GMI Single Point Gas Alarm (SPGA)

Key Features

  • Compact stand alone single point system
  • Secure and robust housing for the harshest environments
  • Simple to use
  • Versatile, many applications, many gasses
  • Programmable alarm levels
  • 4-20 mA output, heavy duty volt free contacts
  • Easy installation
  • Optional internal battery backup
  • Integrates easily into larger and existing systems


The Single Point Gas Alarm is compact, secure and robust and ticks all the boxes when you need a quick, simple and effective installation.

Being compact it’s the perfect fit for a small installation, be it from boiler houses to chemical plants and from landfill sites to commercial kitchens. The SPGA will happily monitor these environments 24 hours a day, 7 days a week.


  • Boiler houses
  • Refrigeration Gas Monitoring – Ammonia
  • Rapid Detection of CO2 in Cooling & Refrigeration
  • CO Monitoring in Parking Garages / Loading Bays / Warehouses
  • General industry
  • Commercial property
  • Paint shops


Measuring Ranges

CO 0 – 100ppm
CO 0 – 500ppm
CO 0 – 1000ppm
H2 0 – 100ppm
LEL 0 – 100%
O2 0 – 25%

Other gases on request


2 Levels adjustable
5% – 95% of range

Physical Properties

Height 230mm
Width 170mm
Depth 102mm

with battery 3.7kg
without battery 2.9kg

Power Supply

110-230v AC 50/60 Hz
24v DC


1 Line 20 Digit LCD Display
(Backlit) 5 Status LED’s