MECHANICAL SPECIFICATIONS

BEZEL INSTALLATION AND RECOMMENDED DRILL AND PANEL CUTOUT

DMS-20LCD Series

3½ Digit, LCD Display Digital Panel Voltmeters

www.murata-ps.com

Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other

technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply

the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without

notice.

© 2008 Murata Power Solutions, Inc.

USA:

Mansfield (MA), Tel: (508) 339-3000, email: sales@murata-ps.com

Canada:

Toronto, Tel: (866) 740-1232, email: toronto@murata-ps.com

UK:

Milton Keynes, Tel: +44 (0)1908 615232, email: mk@murata-ps.com

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Montigny Le Bretonneux, Tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com

Germany:

München, Tel: +49 (0)89-544334-0, email: munich@murata-ps.com

Japan:

Tokyo, Tel: 3-3779-1031, email: sales_tokyo@murata-ps.com

Osaka, Tel: 6-6354-2025, email: sales_osaka@murata-ps.com

China:

Shanghai, Tel: +86 215 027 3678, email: shanghai@murata-ps.com

Guangzhou, Tel: +86 208 221 8066, email: guangzhou@murata-ps.com

Singapore:

Parkway Centre, Tel: +65 6348 9096, email: singapore@murata-ps.com

Murata Power Solutions, Inc.

11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.

Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356

www.murata-ps.com email: sales@murata-ps.com ISO 9001 and 14001 REGISTERED

10/23/08

MPM_DMS20lcd.B03 Page 6 of 6

MECHANICAL DIMENSIONS: Inches (mm)

TOLERANCES: 2 PL DEC ±0.02 (±0.51)

3 PL DEC ±0.010 (±0.254)

LEAD DIMENSIONS: 0.025 (0.635) x 0.025 (0.635) NOMINAL

RECOMMENDED PC BOARD FINISHED HOLE DIAMETER:

0.042 ±0.003 (1.067 ±0.076)

FRONT VIEW

DP1

DP2

DP3

PIN #1

IDENTIFIER

+5V SUPPLY/ +BATTERY

N.C.

5V RETURN/ –BATTERY

DP3

DP2

DP1

1

2

3

4

5

6

(–) INPUT LO

(+) INPUT HI

ANALOG COMMON

N.C./BACKLIGHT

REFERENCE OUT

REFERENCE IN

12

11

10

9

8

7

0.80

(20.3)

0.15

(3.8)

TYP.

0.50

(12.7)

0.10

(2.5)

TYP.

0.040

(1.02)

0.040

(1.02)

1.10

(27.9)

0.10

(2.5)

TYP.

0.25

(6.4) TYP.

0.425

(10.80)

0.040

(1.02)

1.30

(33.0)

1.38

(35.1)

0.88

(22.3)

0.160

(4.06)

0.160

(4.06)

PIN 1

CALIBRATION POTENTIOMETER HOLE LOCATION

0.125 (3.175) DIAMETER

(USE ONLY WHEN PC

BOARD MOUNTING)

BEZEL INSTALLATION

BEZEL

PANEL

#2-56 INSERT

0.156 (3.96) DEEP

FRONT VIEW

1.280

(32.51)

0.187

(4.75)

OPTIONAL BEZEL (DMS-BZL3 and DMS-BZL4)

RECOMMENDED DRILL AND PANEL CUTOUT DIMENSIONS

1.826 (46.38)

0.838

(21.29)

1.336 (33.93)

1.626 (41.30)

1.07

(27.18)

INTERNAL CORNER RADII:

0.032 (0.81) MAX.

0.145

(3.68)

0.093 (2.362) DIAMETER (4 REQUIRED)

ONLY WHEN USING OPTIONAL BEZEL ASSEMBLY

0.116

(2.95)

RETAINING CLIP INSTALLATION

PANEL