Dwyer instruments, inc – Dwyer DH3 User Manual

Page 20

MSP1

and

MSP2

(Maintenance Set Point 1 & 2) SUB MENUS

Adjust for the desired maintenance set points when the unit is placed in the
maintenance mode. The deadband is fixed at 2% of full scale. To enter or
leave the maintenance mode, press and hold the for 8 seconds.

ZERO

and

SPAN

(Calibration of Zero and Span) SUB MENUS

The lower display reads

CAL

in this mode.

ZERO

Calibration

NOTE: For accurate calibration, DO NOT apply any pressure when
performing this function.

With the display reading

ZERO

, press the ENTER key. The upper display will

blink. Press ENTER again to complete the zeroing of the instrument or press
the

key to cancel.

SPAN

Calibration

With the display set to

SPAN

, apply full scale pressure to the unit. Press the

ENTER key. The upper display will blink. Press ENTER again to complete the
calibration or press the

key to cancel.

SP/AL

Printed in U.S.A. 2/12

FR# 443555-00 Rev.3

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, IN 46360, U.S.A.

Fax: 219/872-9057 e-mail: [email protected]

This manual is related to the following products:

AT2DH3