Product overview: RIKEN KEIKI CO-04C gas monitor
The RIKEN KEIKI CO-04C gas monitor is a compact and high-performance device designed for accurate carbon monoxide detection in industrial and commercial environments. In addition, it provides real-time monitoring with high sensitivity, allowing users to detect harmful gas levels quickly. Moreover, the device uses advanced sensor technology to deliver stable and precise readings, ensuring reliable performance during safety inspections. As a result, professionals can identify potential hazards early and take immediate action. Furthermore, the RIKEN KEIKI CO-04C gas monitor features a clear digital display along with audible and visual alarms for instant alerts when gas levels exceed safe limits. Consequently, it enhances workplace safety and reduces risks in confined spaces. At the same time, its lightweight and ergonomic design ensures easy handling during extended use. Therefore, it is an ideal choice for technicians, engineers, and safety professionals who require dependable gas monitoring solutions.
Specification
| Sampling method | Diffusion type/Single type |
| Principle of detection | Potentiostatic Electrolysis Method |
| Detection range | 0 to 500 ppm（Display range 0 to 300 ppm / 300 to 2000 ppm） |
| Alarm setpoints | 1st 25 ppm 2nd 50 ppm 3rd 1200 ppm TWA 25 ppm STEL 200 ppm OVER 2000 ppm |
| Type of alarm | Gas alarm / fault alarm |
| Display of alarm | Flashing lamp / intermittent buzzer sounding / gas concentration display blinking / vibration |
| Explosion protected construction | Intrinsic safety |
| Explosion-proof class | IECEx : Ex ia ⅡC T4 Ga (AAA alkaline), Ex ia ⅡC T3 Ga (Ni-MH) ATEX : Ⅱ1G Ex ia ⅡC T4 Ga (AAA alkaline), Ⅱ1G Ex ia ⅡC T3 Ga (Ni-MH) |
| Ingress proof rating | IP66/67 (currently under testing) |
| Approvals | Japan Ex, ATEX, IECEx, China Ex |
| CE marking | EMC / ATEX / RoHS |
| Power source | AAA alkaline or Ni-MH (eneloop) batteries (x2) |
| Continuous operation | Approx. 6200 hours (AAA alkaline) Approx. 4200 hours (Ni-MH) |
| Dimensions | Approx. 54 (W) x 67 (H) x 24 (D) mm (excluding projections) |
| Weight | Approx. 93g |
| Operating temperature range | -40℃ to +60℃ (no sudden changes) (Approx. 15-minute temporry use environment: -20℃ to +50℃[no sudden changes]) |
| Operating humidity range | 0 to 95%RH (no condensation) (Approx. 15-minute temporry use environment: 10 to 90%RH[no condensation]) |
| Operating pressure range | 80 to 120 kPa (80 to 110 kPa for explosion-proof range) |
