DMS-LM2 Datasheet, PDF (1/2 Pages) Murata Manufacturing Co., Ltd. – Self-Powered LED Display High-Voltage, 50/60/400Hz AC Line Monitor

DMS-20PC-2-LM
Self-Powered LED Display High-Voltage,
50/60/400Hz AC Line Monitor
FEATURES
N _{Self-powered, two-terminal operation}
N Dual operating ranges: 240-310Vac at 50/60Hz or
85-140Vac at 400Hz
N _{Half-wave averaging, rms calibrated}
N _{Large, easy-to-read, bright red LED display}
N _{Rugged, epoxy-encapsulated construction}
N _{Built-in bezel for panel mounting}
N _{Reliable screw terminals for easy installation}
N _{Small 1.38" x 0.88" x 1.0" package}
Functional Specifications
Input
Voltage Range ~
Current Consumption
240-310Vrms (47-99Hz)
85-140Vrms (350-450Hz)
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 –25 to +60°C
Storage Temperature
–40 to +75°C
Humidity (Non-condensing) 0 to 95%
~ Operation and accuracy at inputs above or below this range are
not specified.
DATEL’s DMS-20PC-2-LM is a component-size, self-contained, low-cost ac voltmeter
specifically designed for high-voltage or high-frequency operation. The DMS-20PC-2-LM’s
unique power-supply circuitry allows a single model to
operate from either 240 to 310Vac with 50/60Hz inputs or
from 85 to 140Vac with 400Hz inputs. The meter requires
no external components or auxiliary power for full opera-
tion! Its large, 0.37"/9.4mm, bright red LED display is
easily readable under virtually all lighting conditions.
DMS-20PC-2-LM employs half-wave sinusoidal
averaging (rms calibrated) to achieve a display resolu-
tion of 1Vac over its full operating range. Packaged in
a red-filter case with a built-in bezel, the meter is epoxy
encapsulated for ruggedness.
This low-cost, extremely versatile digital voltme-
ter is ideal for use in emergency power equipment,
277Vac fluorescent lighting systems, 400Hz aircraft
installations, and any other application requiring
accurate, high-voltage or high-frequency, ac line
monitoring.
Typical panel mount installation
Suggested wiring (User supplied)
Ordering Information
DMS-20PC-2-LM-C
DMS-BZL3-C
DMS-BZL4-C
DMS-20-CP
High-voltage ac line monitor with screw terminals and screws
Panel mount bezel
Panel mount bezel with sealing gasket
Panel cutout punch
Brass screws (6-32 thread) and a panel-mount retaining clip are supplied with each meter
Ḥ
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
Technical enquiries email: [e-mail], tel: [phone]
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