MC-711 Carbon Monoxide Monitor
Carbon Monoxide (CO) contamination of supplied air systems in healthcare facilities can occur primarily by the release of internal combustion engine exhaust into the vicinity of the air compressor inlet.
The monitoring of compressed air for carbon monoxide is of vital importance to insure a safe air supply.
The MC-711 is a reliable and economical monitoring device for wall mounting and is contained in a powder coated dust proof steel NEMA 12 enclosure. Dimensions are 4'x6"x3" with a hinged/locked door.
The concentration of CO in parts per million (ppm) is digitally displayed and visible through the door window. A pilot and alarm light are visible through a second window. Alarm conditions in excess of 10ppm are signaled by the red alarm light and by an audible tone generator on the top face. Detection is by an electrochemical sensor that is specific to CO, with interference only from hydrogen and hydrogen sulfide. The sensor typically lasts for about two years and is easily replaced with a screwdriver.
Two power choices are available:
- 1. A 115 AC with a 3-wire cord and grounding plug. The AC voltage is converted to 12VDC by means of an internal regulated encapsulated power supply.
- 2. 12VDC with a 2-wire cable for connecting to any available 12V source, current drawn is less than 20mA.
The microprocessor-controlled electronic circuit is field-proven over several years and many thousands of units, however, it can easily be removed and replaced as a plug-in device if any problem should arise.
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