AGDS-4 4 channel Gas Detection System with valve control
The AGDS-4 is a four-channel gas detection system designed for use in boiler houses and plant rooms. Up to 4 low voltage sensors for the detection of natural gas, LPG or carbon monoxide can be connected to the panel.

Four channel gas detection system
The AGDS-4 is a four-channel gas detection system designed for use in boiler houses and plant rooms. Up to 4 low voltage sensors for the detection of natural gas, LPG or carbon monoxide can be connected to the panel.
Auto isolate/close
In the event of a high alarm from one of the sensors, the system will isolate/close any connected valve. A low alarm indication is also given.
Remote emergency stop buttons can be fitted and a fire alarm connected to close the gas valve when activated.
Two change over relays for remote indications or connection to a BMS system.
Product Features
- Compact
- 1 to 4 detectors
- Quick to install
- Settable SELV relay (Low Alarm, Detector Alert, EM stop & Gas On conditions)
- Latching high alarm. (Adjustable time to latch)
- EM stop
- Fire Alarm and thermal link monitoring
- Panel mounted Emergency Stop Button
- High alarm relay for use with BMS systems or remote indicators


AGDS-4 4 channel Gas Detection System with Valve Control
Product Dimensions
180mm x 130mm x 70mm
Gas Detection
The panel can except a maximum of four detectors. The current range is:
Methane/Natural Gas (CH4), Propane (C3H8), Carbon Monoxide (CO).
Alarm Types
Fixed low and high alarm peak levels, high alarm activation will latch and isolate the connected gas valve.
Peak Alarms
Methane/Natural Gas (CH4) & Propane (C3H8)
- 5% low alarm
- 10% high alarm
Carbon Monoxide (CO)
- 80PPM Low Alarm
- 100PPM High Alarm
AGDS-4 4 channel Gas Detection System with Valve Control Manuals and Standards
Product and Installation Guides
Related Standards
AGDS-4 4 channel Gas Detection System with Valve Control Warranty and Service

All our products come with a 5-year warranty
Medem’s industry leading five-year warranty is a demonstration of the company’s confidence in the quality and design of its products.
This applies to the main panels and sender units, gas detectors carry a 2-year warranty.

Why not let us install your system and receive a 10-year Warranty?
Where we’ve commissioned an installed system, the warranty is extended from five to ten years. At the time of commissioning, photos and gas pressure readings are recorded along with other relevant details of the installation. A 24-hour helpline number and the serial number is attached with the panel and all details are then entered on to the Medem database.
Service
The panel and sensors must be re-commissioned and tested every 12 months as a minimum but with consideration of every 6 months dependant on gas type and environment. Medem offers cost-effective yearly service plan options which include detector exchange to assist in service budgeting
AGDS-4 4 channel Gas Detection System with Valve Control Image Gallery


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