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ACME Engineering Twinset Stand-Alone Gas Monitor


The Acme TwinSet and its microprocessor-based system features a high quality stand-alone controller providing all the necessary hardware for the continuous monitoring of two gases in the following combinations: CO/CO, CO/CO2, CO/ NO2, CO/COMB. This unit is primarily geared towards providing alarm activated relays for simple applications such as small parking garages.

The TwinSet employs the best sensing technologies available: electrochem and pellistor (catalytic combustion) cells . These quality components provide virtually instantaneous detection of targeted gasses and deliver long-term trouble-free operation. The main body of the TwinSet Gas Monitor detects carbon monoxide build up, while the remote sensor monitors either CO, NO2 or a combustible

Installed within the monitored space, the TwinSet monitors targeted gas concentration rates and automatically operates the mechanical ventilation system of a facility. Upon detection of low levels of hazardous and flammable gases the ventilation system is energized, thereby protecting occupants, personnel and gas-sensitive goods and products.

The TwinSet contains all the wellknown standard features of ACME’s gas detection line; a robust enclosure, the latest sensing technologies and state-ofthe-art electronics.



  • High-accuracy Electrochemical Cell sensor for toxic gases and Catalytic (Pellistor) for flammables
  • 3 or 4-stage SPDT relay outputs with LED status indicators
  • NEMA 3 Robust Enclosure
  • Microprocessor-based control
  • 10-Step Bar-Graph Display of gas levels
  • Programmable time delays to avoid nuisance alarms
  • Optional 4-20mA, 0-1V DC, 0-5 V DC or 0-10V DC analog output
  • Optional remote sensor