Key facts
- Brand
- GFG
- Model
- GMA 313
- Category
- Health Care
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-26
Start here
GfG GMA 313 CO2 Gas Monitor Operation Manual
The GfG GMA 313 is a compact CO2 gas monitor designed for continuous ambient air monitoring. It uses infrared detection for accurate CO2 measurement and provides audible and visual alarms when thresholds are exceeded. The unit includes a relay output and can be adjusted for alarm levels using a calibration adapter. It requires a 30-minute warm-up period before operation and must be mounted approximately 12 inches from the floor to ensure proper gas detection.
Maintenance and inspection are recommended annually to maintain accuracy, and the device is protected against water and dust (IP54). Optional accessories include a remote reset unit and mounting brackets. The device operates on 110V and is designed for safe installation and operation by qualified personnel only.
All GfG GMA 313 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How long does the GMA 313 need to warm up before it can detect CO2?
The GMA 313 requires a 30-minute warm-up period before it can detect CO2.
How do I adjust the alarm thresholds?
Use the calibration adapter to supply a test gas concentration (1.5% or 3% Vol. CO2), then press buttons “T” and “Q” to enter service mode and adjust the thresholds.
How long does the GMA 313 need to warm up before operation?
The GMA 313 requires a 30-minute warm-up period before it can detect CO2 concentrations.
How do I reset the alarm?
Press the reset button “Q” to reset the alarm. The buzzer can be reset at any time by pressing “Q”.