RIKEN KEIKI CO-04 Portable Gas Monitor

04 series

Features

Single-component portable gas monitor with long
continuous operating time
Incorporates durable new R sensor with advanced functions

Target gas

Product Datasheet

Category: Gas Detector

Description
Brand

Product overview: RIKEN KEIKI CO-04 gas monitor

The RIKEN KEIKI CO-04 gas monitor is a compact and reliable device designed for accurate carbon monoxide detection in industrial and commercial environments. In addition, it provides real-time monitoring with high sensitivity, helping users detect dangerous gas levels quickly. Moreover, the device uses advanced sensor technology to deliver precise and stable readings, ensuring dependable performance during safety inspections. As a result, users can identify potential hazards early and take immediate action. Furthermore, the RIKEN KEIKI CO-04 gas monitor features a clear digital display along with audible and visual alarms for instant alerts when gas levels exceed safe limits. Consequently, it improves workplace safety and reduces risk in confined spaces. At the same time, its lightweight and ergonomic design allows easy handling during extended use. Therefore, it is an ideal choice for technicians, engineers, and safety professionals who require accurate and efficient gas monitoring.

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. 9000 hours (AAA alkaline) Approx. 6000 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)

Brand

RIKEN KIEKI, JAPAN

Riken Keiki Gas Detection Equipment Pakistan

Riken Keiki Gas Detection Equipment Pakistan provides advanced safety solutions for detecting hazardous gases in industrial environments. The globally recognized brand Riken Keiki develops reliable gas detection instruments used by engineers, safety professionals, and industrial technicians. In Pakistan, Sarwar Electronics deals in Riken Keiki products and supplies professional gas monitoring solutions for different industries. These instruments help organizations detect gas leaks early and maintain safe working conditions.

About Riken Keiki Japan

Riken Keiki Co., Ltd. is a well-known manufacturer of industrial gas detection and monitoring systems. The company designs advanced sensors that help detect toxic, combustible, and oxygen-deficient environments. Because safety is critical in industrial facilities, Riken Keiki equipment provides reliable gas monitoring technology. Moreover, the instruments combine advanced sensors with durable construction, ensuring dependable performance in demanding workplaces.

Riken Keiki Product Range

Riken Keiki manufactures a wide range of gas detection devices designed for safety monitoring and industrial applications. Popular product categories include:

Portable gas detectors
Fixed gas detection systems
Multi-gas monitoring instruments
Toxic gas detection devices
Industrial gas safety monitoring systems

These devices allow technicians to monitor gas levels continuously and respond quickly to potential hazards.

Applications of Gas Detection Systems

Many industries depend on reliable gas detection technology to maintain safe operations. Common applications include:

Oil and gas facilities
Chemical processing plants
Power generation stations
Industrial manufacturing environments
Environmental safety monitoring

With accurate detection systems, organizations can reduce risks and improve workplace safety.

Reliable Gas Detection Solutions in Pakistan

In Pakistan, Sarwar Electronics supplies professional gas monitoring solutions for industrial safety applications. Engineers and safety managers rely on these instruments to detect hazardous gases and protect workers. With decades of innovation and engineering expertise, Riken Keiki continues to provide trusted gas detection technology used in industries worldwide.