The Ashcroft CXLdp low differential pressure transmitter can be used to monitor static and differential pressure in HVAC ductwork for comfort control systems. Units are available in ranges from 0/0.1 through 0/25 inH₂O and in accuracies of ۪.8 and 0.4 percent FS. A small fire-retardant housing and multiple mounting options allow the unit to be quickly mounted on ducts, in panels, or inside the plenum mount conduit kit. With a convenient detachable terminal block electrical connector, the unit can be installed without power interruption. Features include an LED status light; a choice of DIN rail, plenum, or conduit mounting; a CE EMI/RFI immunity rating; and a UL 94-5VA flammability rating. NIST traceability certification is also available.