Applications for Fieldpiece Instruments' model ADMN2 Dual Port Manometer Accessory head include heating, gas, zone dampers, duct blockage and blower set-up. It has the ranges to measure gas pressure and the resolution needed to measure static pressure. Use the ADMN2 to make sure the conditioned space has a positive pressure, keeping combustion products out. The ADMN2 easily snaps onto any Fieldpiece "stick meter", and can be used as a stand-alone manometer when connected wiht the Fieldpiece EHDL1 Electronic Accessory Handle. It can be used with most DMMs when connected with the AHDL1 accessory head handle. $124.95 trade price. www.fieldpiece.com or 714/257-9060 — Fieldpiece Instruments