Magnehelic Gauge By Spectrum Enterprises Instruments & Controls

1a 8" female NPT high and low pressure taps, duplicated a one pair side and one pair back.
4" Dial
SPECIFICATIONS
Service: Air and non-combustible, compatible gases (natural gas option available).
Wetted Materials: Consult factory.
Housing: Die cast aluminum case and bezel, with acrylic cover. Exterior finish is
coated gray to withstand 168 hour salt spray corrosion test.
Accuracy: A 2% of full scale (A 3% on - 0, -100 Pa, -125 Pa, 10MM and A 4% on - 00,
-60 Pa, -6MM ranges), throughout range at 70A F (21.1A C).
Pressure Limits: -20E Hg to 15 psiga (-0.677 to 1.034 bar); MP option: 35 psig
(2.41 bar); HP option: 80 psig (5.52 bar).
Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard
gages only. See Overpressure Protection Note on next page.
Temperature Limits: 20 to 140A F* (-6.67 to 60A C).
Size: 4E (101.6 mm) diameter dial face.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other
position orientations.
Process Connections: 1/8E female NPT duplicate high and low pressure taps - one
pair side and one pair back.
Weight: 1 lb 2 oz (510 g), MP & HP 2 lb 2 oz (963 g).
Standard Accessories: Two 1/8E NPT plugs for duplicate pressure taps, two 1/8E
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.)