The RKI Instruments 72-5503RK-01 is a versatile gas detector designed for simultaneous detection of up to six different gases. This robust instrument is part of RKI’s Environmental Testing range, offering reliable performance in demanding industrial environments. With a wide selection of field-proven sensors, including infrared (IR) options for CO2, % LEL CH4, and 0-100% volume CH4, the 72-5503RK-01 adapts to various monitoring needs.
Key Features & Highlights
- Simultaneous detection of up to 6 gases
- Wide variety of field-proven gas sensors available
- IR sensors for CO2, % LEL CH4, and 0-100% volume CH4
- PPM/LEL hydrocarbon detection capability
- Powerful long-life pump with 125 range
- Low flow pump shut off and alarm
- Methane elimination switch for environmental use
- Security adjustment lockout switch
- Up to 30 hours of continuous operation
- Alkaline or Ni-Cad battery capability
- Ergonomic RFI/EMI/chemical resistant case
Applications
The RKI Instruments 72-5503RK-01 is suitable for a wide range of applications, including industrial hygiene, confined space entry, environmental monitoring, and safety compliance. Its multi-gas detection capability and robust design make it an essential tool for professionals in oil and gas, chemical, and utility industries.





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