The Dwyer Instruments 475-1-FM is a handheld digital manometer designed for accurate pressure measurement with a range of 0 to 20.00 inches water column. Its compact, portable design makes it ideal for HVAC technicians, maintenance professionals, and field service applications requiring reliable differential pressure readings.
Built to handle a maximum pressure of 10 PSI, this unit delivers precision readings in a rugged, easy-to-use handheld form factor. It is well-suited for measuring duct static pressure, filter resistance, gas pressure, and other low-pressure applications in industrial and MRO environments.