GASMASTER

Our enhanced Gasmaster gas detector control panel has a modular design, so you can customise your control panel with the all the input modules you need for your setting- and none of the ones you don’t, making it an adaptable, cost-effective solution.

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Gasmaster is a compact, versatile and powerful gas detection control panel that combines simple operation with an extensive array of input and output functions.

Gasmaster provides all the information you need about your gas and fire detectors at a glance. The large multi-lingual display shows gas levels from all detectors simultaneously, with a user-friendly menu system that is intuitive, making system adjustment and testing using buttons on the front panel a straight forward process requiring minimal training.

The Gasmaster gas detector control panel can operate ‘stand-alone’, or interface with any alarm devices and control systems using a selection of outputs. With the ability to add up to four detectors in virtually any combination, the Gasmaster provides two levels of independent alarm per channel, with remote inhibit and reset capabilities meaning you have full control from anywhere on your site, at all times.

Large LCD display

User friendly system

Analogue, relay and Modbus outputs

Adaptable, modular design

Compatible with a 4-20mA or mV pellistor-type gas detector

	Gasmaster 3
Size	288 x 278 x 110mm (11.3 x 10.9 x 4.3 inches)
Weight	4.5kg (10lbs)
Enclosure material	Back-box: cast aluminium Front cover: ABS (flame retardant)
Ingress protection	IP65
Power	100-240Vac 50-60Hz or 20-30Vdc, 60W max
Battery back-up	1.2Ah batteries fitted internally
Operating temperature	-10°C to +50°C (14°F to +122°F)
Inputs	Gas One 2 or 3 wire 4-20mA gas detector (sink or source) or mV pellistor flammable gas detector	One to four 2 or 3 wire 4-20mA gas detectors (sink or source) or mV pellistor flammable gas detectors
	Fire One loop of up to 20 conventional smoke/heat detectors or manual call points, or one flame detector (4-20mA or digital contact signal)	One to four loops of up to 20 conventional smoke/heat detectors or manual call points, or one to four flame detectors
	ESU For use with one Crowcon ESU fan
	Remote inhibit/retest Via normally open contact
Outputs	Relays DPCO contacts rated 250Vac 8A Low alarm. High alarm. Fault. Alarm relays can be set for rising or falling alarms. Hysteresis can be adjusted on low alarms	Low alarm and high alarm per channel plus common low, high and fault. Alarm relays can be set for rising or falling alarms. Hysteresis can be adjusted on low alarms
	A/V alarm drive 12Vdc or 24Vdc 650mA max. drive. Suitable for +ve or -ve switched alarms
	Analogue 4-20mA (current source, max. loop resistance 700?) or 1-5Vdc (min. load 50k? )	4-20mA for each channel (current source, max. loop resistance 700?) or 1-5Vdc (min. load 50k?)
	Serial link RS-485 Modbus RTU for monitoring and control via DCS/SCADA/PLC systems
Communications port	Optional port for PC configuration and event log upload
Event logging*	Time-stamped log of up to 300 alarms, fault or system intervention activities
Panel indication	LCD back-lit display shows gas level (in ppb, ppm, % volume or % LEL units), and scrolling alpha-numeric status indication. LED’s for Alarm, Fault, Power and Warning. Integral 85dB sounder (at 10cm)
Approvals	EMC: EN50270, EN60945, FCC: CFR 47 Part 15; ICES – 003 ATEX: May be used in a non-hazardous area as part of Intrinsically Safe System conforming to EN60079-25 Baseefa 05Y0090/1
Functional safety	Validated to IEC61508 SIL2

*Event log access requires a Gasmaster PC communications kit and communications port (see Accessories).

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