Product overview: RIKEN KEIKI CX-04 gas monitor
The RIKEN KEIKI CX-04 gas monitor is a reliable and compact device designed for accurate detection of carbon monoxide in industrial and commercial environments. In addition, it offers real-time monitoring with high sensitivity, allowing users to identify hazardous gas levels quickly. Moreover, the device uses advanced sensor technology to provide stable and precise readings, ensuring dependable performance during safety checks. As a result, professionals can respond to potential risks more effectively. Furthermore, the RIKEN KEIKI CX-04 gas monitor features a clear digital display along with audible and visual alarms for immediate alerts when gas levels exceed safe limits. Consequently, it enhances workplace safety and reduces the risk of exposure 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 accurate and efficient gas monitoring solutions.
Specification
| Sampling method | Diffusion type/Double type |
| Principle of detection | Potentiostatic Electrolysis Method |
| Detection range | CO：0 to 500 ppm（Display range 0 to 300 ppm / 300 to 2000 ppm） O2：0.0 to 25.0 vol%（0.0 to 40.0 vol%） |
| Alarm setpoints | CO : 1st 25 ppm 2nd 50 ppm 3rd 1200 ppm TWA 25 ppm STEL 200 ppm OVER 2000 ppm O2 : L 18.0 vol% LL 18.0 vol% H 25.0 vol% OVER 40.0 vol% |
| 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 equivalent |
| 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. 4600 hours (AAA alkaline) Approx. 3000 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) |
