AGDS-M Four Channel Gas Detection System
The AGDS-M is a gas detection system designed for environmental monitoring within boiler rooms, cellars, gas stores and areas with a risk of gas escape or build-up.

The AGDS-M is a gas detection system for the monitoring of common gases.
Providing gas monitoring within boiler rooms, cellars, gas stores and areas with a risk of gas escape or build-up. Up to four Medem detectors for the detection of natural gas, LPG, carbon monoxide, carbon dioxide and oxygen depletion can be connected.
In the event of a high alarm from one of the detectors, the system can activate a relay, beacon or sounder. Low alarm indication is also given.
Features
The OLED will display appropriate information about alarm situations and detector status.
Panel controls include ‘Mute’, ‘Reset’. There are two change over mains rated relays which can be used to activate a beacon/sounder, a fan or signal to a BMS system.
Each relay is able to be set to report one of the below statuses:
- Generic Alarm
- Low Alarm
- High Alarm
- Detector Fault
Product Features
- Gas detection (1-4 detectors)
- Multiple different gas types
- Clear OLED display
- Settable SELV relay (Low/High Alarm, Detector Alert, EM stop & Gas On conditions)
- Engineer functions
Gas Detectors
The panel can monitor up to 4 detectors directly.
The current range is:


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AGDS-M Four Channel Gas Detection System
Specifications
| Power | 230 VAC – 3 amp fused spur. |
| Product Dimensions | 180mm x 130mm x 60mm |
| Weight | |
| Temperature Range | -5° to 55°C. |
| Humidity | 20% to 90%RH Non-Condensing. |
| Ingress Protection | IP64 |
| Housing Material | ABS Plastic |
| Colour | Grey |
| Mounting | Wall Mount |
| Sensors | Pellistor, Toxic, Oxygen, NDIR. |
| Outputs & Connections | 2x Potential free change over relays. (Mains rated) |
| 1x 12volt supply rails. |
Alarm Types
Fixed low and high alarm peak levels, high alarm activation will latch and isolate the connected gas valve.
Low & High Alarms
Methane/Natural Gas (CH4) & Propane (C3H8)
- 5% Low alarm
- 10% High alarm
Carbon Monoxide (CO)
- 20PPM Low Alarm
- 30PPM High Alarm
Carbon Dioxide (CO2) – Selectable
- 2800PPM
- 5000PPM
Oxygen (O2) Depletion
- 19.5% Pre Alarm
- 18% Full Alarm
AGDS-M Four Channel Gas Detection System Manuals
Product and Installation Guides
AGDS-M Four Channel Gas Detection System 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 commission 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-M Four Channel Gas Detection System Image Gallery






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