The GX-3R Pro redefines portable gas detection, offering unparalleled functionality in a compact device that fits in the palm of your hand. Weighing just 4.58 ounces, this monitor is the world’s smallest 5-gas detector, making it an essential tool for professionals in hazardous environments. With its robust features, customizable configurations, and user-friendly design, the GX-3R Pro is the ultimate solution for personal and workplace safety.
Why Choose the GX-3R Pro?
Compact and Lightweight Design
- At just 2.9” W x 2.6” H x 1.06” D, the GX-3R Pro is small enough to carry effortlessly, ensuring convenience during extended use.
- Weighing only 4.58 ounces, it offers unmatched portability without compromising functionality.
Simultaneous 5-Gas Monitoring
- Capable of simultaneously detecting and displaying 5 gases, the GX-3R Pro is perfect for confined spaces, refineries, and more.
- Standard gases include:
- LEL (combustible gases)
- Oxygen (O2)
- Carbon Monoxide (CO)
- Hydrogen Sulfide (H2S)
- A 5th channel allows the addition of specialty sensors, such as:
- Hydrogen Cyanide (HCN)
- Nitrogen Dioxide (NO2)
Interchangeable Sensors
- Two of the four sensor slots are interchangeable, enabling flexible configurations.
- Sensors can be swapped in the field, adapting the device for specific applications.
Cutting-Edge Features
- Bluetooth Connectivity: Enables wireless communication with iOS and Android devices via the RK Link app, providing remote monitoring and data access.
- Man-Down Alarm: Alerts others if a user becomes incapacitated, enhancing worker safety.
- Non-Compliance Indicator: Visual alerts notify users of overdue calibration, missed bump tests, or alarm events, promoting safety and compliance.
- Long Battery Life: Lithium-ion batteries offer up to 25 hours of continuous operation and recharge fully in just 3 hours.
Built for Rugged Environments
The GX-3R Pro is engineered to perform in harsh conditions:
- Dust and Water Resistant (IP66/68): Can withstand submersion up to 2 meters for 1 hour.
- Drop-Resistant: Survives drops from up to 23 feet.
- Wide Operating Range: Functions between -20°C to +50°C with a non-condensing humidity range of 10-90%.
Applications
The GX-3R Pro is ideal for industries requiring reliable gas detection, including:
- Confined Space Entry
- Oil and Gas
- Refineries and Petrochemical Plants
- Utilities and Construction
- Water/Wastewater Management
- Fire Services
Accessories and Add-Ons
Standard Accessories
- Alligator Clip
- Protective Rubber Boot
- Charger
- Calibration Adapter
RP-3R Sample Draw Pump
- Converts the GX-3R Pro from diffusion to sample-draw operation for specific applications.
Data Logging and Reporting
- Stores up to 600 hours of data, including user and station IDs, calibration history, and alarm trends.
- Logging intervals:
- 10 seconds: 10 hours of data
- 5 minutes: 300 hours of data
- 10 minutes: 600 hours of data
Specifications
| Gas | Detection Range | Alarm Set Points |
|---|---|---|
| Carbon Monoxide (CO) | 0-2000 ppm | A1: 25 ppm, A2: 50 ppm, A3: 1200 ppm, WA: 25 ppm, STEL: 200 ppm |
| Hydrogen Sulfide (H2S) | 0-200 ppm | A1: 5 ppm, A2: 30 ppm, A3: 100 ppm, TWA: 1.0 ppm, STEL: 5.0 ppm |
| Combustible Gases | 0-100% LEL | A1: 10% LEL, A2: 25% LEL, 3rd: 50% LEL, Over:100% LEL |
| Oxygen (O2) | 0-40% vol | Low 1: 19.5%, Low 2: 18.0%, High: 23.5%, Over: 40.0% |
| Hydrogen Cyanide (HCN) | 0-30 ppm | A1: 5 ppm, A2: 10 ppm, A2: 35.0 ppm TWA: 0.30 ppm, A3: 300.0 ppm |
| Nitrogen Dioxide (NO2) | 0-20 ppm | A1: 2.00 ppm, A2: 4.00 ppm, A3: 20.00 ppm, TWA: 0.20 ppm, STEL: 1.00 ppm |
| Phosphine (PH3) | 0-20 ppm | A1: 0.30 ppm, STEL: 1.0 ppm, A2: 0.60 ppm, TWA: 0.30 ppm, A3: 0.60 ppm |
| Sulfur Dioxide (SO2) | 0-100 ppm | A1: 2 ppm, A2: 5 ppm, A3: 100 ppm, TWA: 0.25 ppm, STEL: 0.25ppm |
| Carbon Dioxide (CO2) | 0-10% Vol 0-10000 ppm | A1: 0.50% Vol., A2: 3.00% Vol., A3: 4.00% Vol., TWA: 0.50% Vol., STEL: 3.00% Vol. A1: 5,000 ppm, A2: N/A, TWA: N/A, STEL: N/A |
Your Reliable Safety Partner
With its combination of advanced features, rugged design, and compact size, the GX-3R Pro is a game-changer in portable gas detection. Whether you need it for confined spaces, industrial safety, or environmental monitoring, this device offers precision, durability, and convenience.
You can find this product here: https://www.gas-sensing.com/gx-3r-pro-gas-detector.html#2174=




