Description
RKI GX-3R Pro Gas Detector Kit with Pump & Bluetooth
The RKI GX-3R Pro is an ultra-compact portable 5-gas detector designed for confined space entry, industrial safety, utilities, marine operations, manufacturing, and hazardous work environments. This kit combines the GX-3R Pro gas monitor with the RP-3R Pro motorized sampling pump, allowing both personal diffusion monitoring and remote sampling. The detector can simultaneously monitor combustible gases (LEL), oxygen (O₂), carbon monoxide (CO), hydrogen sulfide (H₂S), and one additional compatible toxic or infrared sensor.
Key Features
- ✅ Simultaneous monitoring of up to 5 gases
- ✅ Bluetooth wireless communication with compatible iOS and Android applications
- ✅ Built-in Man Down alarm function
- ✅ Built-in Panic alarm function
- ✅ Large auto-rotating backlit display
- ✅ Field-replaceable sensors and filters
- ✅ IP66/IP68 water and dust resistant construction
- ✅ Rechargeable lithium-ion battery operation
- ✅ Tool-free compatibility with the RP-3R Pro motorized sampling pump
- ✅ Audible, visual, and vibration alarm notifications
- ✅ Data logging of operational and alarm events
- ✅ Compact palm-sized design for personal monitoring
Benefits
- 🛡️ Enhances worker safety in hazardous atmospheres
- 📱 Allows wireless monitoring and alarm notification via Bluetooth
- 🚶 Lightweight design improves all-day wearing comfort
- 🔧 Simplifies maintenance with field-replaceable sensors and filters
- 🌧️ Suitable for demanding outdoor and industrial environments
- 🚨 Provides multiple alarm methods for rapid hazard awareness
- 📊 Maintains records of alarm, calibration, and operational events
- 🧪 Supports both personal diffusion monitoring and remote gas sampling
Specifications
| Brand | RKI Instruments |
| Model | GX-3R Pro with RP-3R Pro Pump |
| Product Type | Portable Multi-Gas Detector Kit |
| Gas Capacity | Up to 5 gases simultaneously |
| Standard Gases | LEL, O₂, CO, H₂S |
| Optional Gas Sensors | HCN, NH₃, NO₂, PH₃, SO₂, CO₂ |
| Sampling Method | Diffusion monitoring and pump-assisted sampling |
| Connectivity | Bluetooth wireless communication |
| Display | Auto-backlit auto-rotating display |
| Alarms | Audible, visual, vibration, STEL, TWA, Man Down, Panic, overscale |
| Battery Type | Rechargeable lithium-ion battery |
| Battery Runtime | Approximately 25 hours |
| Charge Time | Approximately 3 hours |
| Ingress Protection | IP66/IP68 |
| Operating Temperature | -20°C to +50°C continuous operation |
| Operating Humidity | 10% to 90% RH non-condensing |
| GX-3R Pro Dimensions | 73 mm × 65 mm × 26 mm |
| GX-3R Pro Weight | Approximately 120 g to 129 g depending on configuration |
| RP-3R Pro Pump Hose Length | 20 ft |
| RP-3R Pro Probe Length | 10 in |
| Pump Flow Rate | 0.5 L/min normal mode, 0.35 L/min ECO mode |
| Approvals | ATEX, IECEx |
| Warranty | 3 Years |
How to Use
- Fully charge the GX-3R Pro before initial use.
- Perform required bump testing and calibration according to site procedures.
- Power on the detector and verify all sensors are operating correctly.
- Attach the RP-3R Pro pump when remote sampling is required.
- Allow the instrument to sample the target atmosphere.
- Monitor gas readings and alarm indications.
- Exit or control the hazardous area immediately if alarm thresholds are reached.
⚠️ Improper use, calibration, or maintenance of the gas monitor can result in incorrect readings and may lead to serious injury or death.
Size Chart
| Component | Dimensions / Weight |
| GX-3R Pro | 73 mm × 65 mm × 26 mm; approximately 120–129 g |
| RP-3R Pro Pump | 20 ft hose with 10 in sampling probe |
⭐⭐⭐⭐⭐ “Extremely compact and easy to carry all shift. Bluetooth monitoring works very well.” — Pieter S.
⭐⭐⭐⭐⭐ “The pump kit is excellent for confined space checks before entry.” — Johan M.
⭐⭐⭐⭐⭐ “Reliable alarms and easy sensor maintenance. Great safety investment.” — Lerato S.
FAQs
What gases can the GX-3R Pro monitor? The instrument monitors LEL combustible gases, oxygen, carbon monoxide, hydrogen sulfide, and one additional compatible toxic or infrared sensor.
Can the detector be used without the pump? Yes. Diffusion monitoring is standard, while the RP-3R Pro allows remote sampling.
Does it support Bluetooth communication? Yes. Bluetooth communication is built into the GX-3R Pro and works with compatible mobile applications.
Are the sensors replaceable? Yes. Sensors and filters are field-replaceable.
What alarm methods are provided? The unit provides audible, visual, vibration, Panic Alarm, Man Down Alarm, STEL, TWA, and overscale alarms.
Is the detector suitable for harsh environments? Yes. The unit is rated IP66/IP68 for dust and water resistance.
How long does the battery operate? The rechargeable lithium-ion battery provides approximately 25 hours of operation after a full charge.
Industries & Applications
- ⛽ Oil and Gas
- ⛏️ Mining
- 🏭 Manufacturing
- ⚗️ Chemical Processing
- 🚰 Wastewater Treatment
- 🚢 Marine Operations
- 🚒 Fire and Rescue
- ⚡ Utilities
- 🏗️ Construction
- 📦 Industrial Maintenance
- 🕳️ Confined Space Entry
- 🌍 Environmental Monitoring
Compliance & Certifications
- ✅ ATEX Approved
- ✅ IECEx Approved
- ✅ IP66/IP68 Ingress Protection
The RKI GX-3R Pro Gas Detector Kit delivers advanced multi-gas monitoring, Bluetooth connectivity, rugged environmental protection, and remote sampling capability in an exceptionally compact package. It is a professional solution for safety-critical gas monitoring where reliability, portability, and rapid hazard detection are essential.