RKI CO-04 Carbon Monoxide Single Gas Personal Gas Detector, 0-2000 ppm Range

RKI CO-04 Carbon Monoxide Single Gas Personal Detector – 0-2000 PPM CO Monitor

The RKI CO-04 Carbon Monoxide Single Gas Detector is engineered to provide reliable personal protection against hazardous carbon monoxide exposure in industrial and confined space environments. Designed with a compact lightweight profile, replaceable electrochemical sensor, and rugged IP67-rated construction, the CO-04 delivers dependable portable gas monitoring performance for workers operating in hazardous atmospheres.

Featuring a wide 0-2000 PPM carbon monoxide detection range, the CO-04 combines long operating life, field-serviceable components, and triple alarm functionality into one durable personal gas monitor. Its compact pocket-sized design and rotating alligator clip make it ideal for construction, utilities, oil & gas, manufacturing, wastewater treatment, and confined space entry applications.

Key Features & Benefits

• Detects carbon monoxide (CO) concentrations from 0-2000 PPM for industrial safety applications

• Compact lightweight design weighs only 2.8 ounces for comfortable all-day wear

• Replaceable electrochemical sensor and filters help extend service life and reduce maintenance costs

• Triple alarm system includes audible, visual, and vibration alerts for hazardous gas exposure

• IP67-rated housing resists dust, water, and harsh industrial environments

• Operates continuously for up to 9,000 hours on two AAA alkaline batteries

• Automatic backlight improves visibility in low-light work areas

• Rugged protective rubber boot enhances impact resistance and durability

• Rotating alligator clip allows flexible attachment to clothing and PPE

• Intrinsically safe design approved for hazardous industrial environments

• Pocket-sized monitor easily fits within worker breathing zones for accurate monitoring

• Three-year warranty supports long-term industrial reliability

Ideal Applications

• Confined Space Entry
• Oil & Gas Operations
• Utilities & Municipal Services
• Industrial Manufacturing
• Wastewater Treatment Plants
• Fire & Emergency Response
• Construction & Infrastructure
• General Workplace Gas Monitoring

Why Choose the RKI CO-04 Gas Detector?

The RKI CO-04 is trusted by industrial safety professionals because it combines rugged durability, long operational life, and accurate carbon monoxide detection into one compact personal gas monitor. Unlike disposable detectors that require full replacement, the CO-04 features replaceable sensors and filters that help reduce long-term operating costs while extending product lifespan.

Its IP67-rated housing and triple alarm system make it ideal for demanding industrial environments where dependable gas monitoring is critical for worker safety. Combined with over one year of continuous operation on standard alkaline batteries, the CO-04 helps reduce downtime and maintenance interruptions.

Product Specifications

Brand: RKI Instruments
Model: CO-04
Product Type: Single Gas Personal Monitor
Gas Detected: Carbon Monoxide (CO)
Measurement Range: 0-2000 PPM
Sensor Type: Electrochemical
Battery Type: (2) AAA Alkaline Batteries
Operating Time: Up to 9,000 Hours
Alarm Types:
• Audible
• Visual
• Vibration

Ingress Protection:
• IP67 Dust & Water Resistant

Weight:
• 2.8 oz

Dimensions:
• 2.1 in (W) x 2.6 in (H) x 0.9 in (D)

Features:
• Replaceable Sensors
• Replaceable Filters
• Automatic Backlight
• Rotating Alligator Clip
• Protective Rubber Boot

Compliance:
• Intrinsically Safe
• ATEX Approved
• c/US Approved

Warranty:
• 3 Years

Applications:
• Personal Gas Detection
• Industrial Safety
• Confined Space Monitoring
• Workplace Carbon Monoxide Protection