The RKI Instruments 72-5461RK is a robust multi-gas detector designed for demanding industrial environments. With the ability to simultaneously detect up to six different gases, this instrument provides comprehensive monitoring for worker safety and environmental compliance. Its powerful long-life pump extends sampling range up to 125 feet, while the low-flow pump shutoff and alarm ensure reliable operation. The unit features a methane elimination switch for environmental applications and a security adjustment lockout to prevent unauthorized changes. Built to withstand harsh conditions, the ergonomic case is resistant to RFI, EMI, and chemicals, ensuring durability in the field.
Key Features & Highlights
- Simultaneous detection of up to 6 different gases
- Wide variety of field-proven gas sensors available
- IR sensors available for CO2, % LEL CH4, and 0-100% volume CH4
- PPM / LEL hydrocarbon detection capability
- Powerful long-life pump with 125-foot range
- Low flow pump shut off and alarm for safety
- Methane elimination switch for environmental use
- Security adjustment lockout switch to prevent tampering
- Up to 30 hours of continuous operation
- Alkaline or Ni-Cad battery capability
- Ergonomic RFI/EMI/chemical-resistant case
Applications
This gas detector is suitable for confined space entry, industrial hygiene surveys, environmental monitoring, and emergency response. Its multi-gas capability and rugged design make it a reliable choice for oil and gas, chemical plants, wastewater treatment, and other industries where hazardous gases may be present.




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