Select the Dwyer Magnehelic gage for high accuracy - guaranteed within 2% of
Magnehelic
PHYSICAL DATA
Ambient temperature range: 20° to 140°F.* (-7° to 140°C)
Rated total pressure: -20" Hg. to 15 psig.† (-68 kPa to 103 kPa)
Overpressure: Relief plug opens at approximately 25 psig (172 kPa)
Connections: 1/8"' NPT female high and low pressure taps
duplicated - one pair side and one pair back.
Housing: Die cast aluminum. Case and aluminum parts
Iridite-dipped to withstand 168 hour salt spray test. Exterior
finish is baked dark gray hammerloid.
Accuracy: Plus or minus 2% of full scale (3% on - 0 and 4%
on - 00 ranges), throughout range at 70°F. (21°C)
Standard accessories: Two 1/8" NPT plugs for duplicate
pressure taps, two 1/8" pipe thread to rubber tubing adapter
and three flush mounting adapters with screws. (Mounting and snap
ring retainer substituted for 3 adapters in MP & HP gage accessories.)
Weight: 1 lb. 2 oz. (460 g)
* Low temperature models available as special option.
† For applications with high cycle rate within gage total pressure rating next
higher rating is recommended. See Medium and High pressure options
lower left.
OPTIONS AND ACCESSORIES
Transparent overlays
Furnished in red and green to highlight and emphasize critical pressures.
Adjustable signal flag
Integral with plastic gage cover; has external reset screw. Available for
most ranges except those with medium or high pressure construction. Can be
ordered with gage or separately.
LED Setpoint Indicator
Bright red LED on right of scale shows when setpoint is reached. Field adjustable from
gage face, unit operates on 12 - 24 VDC Requires MP or HP style cover and bezel.
Portable units
Combine carrying case with any Magnehelic gage of standard range (not high pressure)
includes 9 ft. (2.7 m) of 3/16" I.D. rubber tubing, stand-hang bracket, and terminal tube
with holder.
Air filter gage accessory package
Adapts any standard Magnehelic for use as an air filter gage. Includes aluminum surface
mounting bracket with screws, two 5 ft. (1.5 m) lengths of ¼" aluminum tubing, two static
pressure tips and two molded plastic vent valves, integral compression fittings on both
tips and valves.
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