Description
Compact Safety for Hazardous Environments
The RKI Instruments GP-03 Gas Monitor (Part No. 72-0037) is a compact personal single-gas monitor designed to detect combustible hydrocarbons from 0-100% LEL. Built for use in hazardous environments, this intrinsically safe monitor combines pocket-sized portability, IP-67 protection, long battery life, and multiple alarm methods to help provide continuous personal gas monitoring in demanding industrial applications.
Key Features
- ✅ Detects combustible hydrocarbons from 0-100% LEL
- ✅ Catalytic combustion sensing technology
- ✅ Pocket-sized design measuring 54 x 67 x 24 mm
- ✅ Lightweight construction at approximately 80 g
- ✅ Operates up to 35 hours on alkaline batteries or 30 hours on Ni-MH batteries
- ✅ Audible, visual and vibration alarm system
- ✅ User-adjustable gas alarm settings
- ✅ Peak Hold, STEL and TWA functions
- ✅ Data logging with adjustable intervals up to 300 hours
- ✅ Automatic LCD backlight during alarms
- ✅ IP-67 impact, dust and water resistance
- ✅ Replaceable rubber protective boot
- ✅ Field-replaceable sensor
- ✅ Intrinsically safe ATEX/IECEx and CSA classified design
Benefits
- 🛡️ Provides continuous personal protection against combustible gas hazards
- 🔋 Long operating time helps reduce battery replacement frequency during shifts
- 📢 Multiple alarm methods help improve hazard awareness in noisy environments
- 📊 Built-in data logging assists with monitoring and record keeping
- 🧰 Field-replaceable sensor helps simplify maintenance
- 🌧️ Rugged IP-67 housing withstands harsh industrial conditions
- 👕 Compact form factor fits comfortably on work clothing and PPE
- 🏭 Suitable for a wide range of hazardous industrial applications
Specifications
| Brand | RKI Instruments |
| Model | GP-03 |
| Part Number | 72-0037 |
| Product Type | Combustible Single Gas Monitor |
| Gas Detected | Combustible Hydrocarbons |
| Detection Principle | Catalytic Combustion |
| Detection Range | 0-100% LEL |
| Resolution | 1% LEL Increments |
| Gas Sampling | Diffusion |
| Response Time | T90 in 30 Seconds |
| Accuracy | ±5% of Reading or ±2% |
| Battery Type | 2 x AAA Alkaline or Ni-MH Rechargeable |
| Battery Life | 35 Hours (Alkaline), 30 Hours (Ni-MH) |
| Dimensions | 54 x 67 x 24 mm |
| Weight | 80 g |
| Ingress Protection | IP-67 |
| Alarm Methods | Audible, Visual and Vibration |
| Display | Digital LCD with Automatic Backlighting During Alarm |
| Data Logging | 5 to 300 Hours Adjustable |
| Sensor Life Expectancy | Over 2 Years |
| Compatibility | Sensor Interchangeable with GX-2009 and GX-2012 |
| Certifications | ATEX/IECEx Approved, CSA Classified Intrinsically Safe |
| Warranty | 2 Years |
| Individual Pack | GP-03 Monitor, Alligator Clip, Alkaline Batteries |
How to Use
- Install the approved batteries and power on the monitor.
- Allow the instrument to complete its startup sequence.
- Attach the unit to clothing or PPE using the alligator clip.
- Monitor the LCD display for combustible gas readings.
- Respond immediately to any visual, audible or vibration alarm according to site safety procedures.
- Perform calibration and bump testing according to your facility’s gas detection program.
⚠️ The GP-03 is designed for detection of combustible hydrocarbons and must not be relied upon for oxygen deficiency or toxic gas monitoring.
⭐⭐⭐⭐⭐ “Compact, dependable and easy to carry throughout long shifts.” — James S.
⭐⭐⭐⭐⭐ “The vibration alarm is very noticeable even in noisy work areas.” — Linda S.
⭐⭐⭐⭐⭐ “Excellent battery performance and rugged construction.” — Michael S.
FAQs
What gases does the GP-03 detect? It is designed to monitor combustible hydrocarbons and displays readings from 0-100% LEL.
How does the monitor sample gas? The instrument uses diffusion sampling for continuous atmospheric monitoring.
What alarm methods are provided? Audible, visual and vibration alarms are included as standard.
Can the sensor be replaced? Yes. The combustible gas sensor is field-replaceable and interchangeable with sensors used in the GX-2009 and GX-2012.
How long does the sensor last? The LEL sensor has a life expectancy of more than two years under normal conditions.
Is the monitor suitable for hazardous areas? Yes. The GP-03 is classified as intrinsically safe and carries ATEX/IECEx approval and CSA classification.
What information can be logged? The instrument records gas readings, alarms, alarm trends, calibration history, bump test history, settings and instrument information.
Is the monitor water resistant? Yes. The GP-03 carries an IP-67 rating for dust and water resistance.
Industries & Applications
- ⛏️ Mining
- 🛢️ Refineries and Petrochemical Facilities
- ⚗️ Chemical Plants
- 🚒 Fire Services
- ☣️ Hazardous Materials Response
- ⚡ Utilities
- 💧 Water and Wastewater Operations
- 🏭 Industrial Maintenance
- 🏗️ Confined Space Monitoring Programs
Compliance & Certifications
- ✅ ATEX Approved
- ✅ IECEx Approved
- ✅ CSA Classified Intrinsically Safe
- ✅ Class I, Division 1, Groups A, B, C and D Atmospheres
- ✅ IP-67 Environmental Protection
Choose the RKI Instruments GP-03 when dependable combustible gas monitoring, rugged durability and intrinsically safe operation are required. Its compact size, proven sensor technology and advanced alarm system make it a practical solution for professionals working in hazardous environments.
