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GMA80/81/84/88 Brochure

GMA80/81/84/88 Brochure
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Worldwide Supplier Of Gas Detection Solutions GMA81/83/84/88 Compact Controllers for all Transmitters Compact controller for easy wall mounting Simple operation Flexible for all detection tasks Re-configurable by user

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Fixed Gas Controller for Wall Mounting GMA88 A The compact gas controller The GMA81, GMA83, GMA84 and GMA88 are compact gas monitoring controllers for wall mounting. Together with GfG’s powerful and robust transmitters the GMAs form complete systems for monitoring of gas hazards for many applications. The GMA81 is a single channel controller for one detection point. Low cost of ownership for several detection points is provided by the GMA83 for up to 3 transmitters, the GMA84 for max. 4 transmitters, or the GMA88, which allows monitoring of up to 8 channels simultaneously. Easy wall...

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Fixed Gas Controller for Wall Mounting Touch key check Touch keys allow comprehensive checks of the GMA functions. A separate relay check prevents incidental alarm activation during testing. Just push a button to read the sensor signals of the connected transmitters from the display, i.e. you do not need an external meter for calibration and function test. Completely confi gurable The GMAs are supplied preconfi gured to your requirements. Modifi cations, however, can be easily done: The keypad allows the user to change alarm thresholds and functions even at a later stage. Just connect a PC...

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Gas: Depending on transmitter: Combustible and toxic gases and vapors, oxygen Detection range: Depending on requirement: ppm, % LEL, Vol.-% Ambient temperature: -10°C .. +55°C Power supply: 230 V AC Power consumption: Max. 4 W, normal 2 W Input signal: 0,2 .. 1 mA / 4 .. 20 mA Alarm functions: Exceeding / falling below Latching / non-latching Resettable / non-resettable Adjustable hysteresis Alarm delay 0 .. 2 min. De-activation varIably adjustable Alarm allocation for GMA84 and GMA 88 Relay outputs: 4 voltage-free relay outputs for alarm and fault, NC contacts, NO contacts, change-over...

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