DATEL, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151

Tel: (508) 339-3000

(800) 233-2765

Fax: (508) 339-6356

Internet: www.datel.com

Email: sales@datel.com

Data sheet fax back: (508) 261-2857

DATEL (UK) LTD. Tadley, England Tel: (01256)-880444

DATEL S.A.R.L. Montigny Le Bretonneux, France Tel: 01-34-60-01-01

DATEL GmbH München, Germany Tel: 89-544334-0

DATEL KK Tokyo, Japan Tel: 3-3779-1031, Osaka Tel: 6-354-2025

DATEL 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. The DATEL logo is a registered DATEL, Inc. trademark.

®®

ISO 9001

ISO 9001

REGISTERED

DS-0271B 1/98

DMS-20PC

3 ½

DIGIT , LED

DISPLA Y

DIGIT AL

P ANEL V O L TMETERS

FRONT VIEW

DP1

DP2

DP3

PIN #1

IDENTIFIER

+5V SUPPLY

DISPLAY ENABLE

5V RETURN

DP3

DP2

DP1

1

2

3

4

5

6

(–) INPUT LO

(+) INPUT HI

ANALOG COMMON

DISPLAY TEST/HOLD

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.

0.475 (12.07)

0.040

(1.02)

1.30

(33.0)

1.38

(35.1)

0.88

(22.4)

0.170

(4.32)

0.150

(3.81)

PIN 1

0.125 (3.175) DIAMETER

(USE ONLY WHEN

PC BOARD MOUNTING)

CALIBRATION POTENTIOMETER HOLE LOCATION

Mechanical Specifications

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)

#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)

BEZEL INSTALLATION

BEZEL

PANEL

RETAINING CLIP INSTALLATION

PANEL