The Model Gas Detection and alarm system may be considered in two sections: The analyzer Modules and remote Detecto
GENERAL DESCRIPTION:
The Model Multichannel Gas Monitor System is a continuous monitoring system designed to give reliable detection of gas at different location in Safe Area and to give indication and warning of dangerous, toxic gas concentration. The remote detector/transmitter sense gas at particular points where gas concentration is suspected and transmits 4-20 mA dc signals to the monitor. Modern integrated circuits and plug-in modules provide all needed indication for alarms and fail safe functions with simplicity of installation and operation. The system is designed and manufactured to ensure high reliability but should a failure occur in the detection elements or their associated wiring, a fault detection system is provided within the module. The indicator is designed for installation at safe area.
In Model CL each detection channel consists of a remote detector wired back to a corresponding plug-in analyzer module. Terminals for external alarm signals are provided for each analyzer module and for all modules in common.
SPECIFICATIONS:
Make : VASTHI
Gas Detection : CL gas in PPM
Principle : Diffusion type for continuous monitoring
Sensor : Electrochemical
Transmitter power supply : 24 V DC
Output : 4-20 mA dc
Transmitter Housing : Weather proof
Indicator : Three channel, Rack mounted
Input : 4 20 mA dc from transmitter
Display : 3 digit seven segment display.
Accuracy : +/- 2 % of the range
Power supply : 230 V AC 50 hz +/- 10 %
Measuring range : 0- 50.0 PPM
Output (Re-transmission) : 4 20 mA dc
Relay Contact Ratings : 5A, 230 V AC
Indicators : Warn Alarm, Trouble & Test Indications.
Push button keys : Function, Increment and Decrement keys
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