GMI Active-8

Key Features

  • Combination of up to 8 Detection Points
  • Alarm Relays to enable interfacing with other equipment/systems
  • Easily calibrated
  • LCD displaying system status
  • Battery back-up available


The Active-8 is a compact self contained 8 point gas detection system that lets you monitor any combination of combustible and toxic gasses, 24 hours a day, 7 days a week.

Being compact, secure and robust, the Active-8 ticks all the boxes when you need a quick, simple and effective installation, yet at the same time still giving you a digital display and LED indicators to display system status with a quick glance.

To increase its flexibility the Active-8 can be linked to alarms and other equipment within your facility via Alarm and Fault relays, giving you and your people the protection they need.


  • Gas Monitoring for the Drinks Industry (CO2/Ammonia/Freon/etc)
  • Ammonia Detection in Cooling & Refrigeration
  • Rapid Detection of CO2 in Cooling & Refrigeration
  • CO Monitoring in Parking Garages/Loading Bays/Warehouses
  • Chemical Plants
  • Pharmaceuticals
  • Water Treatment Plants
  • Steel Plants
  • Power Plants
  • Petro-chemical Plants
  • General Industry


Measuring Ranges

Up to 8 zone-able inputs

Fire Detection
Up to 30 Fire Detectors per Zone
Number of Zones : Up to Eight Zones Displays


ex-certification-logo med-certification-wheelmark-logo ce-certification-logo


Common Alarm 1, Alarm 2, Alarm 3 and Fault.
In addition, there can be up to 16 individual
customised alarm outputs.

Physical Properties

415 (H) x 230 (W) x 102 (D) mm

6.5Kgs (including batteries)
5.5Kgs (without batteries)


5 – 95% RH non-condensing

-20oC to + 50oC (-4oF to + 122oF)

Power Supply

240vAC, 110vAC or 24vDC

Battery Options (optional)
Internal Battery Back-up (rating 1.2Ah)


SPCO Relays with the following contact ratings:
Max Switching Power 60W
Max Switching Voltage 220vDC, 250vAC
Max Switching Current 2A
Two Monitored Sounder Outputs (rated at 24vDC 500mA each).
Optional 4-20 mA Output Box can provide individual analogue output per channel.
This is available as isolated or non-isolated.


Individual Zone LED Display
Common LED Display
Descriptive LCD Display