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The GX-Force can monitor the standard confined space gases (LEL combustibles, Oxygen, Carbon Monoxide, and Hydrogen Sulfide).
RKI’s smallest personal 1-4 gas monitor with a strong internal sample pump capable of a 100’ sampling range. Operates 30 hours on a Li-ion battery, and has a large LCD display showing all gas readings, battery level, current time and automatically backlights in alarm conditions. Standard alarm types include vibration, visual, and audible alarms, which can be set to latching or non-latching. Controlled by a microprocessor, the GX-Force continuously checks itself for sensor connections, low battery, circuit trouble, low flow, and calibration errors.
Standard 4 Gas Sensor
| Sampling Method | Internal sample pump, flow rate nominal 0.5 LPM, includes 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 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 |
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Features
- — Normal and Leak Check
- Internal sample pump with 100′ sample range
- 30 hours of operation (Lithium-ion battery)
- USB Type-C charging & data connection
- Easy to grip lightweight design
— 2.5″ W x 6.81″ H x 1.85″ D, 9.87 ounces
- Water and dust resistant design, IP67
- Field replaceable sensors & filters
- Impact resistant body
- Intrinsically safe
- Large LCD Auto-backlit display
- 3 Year warranty
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