High-accuracy manometer helps check equipment

The series 477A hand-held digital manometer from Dwyer Instruments contains a differential pressure sensor that offers a 0.1% full scale accuracy on air ranges from 20 in. w.c. up to 100 psid. Designed for maintenance technicians, the instrument features selectable engineering units, audible and visual overpressure alarms, 9-V battery operation, storage of up to 20 readings, auto-zero and backlighting for enhanced visibility.

ITM Instruments