GN803 Handheld Combustible Gas Detector

Check for combustible-gas indications during equipment maintenance with the GN803 handheld detector. Its sensor, visual bar and audible alert help you follow the response as you compare inspection points.

✅ Focus follow-up checks where the response changes - The handheld sensor lets you compare gas indications at different points during an inspection.

✅ Notice an alert while looking at the inspection area - A beep accompanies the visual indication, reducing the need to watch the display continuously.

✅ Take the detector between inspection positions without a power lead - Two AAA batteries power the unit independently of a wall socket.

Bring a Dedicated Gas Check to Your Maintenance Kit

The GN803 needs approximately 30 seconds to warm up before a check. Account for that preparation when starting the job, rather than expecting the sensor to provide an immediate reading.

Once prepared, the visual bar gives you a reference to compare across inspection points. The audible signal adds a cue when an alert occurs, so the two indications serve different purposes during the check.

Technical details

• GN803; semiconductor gas sensor
• Methane detection range: 300-10,000ppm
• Two AAA batteries required, not included
• Follow the supplied operating instructions
• Not a CO alarm or replacement for fixed gas alarms; never use to assess safe entry

Add a dedicated combustible-gas detector to your maintenance toolkit.