Dwyer Instruments 476A Operating Manual

MODEL

MANOMETER

SINGLE

PRESSURE

®

476A-0

MADE IN

THE U.S.A.

ACCURACY

±1.5% FS

RUGGED

ALUMINUM

METAL

HOUSING

SELECTABLE

ENGINEERING

UNITS

RANGE

-20 TO 20
IN W.C.

TE-476A-0

SPECIFICATIONS
Service: Air and compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±1.5% full-scale* at 72°F (22.2°C). Includes linearity and repeatability.
Pressure Hysteresis: ±0.1% of full-scale.
Pressure Limits: 5 psig (.34 bar).
Temperature Limits: 0 to 140°F (-17.8 to 60°C).
Compensated Temperature Limits: 32 to 104°F (0 to 40°C).
Thermal Effect: 0.05% full-scale/°F.
Display: 4 digit LCD (.425˝H x .234˝W digits).
Power Requirements: 9 V alkaline battery, installed non-functional, user replaceable.
Process Connections: For use with 3/16˝ or 1/4˝ ID tubing.
Weight: 10.8 oz (306 g).
Agency Approvals: CE.

*When subjected to electromagnetic interference,
at 837 MHz (10 V/m) accuracy is 5.0% full scale.

MODEL CHART

Model Range in w.c.
476A-0 -20.0 to 20.0 .0498 0.723 1.471 4.98 20.00 37.4 49.8 508 0.02 5 psig

Available Pressure Units Resolution

in w.c.

Max.
Pressurebar psi in Hg kPa in w.c. mm Hg mbar mm w.c

OPERATING INSTRUCTIONS
ON/OFF:

Press ON/OFF to turn the unit on. Press and hold ON/OFF for about 2 seconds to turn it off. Device will automatically shut off
after 20 minutes if not in use.

ZERO:

Vent both pressure ports to atmosphere. Press ZERO button until the LCD displays “-----” then release it. The LCD reads 0 if the
zero offset is less than 10% of FS.

UNITS:

To change units, press both ON/OFF and ZERO buttons simultaneously.

BATTERY:

Remove retaining screws on end cap at base of instrument to replace battery when LOW BAT is displayed. Use 9 V alkaline battery

®

MN 1604, Eveready® 522, or equivalent.

Duracell

®

Duracell

®

Eveready

is a registered trademark of Eveready Battery Company, Inc.

DWYER INSTRUMENTS, INC. • MICHIGAN CITY, IN 46360
email: [e-mail] • http://www.dwyer-inst.com

is a registered trademark of The Gillette company.

443437-10 Rev. 4

Made in USA of U.S. & Imported Parts