Datasheet Content
PRESSURE
SERIES 2000
MAGNEHELIC® DIFFERENTIAL PRESSURE GAGES
Indicate Positive, Negative or Differential, Accurate within 1% YEAR LIMITED
WARRANTY
RUBBER PRESSURE RELIEF PLUG
WILL UNSEAT ITSELF WHEN GAGE [3] 6-32 X 3/16 [4.76] DEEP
IS OVERPRESSURIZED HOLES EQUALLY SPACED ON
.025 [.64] SPACE CREATED BY 3 SPACER A Ø4-1/8 [104.78] BOLT CIRCLE
PADS WHEN SURFACE MOUNTED. FOR PANEL MOUNTING
DO NOT OBSTRUCT. PROVIDES PATH 17/32
FOR RELIEF OF OVERPRESSURE. [13.49] 1/8 FEMALE NPT
1/8 FEMALE HIGH PRESSURE
NPT HIGH CONNECTION
PRESSURE 1-3/4
1-1/4 [31.75] CONNECTION [44.45]
Ø4-1/2 1/8 FEMALE
[114.3] NPT LOW
PRESSURE 1/2
CONNECTION [12.70]
Ø4-3/4 15/32 [11.91]
[120.65] 1/8 FEMALE NPT LOW
1-11/16 [42.86] 7/16 [11.11] 11/16
[17.46] PRESSURE CONNECTION
17/32
Standard Magnehelic® gage [13.49] ø4-3/4 [120.65] 1/8 FEMALE NPT
1-1/4 PANEL CUTOUT HIGH PRESSURE
[31.75] CONNECTION
ø5
[127] 1-3/4
ø4-47/64 [44.45]
ø4-1/2 [120.27]
[114.3] 1/2
VIDEO ON
[12.70]
LINE
ø5-1/2 15/32 11/16 1/8 FEMALE
High Accuracy Magnehelic® gage [139.70] [11.91] 2-17/32 3/16 [17.46] NPT LOW
MOUNTING RING [64.29] [4.76] PRESSURE
Note: Shown with optional -SS bezel CONNECTION
Select the Series 2000 Magnehelic® Differential Pressure Gages for a versatile low SPECIFICATIONS
differential pressure gage with a wide choice of 81 models and 27 options to choose Service: Air and non-combustible, compatible gases (natural gas option available).
from. Using Dwyer’s simple, frictionless Magnehelic® gage movement, it quickly Note: May be used with hydrogen. Order a Buna-N diaphragm. Pressures must be
indicates air or non-corrosive gas pressures--either positive, negative (vacuum) or less than 35 psi.
differential. The design resists shock, vibration, over-pressures and is weatherproof Wetted Materials: Consult factory.
to IP67. Housing: Die cast aluminum case and bezel, with acrylic cover. Exterior finish is
Select the –HA High Accuracy Magnehelic® gage option for an accuracy within 1% coated gray to withstand 168 hour salt spray corrosion test.
Differential Pressure Gages
of full-scale. Also included with the –HA option at no extra cost are a mirrored scale Accuracy: ±2% (-HA model ±1) of FS (±3% (-HA ±1.5%) on -0, -100PA, -125PA,
overlay and a 6 point calibration certificate. -10MM and ±4% (-HA ±2%) on -00, -60PA, -6MM ranges), throughout range at 70°F
(21.1°C).
FEATURES/BENEFITS Pressure Limits: -20 in Hg to 15 psig (-0.677 to 1.034 bar); MP option: 35 psig
• Easy to read gage through undistorted plastic face permits viewing from far away (2.41 bar); HP option: 80 psig (5.52 bar).
• Patented design provides quick response to pressure changes means no delay in Enclosure Rating: IP67.
assessing critical situations Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard
• Durable and rugged housing and high-quality components combine to provide long- gages only.u
service life and minimized down-time Temperature Limits: 20 to 140°F* (-6.67 to 60°C). -20°F (-28°C) with low
• High accuracy option is twice as accurate as the standard Magnehelic® gage temperature option.
Size: 4˝ (101.6 mm) diameter dial face.
APPLICATIONS Mounting Orientation: Diaphragm in vertical position. Consult factory for other
• Filter monitoring position orientations.
• Air velocity with Dwyer pitot tube Process Connections: 1/8˝ female NPT duplicate high and low pressure taps - one
• Blower vacuum monitoring pair side and one pair back.
• Fan pressure indication Weight: 1 lb 2 oz (510 g), MP & HP 2 lb 2 oz (963 g).
• Duct, room or building pressures Standard Accessories: Two 1/8˝ NPT plugs for duplicate pressure taps, two
• Clean room positive pressure indication 1/8˝ pipe thread to rubber tubing adapter, and three flush mounting adapters with
screws. (Mounting and snap ring retainer substituted for three adapters in MP & HP
gage accessories.)
ACCESSORIES…
