DATEL, Inc., Mansfield, MA 02048 (USA)
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356
E-mail: sales@datel.com
Internet: www.datel.com
DMS-3019X Series
Alternate Source for DP-650
Series, 3 Digit, LCD Display
Digital Panel Voltmeters
Figure 1. DMS-3019X Simplified Schematic
Features
Replaces DP-650, DP-652 and
DP-654 meters
Connects directly to existing wiring
Available in three input ranges:
200mV, 2V and 20V
Low power consumption
Wider operating temperature
range (0 to +60C)
Rugged, epoxy-encapsulated
plastic packages
Large (0.4"/10.2mm) LCD displays
Made in the USA!
DATEL's new DMS-3019X Series, 3 Digit, LCD Display, Digital Panel Voltmeters
provide DP-650 users with a superior-quality alternate source. The DMS-3019X
Series input/output connector is pin-compatible with nearly all DP-650 applications.
Only minor sheet-metal modifications are needed to attain all the advantages offered
by the DMS-3019X Series digital voltmeters.
Three differential, high-impedance, input voltage ranges are available: 200mV
(DMS-30193), 2V (DMS-30194) and 20V (DMS-30195). Provisions are also
included for the addition of custom input-scaling resistors -- a feature found only on
DMS-3019X meters. Autozero calibration, autopolarity changeover and a factory-
calibrated ultra-stable reference circuit are standard. A reliable, epoxy-encapsulated
DMS-30LCD digital voltmeter, with large (0.4"/10.2mm) LCD digits, is used in all three
models. All internal and external connections are 100% soldered -- no elastomeric
connectors are used.
The DMS-3019X Series offers many noteworthy improvements over its competi-
tors: wider operating temperature range, lower power consumption and higher input
impedance, to name a few. And, most importantly, all DATEL digital panel meters are
designed and manufactured in the USA!
Actual Size
GAIN
ADJUST
(+) INPUT HI
() INPUT LO
DISPLAY TEST
V+
R3
DP 1
DP 2
DP 3
6
5
4
7
8
1
3
DC/DC
CONVERTER
DP COM
+5V
5V
+5V
1.23V
REF.
R4
+2.0V
DATA
909k
V+
V
A/D
CONVERTER
0 Vdc
0.01F
R4 is not used on the 200mV or 2V models.
R4 = 100k on the 20V model.
R1 and R2 are user supplied.
2
GND
R1
R2
9
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
Typical Single-ended Connections
Electrical Specifications
Typical at T
A
= +25C and supply voltage = +5V. See DMS-30LCD
data sheet for more information.
Power Supply (V+ to GND)
+5Vdc, 5% @ 1.2mA max.
Full Scale Input
See Ordering Information
Input Impedance
1 Megohm
Sampling Rate
3 Samples per second
Accuracy (V
IN
= +0.190V)
2 Counts max. (0.1%)
Display Type
3 Digit LCD, 0.40"/10.2mm high
Operating Temperature
0 to +60C
Storage Temperature
20 to +75C
Humidity (Non-condensing)
0-95%
DMS-3019X
3 D I G I T , L C D D I S P L A Y D I G I T A L V O L T M E T E R S
Ordering Information
DMS-30193
200mV input
DMS-30194
2V input
DMS-30195
20V input
DMS-BZL1
Bezel assembly
DMS-BZL2
Bezel with gasket
DMS-30-CP
Panel cutout punch
#2-56 INSERT
0.156 (3.96) DEEP
FRONT VIEW
1.270
(32.26)
0.187
(4.75)
OPTIONAL BEZEL (DMS-BZL1 and DMS-BZL2)
2.35 (59.69)
2.118 (53.80)
0.093 (2.362) DIAMETER (4 REQUIRED)
ONLY WHEN USING OPTIONAL BEZEL ASSEMBLY
RECOMMENDED DRILL AND PANEL CUTOUT DIMENSIONS
INTERNAL CORNER RADII:
0.032 (0.81) MAX.
1.07
(27.18)
0.878
(22.30)
0.096
(2.44)
0.116
(2.95)
2.55 (64.77)
PANEL CUTOUT
MA
DE IN
USA
DMS-
30194
0.92
(23.4)
0.84
(21.3)
0.040
(1.02)
2.17
(55.1)
2.09
(53.1)
0.040
(1.02)
0.475
(12.07) TYP.
0.40
(10.2)
TYP.
10
1
FRONT VIEW
DP1
DP2
DP3
0.40
(10.2)
0.90
(22.9)
TYP.
0.10
(2.5) TYP.
0.025 SQ.
(0.635)
MA
DE IN
USA
BEZEL INSTALLATION
PANEL
BEZEL
10
1
MA
DE IN
USA
10
1
RETAINING CLIP INSTALLATION
PANEL
A panel-mount retaining clip is supplied with all models
12
R2
1
1
1
2
3
4
5
6
7
R1
6
2
3
4
5
6
7
8
9 10
BACK VIEW
V+
GND
DP COM
DP3
DP2
DP1
(+) I
N
P
U
T
() I
N
P
U
T
TEST
N.
C.
+5V
+
+
+5V Power
Supply
V
IN
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 Mnchen, 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
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DS-0330A 1/98
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