Description
RKI Instruments CO-04 CO Single Gas Monitor 0-2000 ppm
The RKI Instruments CO-04 (Part No. 73-0065) is a personal carbon monoxide single-gas monitor designed for continuous portable gas detection in hazardous and industrial environments. Utilizing an electrochemical sensor with a 0 to 2000 ppm measuring range, the monitor features diffusion sampling, multiple alarm types, field-replaceable sensors and filters, IP67 environmental protection, and intrinsic safety approvals for hazardous locations.
Key Features
- 🔍 Carbon monoxide (CO) detection from 0 to 2000 ppm
- 🔍 Electrochemical sensing technology
- 🔍 Diffusion sampling operation
- 🔍 User-adjustable alarm settings
- 🔍 Audible, visual, and vibration alarms
- 🔍 Automatic backlight during alarm conditions
- 🔍 Field-replaceable sensor and filter design
- 🔍 IP67 impact, dust, and water-resistant construction
- 🔍 Powered by two AAA alkaline batteries
- 🔍 Alligator clip with 360° rotation
- 🔍 Data logging capability
- 🔍 Intrinsically safe for hazardous locations
Benefits
- ✅ Provides continuous personal monitoring for carbon monoxide exposure
- ✅ Long operating life reduces maintenance frequency
- ✅ Multiple alarm methods improve worker awareness
- ✅ Compact pocket-sized design enhances comfort during use
- ✅ Easily serviced in the field without specialized tools
- ✅ Suitable for demanding industrial and outdoor environments
- ✅ Supports safety compliance programs through recorded data logs
Specifications
| Brand | RKI Instruments |
| Model | CO-04 |
| Part Number | 73-0065 |
| Product Type | Single Gas Personal Monitor |
| Target Gas | Carbon Monoxide (CO) |
| Detection Principle | Electrochemical |
| Detection Range | 0 to 2000 ppm |
| Resolution | 1 ppm |
| Sampling Method | Diffusion |
| Response Time | T90 in 30 seconds |
| Accuracy | 0-500 ppm: ±5% of reading or ±5 ppm; 510-2000 ppm: ±20% of reading |
| Display | Digital LCD |
| Alarms | Audible, visual and vibration |
| Default Alarm Points | 25 ppm, 50 ppm, 1200 ppm, TWA 25 ppm, STEL 200 ppm |
| Battery Type | 2 × AAA alkaline batteries |
| Continuous Operation | Up to 3000 hours |
| Ingress Protection | IP67 |
| Dimensions | 2.1 in × 2.6 in × 0.9 in (53 × 67 × 24 mm) |
| Weight | 2.8 oz (approximately 79 g) |
| Included Accessories | Alligator clip and alkaline batteries |
| Safety Classification | Intrinsically Safe |
How to Use
- Install the supplied AAA alkaline batteries.
- Press the Power/Mode button to switch on the monitor.
- Allow the instrument to complete its startup sequence.
- Attach the monitor within the breathing zone using the rotating alligator clip.
- Monitor the displayed CO concentration during use.
- Follow site safety procedures immediately if an alarm activates.
- Perform bump testing and calibration according to company procedures and manufacturer recommendations.
⚠️ The CO-04 is intended for personal carbon monoxide monitoring and must not be used without proper bump testing, calibration, and battery maintenance to ensure accurate readings.
Customer Reviews
⭐⭐⭐⭐⭐ “Reliable carbon monoxide monitor with excellent battery life and clear alarms.” — Michael S.
⭐⭐⭐⭐⭐ “Simple to operate and rugged enough for demanding industrial work.” — Brandon S.
⭐⭐⭐⭐⭐ “Compact, lightweight, and easy to carry throughout a full shift.” — Kevin S.
FAQs
Q: What gas does this monitor detect?
A: It is specifically designed to detect carbon monoxide (CO).
Q: What is the measuring range?
A: The instrument measures CO concentrations from 0 to 2000 ppm.
Q: Is the sensor replaceable?
A: Yes, the sensor and filters are field replaceable.
Q: What alarms are included?
A: Audible, visual, and vibration alarms are provided as standard.
Q: Can it be used in hazardous areas?
A: Yes, it carries ATEX, IECEx, and intrinsic safety approvals for hazardous locations.
Q: Does it record data?
A: Yes, the monitor includes data logging functionality.
Q: Is it resistant to water and dust?
A: Yes, it is rated IP67.
Industries & Applications
- ⛏️ Mining operations
- 🛢️ Refineries and petrochemical facilities
- 💧 Water and wastewater treatment plants
- ⚗️ Chemical processing facilities
- 💊 Pharmaceutical manufacturing
- ⚡ Utilities and energy operations
- 🚒 Fire services and emergency response
- ☣️ Hazardous materials teams
Compliance & Certifications
- ✔️ ATEX Certified
- ✔️ IECEx Certified
- ✔️ Intrinsically Safe
- ✔️ QPS Certified to U.S. and Canadian hazardous location standards
- ✔️ Approved for Class I, Division 1, Groups A, B, C and D atmospheres
- ✔️ IP67 ingress protection rating
The RKI CO-04 is a proven solution for professionals requiring dependable personal carbon monoxide monitoring. Its rugged construction, long operating life, field-serviceable design, and hazardous-area approvals make it an excellent choice for industrial safety programs and worker protection applications.
