The RKI Instruments 72-5442RK Gas Detector is a robust, multi-gas monitoring solution engineered for demanding industrial environments. This advanced gas detector allows simultaneous detection of up to six different gases, providing comprehensive safety coverage in confined spaces, wastewater treatment, and other hazardous areas. With a wide array of field-proven sensors, including infrared (IR) options for CO2 and methane, the 72-5442RK delivers accurate and reliable readings.
Key Features & Highlights
- Simultaneous detection of up to 6 gases – Customize sensor configuration to meet specific monitoring needs.
- Wide variety of field-proven gas sensors – Choose from electrochemical, catalytic, and infrared sensors for target gases.
- IR sensors available for CO2, % LEL CH4, and 0-100% volume CH4 – Ideal for methane-rich environments.
- PPM/LEL hydrocarbon detection – Sensitive detection for low-level leaks.
- Powerful long-life pump with 125-foot range – Effective for remote sampling.
- Low flow pump shut off and alarm – Prevents inaccurate readings and protects the pump.
- Methane elimination switch – For environmental use where methane interference is a concern.
- Security adjustment lockout switch – Prevents unauthorized calibration changes.
- Up to 30 hours of continuous operation – Extended battery life for long shifts.
- Alkaline or Ni-Cad capability – Flexible power options.
- Ergonomic RFI/EMI/chemical resistant case – Durable and reliable in harsh conditions.
Applications
The RKI Instruments 72-5442RK is suitable for a wide range of applications, including confined space entry, wastewater treatment plants, oil and gas facilities, chemical plants, and environmental monitoring. Its multi-gas capability and robust design make it a trusted choice for safety professionals.





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