The AMN2 manometer from Fieldpiece Instruments, Inc. (Fullerton, CA) measures gas and static pressure. When used with the company's digital multimeter, measurement of gas pressures up to 20 in. wc with a resolution to 0.1 in. wc are possible. In static pressure mode, the unit is designed to measure up to 2 in. wc with resolution to 0.010 in. wc.