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.
| Article number: | 72-FA-A-A10 |
| Availability: | Out of stock |
| Available in store: | Check availability |
- 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 (25 °C, fully charged, no alarm, no backlight) |
| Operating Ambient Temperature /Humidity Range |
-20 °C to +50 °C (no sudden changes), 0 – 95 % RH (no condensation) (-4 °F to +122 °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 |
Oxygen |
Carbon monoxide |
Hydrogen sulfide |
| Detection principle |
Catalytic combustion |
Electrochemical type |
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| 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 |
