Dwyer CMS300 SKU: CMS300 $165.56 $197.10 (0)No Reviews yet Quantity -+ Add to Shopping Cart In Factory Stock Details Dwyer CMS300 : Carbon Monoxide Transmitter and Switch, 0 to 300 PPM CO, 4-20mA / 2-10VDC Output Data Sheet Installation Instructions DetailsData SheetInstallation Instructions Back Dwyer CMS300 : Carbon Monoxide Transmitter and Switch, 0 to 300 PPM CO, 4-20mA / 2-10VDC Output Back Back Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review