Overview:
Natural gas is one of the safest forms of energy in use today, Its fitted as standard to all homes in the UK  however it is possible to cause problems through:
• Mistakes such as forgetting to light a gas ring
• Natural causes like a pilot light blowing out
• Faults in old equipment

This becomes a bigger problem where there are confused, elderly or infirm people who may be less aware of what is going on around them.
In the worst case, leaking gas can build up to dangerous levels which can result in explosions.

The Amos 550 Natural Gas Detector (with optional valve) provides two key functions
• It detects leaks long before the gas reaches unsafe levels,
• It actively prevents danger by shutting off the gas supply to the appliance

Where can the detector be used?
The detector is specially designed for all household situations. In particular where appliances may be left unattended or there
is a risk of gas flames blowing out or being forgotten to be lit. It is mainly used for gas cookers but also can be used to protect fires
and other gas appliances.

How it works:
A simple gas detector (similar in size and operation to a smoke detector) is sited above the gas appliance. When gas leaks happen they are detected well before levels reach recommended safety limits.
When a leak is detected a red warning light comes on and an optional alarm sounds. Remote alarms can also be triggered.
An optional cut off valve can be connected into the gas supply feeding the appliance. With this valve, when a leak is detected, the gas supply to the appliance is automatically switched off, making the situation safe.
When the gas has dispersed the gas can be reconnected either automatically, when a button is pushed or only when a key is inserted. This last option allows only selected people to reconnect the gas.

Detector Specification
Alarm trigger level: Between 5% and 20% of Lower Explosive Limit (LEL)
Alarm: Red warning light. Audible sounder, 85 dB at 3 m (can be disabled)
Outputs: 2 relays 240v powered out (for valve control) or Volt free (for remote signalling)
Reset operation: Only permitted when gas has cleared.
Alarm reset: Automatic or push button or key switch
Size: 110 * 110 * 57 mm (4.3 * 4.3 * 2.2 inch)
Weight: 420 g (15 oz)
Power: 240v ac or 12 dc or 24 dc
Life: 5 years
Model number: 550
Installation: 1 gang pattress box
Shut off valve (optional) Installation: in line - Requires CORGI registered fitter

Amos gas detectors have been used for many years in a wide range of applications where gas presents a risk to life or property. Our extensive experience in detector design and manufacture has made us the detector of choice for many councils, companies and housing associations.