Description
Protect your team from multi-gas hazards with the GfG G999S 4 Gas Detector with Integrated Sampling Pump. This portable monitor detects up to O2, CH4, CO, and H2S—making it ideal for natural gas pipelines, biogas plants, sewers, and confined space entry. The integrated pump reaches inaccessible areas up to 100 meters away, while flexible sensor slots let you customize detection ranges from 0–100% LEL to 0–10,000 ppm. Certified for Ex zone 1 with IP67 protection, the rubberized polycarbonate housing withstands harsh conditions. Three-button operation, 180° rotatable display, and Ex-proof flashlight ensure usability in any environment. Triple-alarm system—light, vibration, and 103 dB buzzer—alerts workers instantly. Ten-hour battery life powers extended operations. Includes calibration cap, charging cradle, power adapter, sample probe, and tubing.
Key Features:
- Leak measurement / Sniffer modes
- Leakage detection
- LEL monitoring
- % volume measurement
- Personal protection
- Analyzing confined spaces
Included with Monitor:
- Calibration cap
- Charging cradle
- Wall power adapter
- Integrated pump
- Sample probe and tubing
Product Number:
G999S-310102000010
Read more
Description
Protect your team from multi-gas hazards with the GfG G999S 4 Gas Detector with Integrated Sampling Pump. This portable monitor detects up to O2, CH4, CO, and H2S—making it ideal for natural gas pipelines, biogas plants, sewers, and confined space entry. The integrated pump reaches inaccessible areas up to 100 meters away, while flexible sensor slots let you customize detection ranges from 0–100% LEL to 0–10,000 ppm. Certified for Ex zone 1 with IP67 protection, the rubberized polycarbonate housing withstands harsh conditions. Three-button operation, 180° rotatable display, and Ex-proof flashlight ensure usability in any environment. Triple-alarm system—light, vibration, and 103 dB buzzer—alerts workers instantly. Ten-hour battery life powers extended operations. Includes calibration cap, charging cradle, power adapter, sample probe, and tubing.
Key Features:
- Leak measurement / Sniffer modes
- Leakage detection
- LEL monitoring
- % volume measurement
- Personal protection
- Analyzing confined spaces
Included with Monitor:
- Calibration cap
- Charging cradle
- Wall power adapter
- Integrated pump
- Sample probe and tubing
Product Number:
G999S-310102000010
Protect your team from multi-gas hazards with the GfG G999S 4 Gas Detector with Integrated Sampling Pump. This portable monitor detects up to O2, CH4, CO, and H2S—making it ideal for natural gas pipelines, biogas plants, sewers, and confined space entry. The integrated pump reaches inaccessible areas up to 100 meters away, while flexible sensor slots let you customize detection ranges from 0–100% LEL to 0–10,000 ppm. Certified for Ex zone 1 with IP67 protection, the rubberized polycarbonate housing withstands harsh conditions. Three-button operation, 180° rotatable display, and Ex-proof flashlight ensure usability in any environment. Triple-alarm system—light, vibration, and 103 dB buzzer—alerts workers instantly. Ten-hour battery life powers extended operations. Includes calibration cap, charging cradle, power adapter, sample probe, and tubing.
Key Features:
- Leak measurement / Sniffer modes
- Leakage detection
- LEL monitoring
- % volume measurement
- Personal protection
- Analyzing confined spaces
Included with Monitor:
- Calibration cap
- Charging cradle
- Wall power adapter
- Integrated pump
- Sample probe and tubing
Product Number:
G999S-310102000010
Specifications
Specifications
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MPN
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Reviews
Reviews
Keep your team protected & compliant!
- Expert guidance tailored to your specific needs
- Access responsive customer support when you need it
- Enjoy fast shipping directly to your location
- Benefit from extensive industry knowledge—75+ years of experience
- In-house gas detection calibration & repair services available

