RKI GX-Force Portable 4 Gas Detector

The GX-Force Portable 4 Gas Detector is a rugged and reliable device for monitoring LEL combustibles, O2, CO, and H2S. An internal sample pump, USB charging, and field-replaceable sensors make it a great choice for industrial and field applications.

 

• Versatile operating modes: Normal sample draw and leak check modes for efficient and accurate gas detection.
• Wide sample range: Features an internal sample pump of up to 100 feet for flexible and convenient gas monitoring of LEL combustibles, oxygen, carbon monoxide, and hydrogen sulfide.
• Long battery life: Up to 30 hours of operation on a single charge, thanks to the reliable lithium-ion battery.
• Convenient charging and data transfer: USB type-C connection for fast and easy charging and data transfer.
• Ergonomic design: Lightweight and easy to grip, with dimensions of 2.5" W x 6.81" H x 1.85" D and a weight of just 9.87 oz.
• Robust and reliable: IP67-certified water and dust-resistant design, with field-replaceable sensors and filters for extended use.
• Clear and easy-to-read display: Large LCD auto-backlit display for clear and accurate readings, even in low light conditions.
• Peace of mind: Comes with a three-year warranty for added confidence and assurance.

Sampling Method	Internal sample pump, flow rate nominal 0.5 LPM, includes a hydrophobic filter.
Suction Flow Rate	Minimum 0.35 L/min (open flow rate)
Gas Alarm Pattern	Lamp flashing, continuous modulating buzzer sounding, gas concentration display flashing, vibration.
Gas Alarm Reset Operation	Self-resetting or latching
Fault Alarm/Self-Diagnosis	System, clock, or sensor abnormality; battery voltage drop; calibration failure; pump abnormality; low flow rate
Fault Alarm Pattern	Lamp flashing, intermittent buzzer sounding, detail display
Fault alarm reset operation	Self-resetting
Display	LCD digital (7-segment + 14-segment + icons) with backlight
Individual Operations	Operational status, clock, battery level, peak reading, pump status, calibration notification
Sound Pressure	Approx. 90 dB (30 cm)
Data Logger Function	Maximum storage capacity: 3,600 items. Interval: 5 minutes (adjustable)
Communication Specifications	USB, 2.0 (for data logger) Connector: Type-C
Power Source	Rechargeable lithium-ion battery, USB Type-C power cord
Continuous Operating Time	Approx. 30 hours (25º C, fully charged, no alarm, no backlight)
Operating Ambient Temperature /Humidity Range	-20º C to +50º C (no sudden changes), 0 – 95 % RH (no condensation) (-4º F to +122º F)
Approvals	Intrinsically safe construction IECEx (Ex da ia IIC T4 Ga/Ex ia IIC T4 Ga) ATEX (II1G Ex da ia IIC T4 Ga/II1G Ex ia IIC T4 Ga)
Certifications	ATEX / IECEx, QPS (pending)
Protection Level	IP67 equivalent
External Dimensions / Weight	Approx. 2.52 (W) × 6.81 (H) × 1.85 (D) (excluding protrusions) / Approx. 9.87 oz.
Warranty	Three years of material and workmanship

 

Detection target gas	Combustible gas (CH4 or HC)	Oxygen (O2)	Carbon monoxide (CO)	Hydrogen sulfide (H2S)
Detection principle	Catalytic combustion	Electrochemical type
Detection range	0 – 100 % LEL	0.0 – 40.0 vol %	0 – 2,000 ppm	0.0 – 200.0 ppm
Resolution	1 % LEL	0.1 vol %	1 ppm	0.1 ppm
Alarm setpoints (User-defined setting)	1st alarm: 10 % LEL 2nd alarm: 25 % LEL 3rd alarm: 50 % LEL OVER alarm: 100 % LEL	L alarm: 19.5 vol % LL alarm: 18.0 vol % H alarm: 23.5 vol % OVER alarm: 40.0 vol %	1st alarm: 25 ppm 2nd alarm: 50 ppm 3rd alarm: 1200 ppm TWA alarm: 25 ppm STEL alarm: 200 ppm OVER alarm: 2,000 ppm	1st alarm: 5.0 ppm 2nd alarm: 30.0 ppm 3rd alarm: 100.0 ppm TWA alarm: 1.0 ppm STEL alarm: 5.0 ppm OVER alarm: 200.0 ppm
Response time (T90)	CH4: Within 30 seconds, HC: Within 40 seconds	Within 20 seconds	Within 30 seconds	Within 30 seconds