Dwyer HP MODEL - Manual

Magnehelic ® Differential Pressure Gage
High and Medium Pressure
Specifications — Installation and Operating Instructions
Bulletin A-27-HP-MP
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
©Copyright 2010 Dwyer Instruments, Inc. Printed in U.S.A. 7/10 FR# 12-440212-01 Rev.11
SPECIFICATIONS
HP MODEL
For maximum internal pressures to 80 psig on one or both sides
of diaphragm in all standard Magnehelic
® ranges. Cover is clear
cast acrylic machined to finish dimensions.
MP MODEL
For maximum internal pressures to 35 psig on one or both sides
of diaphragm in all standard Magnehelic
® ranges. Cover is clear
molded polycarbonate.
BOTH MODELS
Accuracy: Plus or minus 2 percent of full scale, at 70 degrees
fahrenheit.
Ambient Temperature Range: 20 degrees to 140 degrees
fahrenheit.
Leak check, no bubbles while immersed in water, for 1 minute
using air at rated maximum internal pressure.
Bezel, die cast aluminum.
Case, impregnated die cast aluminum.
Mounting: Same as standard model gage, except for size of hole
in panel for flush mounting. See Bulletin A-27. Will not fit into
portable carrying case.
Connections: 1/8˝ NPT high and low pressure taps, duplicated,
one pair side and one pair back.
Accessories: Mounting ring, bezel snap ring, (2) 1/8˝ N.P.T. pipe
plugs, (2) l/8˝ NPT x 1/4˝ compression fittings, (4) 6-32 x 2˝ RH
machine screws.
Weight: 2 Ibs. 4 oz.
CAUTION: For use with air or compatible gases only. For
repetitive over-ranging or high cycle rates, refer to factory.
A-27-HP-MP:A-27-HP-MP 7/16/10 9:45 AM Page 1