Products Description
Oldham BM25 Portable Multi Gas Area Monitor Unit

Feature & Principle
This area gas monitor adopts replaceable intelligent gas sensors. It continuously samples the ambient gas concentration, triggers audible and visual alarm when exceeding threshold. Built-in data logger records TWA, STEL and concentration history. It can work independently or be linked in series to transmit alarm signals for regional safety perimeter monitoring.
Specifications
Model: BM25 Brand: Oldham Detectable gas: O2, combustible gas, various toxic gases, max 5 sensors Detection mode: Diffusion / pump sampling Alarm: 103dB sound + flashing light Data logging: Long-term record function Power supply: NiMH rechargeable battery Certification: ATEX, IECEx Application: Zone 1 / 2 hazardous area
Components & Diagnostics
Main circuit board, interchangeable gas sensors, audible visual alarm module, battery pack and gas sampling port. Common faults: sensor drift, sensor poisoning, battery aging, alarm failure and data recording abnormality.
Product Brief
BM25 gas detector, Oldham portable gas instrument spare widely used for petrochemical, oil & gas, tank overhaul and confined space regional gas monitoring.