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-0291C 01/02
DMS-20LCD
3 ½
DIGIT ,
LCD
DISPLA Y DIGIT A L P ANEL
VOL TMETERS
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)
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
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