Intrinsically safe for use with combustible gasesPositive, negative, or differential pressureLow ranges available (0-1” w.c.)High ranges available (0-150 psid)

• Perfect for HVAC technicians, plant engineers,or industrial hygienists - Field calibrations - Troubleshooting HVACV systems - Testing clean rooms - Checking duct static pressure - Air balancing - LP and Natural gas testing - Test and troubleshoot furnaces, boilers, or gas stoves• Use with a pitot tube for air velocity measurements (air velocity kit shown right) - Screen will display pressure which can be used to calculate velocity and flow

• FM approved Intrinsically safe for hazardous locations• Large, easy-to-read 4 digit LCD display• Press-to-Zero button• Powered by a user-replaceable 9V battery• Aluminum housing provides exceptional durability• Instructions printed on back housing for user convenience•• Optional carrying case with belt loop for extra protection and portability • Optional carrying case part number: A-402A

Service: Air and compatible, combustible gasesWhat it measures: positive, negative, or differential pressureRange: Ranges available from 1 in. w.c. up to 150 psidAvailable units: in. w.c., kPa (low range models) or psi, bar (high range models)Accuracy: +/- 0.5% full scale

Dwyer 475 Handheld Manometer