DMS-20PC-3-LM View Datasheet(PDF) - DATEL Data Acquisition products
Part Name
Description
Manufacturer
DMS-20PC-3-LM Datasheet PDF : 1 Pages
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www.datel.com
®
®
Actual Size
DMS-20PC-3-LM
Self-Powered, LED Display
480V AC Line Monitor
Features
• Self-powered, two-terminal operation
• 350 to 600Vac operating input range
• Half-wave averaging, rms calibrated
• Large, easy-to-read, bright red LED display
• Rugged, epoxy-encapsulated construction
• Built-in bezel for panel mounting
• Reliable screw terminals for easy installation
• Small 1.38" x 0.88" x 1.0" package
Functional Specifications
Input
Voltage Range ➀
Current Consumption
350-600Vrms (47-63Hz)
50mArms (max.)
Performance
Sampling Rate
Measurement Type
Accuracy @ +25°C
Temperature Drift
(–25 to +60°C)
2.5 readings/second
Half-wave average, rms calibrated
for sinusoidal input
±1V (typ.), ±2V (max.)
±0.15 Volts/°C (max.)
Mechanical
Dimensions
Display Type
Weight
Case Material
1.38" x 0.88" x 1.00"
3 digit, red LED, 0.37"/9.4mm
1 ounce (28 grams)
Polycarbonate
Environmental
Operating Temperature
Storage Temperature
Humidity (Non-condensing)
–25 to +60°C
–40 to +75°C
0 to 95%
➀ Operation and accuracy at inputs above or below this
range are not specified.
Ordering Information
DMS-20PC-3-LM 350-600Vac line monitor with screw
terminals and screws
DMS-20-CP
Panel cutout punch
DMS-BZL3
Panel mount bezel
DMS-BZL4
Panel mount bezel with sealing gasket
Brass screws (6-32 thread) and a panel-mount retaining clip are
supplied with each meter
DATEL's DMS-20PC-3-LM is a low-cost, self-powered, 2-wire digital
voltmeter designed for monitoring 480Vac 3-phase primary power. The DMS-
20PC-3-LM's unique power-supply design allows a single model to operate
from 350 to 600Vac (47-63Hz). The meter requires
no external components or auxiliary power for full
Typical panel mount
operation! Its large, 0.37"/9.4mm, bright red LED
installation
display is easily readable under virtually all lighting
conditions.
DMS-20PC-3-LM employs rms calibrated, half-
wave sinusoidal averaging to achieve a display
resolution of 1Vac over its full operating range.
Packaged in a subminiature (1.38" x 0.88" x 1.0")
red-filter case with a built-in bezel, the meter is epoxy
encapsulated for ruggedness. An optional bezel
Suggested wiring
(User supplied)
assembly, featuring metal fasteners, simplifies
panel mounting.
This easy-to-use, vibration-proof voltmeter is
the ideal digital upgrade for fragile analog-style
panel meters in 480Vac power distribution equipment.
It similarly excels in any new application requiring accurate,
high-voltage, ac line monitoring.
Mechanical Specifications
Dimensions in inches (millimeters)
Tolerances: 2 PL Dec ±0.02 (±0.51)
3 PL Dec ±0.010 (±0.254)
1.30
(33.0)
Recommended panel cutout dimensions:
1.336 (33.93)W × 0.838 (21.29)H
Internal corner radii 0.032 (0.81) Max.
#6-32
UNC THD
0.44
(11.2) 0.80
(20.3)
0.04
(1.016)
0.04
(1.016)
0.04
(1.016)
0.88 0.37
(22.4) (9.4)
1.38
(35.1)
0.75
(19.1)
0.32
(8.1)
1.00
(25.4)
#2-56 INSERT
0.156 (3.96) DEEP
0.19
(4.8)
1.07
(27.2)
DMS-BZL3
Optional Bezel
1.28
(32.5)
0.10
(2.5)
1.63 (41.4)
1.83 (46.5)
0.10
(2.5)
DS-0388B 1/99
DATEL, Inc., Mansfield, MA 02048 (USA) • Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 • Email: sales@datel.com • Internet: www.datel.com
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.
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