GDS304 (Sequential Gas Sampling System 1-48 Way)

GDS - Gas Detection Systems and Equipment

Technologies Ltd

Flow Sample Systems

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GDS304 C651
(Sequential Gas Sampling System 1-48 Way)

	1-48 sample points
	Monitor up to 4 gas types
	Full indication of all operations
	4 line alpha/numeric display
	Line blockage and pump fail monitoring
	Variable sample time for optimum cycle time
	Selectable sample line sequence
	No sample line purge delay
	High integrity, comprehensive self check fault monitoring
	Easily installed and maintained
	Centralised one man calibration offers minimum running costs
	Event logging / Modbus / RS232 / RS485
	Display of each sample line location
	Split system operation – optional
	Line blockage, blow back – optional
	Hazardous area operation – optional
	Enclosure internal gas monitoring with automatic system shutdown – optional
	Remote repeater panel – optional
	LED/text indicator panel – optional
	Auto flood cut off – optional

GDS300 Sequential Gas Sampling System Multi Way

The GDS 304 system is designed to monitor gas levels from a number of sample-points, targeted at situations where the positioning of conventional gas sensors may not be practical.
This may be due to equipment security, cable routing, access for detector head installation/maintenance, harsh environment or a cost effective means of monitoring designated hazardous areas, typically - tunnels, marine applications, underground/high level voids, process control, landfill, multi storey car parks, brewing, horticulture, livestock husbandry.

Gas samples are sequentially extracted for a timed period by a central control unit via fixed sample lines. A high rate sample is taken by the main pump during which a reduced rate sample is passed across the sensor device.

The central unit provides gas level readouts with two alarm trip points per line, providing a range of signal outputs for annunciator and control functions.

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