Dwyer 668D-05-1 is a compact differential pressure transmitter ideal for air and non-conductive gases. It operates in a temperature range of 0 to 170°F and offers an accuracy of ±0.8% FS. It requires 12 to 32 VDC for power and features multiple electrical output options. This transmitter has a pressure limit of 15 psig and a process connection of 3/16" OD barbed brass. Its enclosure is made of stainless steel and PC+ABS alloy, ensuring durability. It also has zero and span adjustments accessible under the small terminal cover. With a thermal effect of ±0.03% FS/°F, it offers reliable and precise measurement.