Honeywell Series 3000 MkII Gas Detector Transmitter, with aluminum housing (optional stainless steel) for monitoring CARBON MONOXIDE (CO) with electrochemical sensor, 2-wire 4-20 mA loop, LCD Display, 0-300ppm, user adjustable (100 to 999ppm, 100ppm increments) Available Approvals UL Class I, Div 1 & 2, ATEX Zone 0 and IECEx.
