to take into account the summing effect deriving from this and to evaluate the cross sensitivity of the sensor to various gases. Once power supply is applied a 30 seconds pre-heat phase is initiated, but the best stability is obtained after 48 hours operation.
 Industrial Gas Central Unit Programmable 4 zones with RS 232 Data Out RGYS00MB4  230V ~ power supply Controls up to 4 zones Manages CO, L.P.G and Methan (CH4) transmitters Wide parameters configuration freedom Last alarm conditions data retention LCD backlight 2 x 16 characters display 9 modules DIN rail mount RS232 serial output Industrial control unit for gas detection with 4 zones fit in a 9 module DIN case capable of monitoring gas concentration up to maximum 4 zones. Possibility of connecting a 4 .. 20 mA transmitter in each zone for the detection of GPL, methane or carbon monoxide (CO). Available wit h RS 232 dataout that allows to transmit constantly all datas from central unit.
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