The RKI Instruments 72-5128RK Gas Detector is a versatile and robust solution for detecting hydrocarbons in a wide range of industrial and environmental applications. Engineered for precision and durability, this portable gas detector delivers accurate PPM/LEL measurements, ensuring safety and compliance in demanding work environments.
Key Features & Highlights
- PPM/LEL Hydrocarbon Detection: Provides accurate measurement of hydrocarbon concentrations in both parts per million (PPM) and lower explosive limit (LEL) ranges.
- Methane Elimination Switch: For environmental use, this switch allows selective detection by eliminating methane interference, enhancing accuracy in mixed-gas environments.
- Adjustment Lockout Switch: Prevents tampering, preserving the integrity and safety of the device.
- Auto Calibration & Single Gas Calibration: Simplifies routine maintenance and ensures reliable performance.
- Rugged Enclosure: Ergonomic polycarbonate and polyester housing is resistant to RFI, EMI, chemicals, and weather, and can operate in rain or up to 2 inches of water.
- Datalogging Capabilities: Records data for research, evaluation, and analysis of worksite atmospheres.
- Long Battery Life: Up to 30 hours of continuous operation with alkaline or Ni-cad batteries.
- Formidable Pump System: Long-life pump (approx. 6,000 hours) reaches up to 125 feet with filters, and features low flow pump shut off and alarm.
- Fast Response & Alarms: Response time up to 30 seconds for most gases, with dual audible (85 dB) and visual alarms (dual high-intensity LEDs and flashing display).
Applications
This gas detector is ideal for confined space entry, environmental monitoring, industrial hygiene, and safety inspections in industries such as oil and gas, chemical processing, wastewater treatment, and utilities. Its rugged design and advanced features make it a reliable choice for professionals who require accurate hydrocarbon detection in challenging conditions.
Each unit includes a shoulder strap, a hydrophobic probe, a 5-foot hose, and alkaline batteries, ready for immediate use.





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