DCA5-20PC-1-DC4-RL-C【PDF 1/6 页】AMMETER LED 8-36VDC 50A/500A RED

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www.murata-ps.com

FEATURES

? ? Scales and displays the output of 5A to

2000A, 50mV & 100mV shunts

? ? Completely self-contained – no additional

components required

? ? Wide power supply inputs: 5 to 40Vdc for

12V/24V/28V applications

? ? 48V option for telecom supplies

?? Isolated-supply models for high-side shunts

? ? Large, easy-to-read LED display with 0.37”

(9.4mm) high digits

? ? Available in red, blue or green LED displays

? ? Subminiature 1.38” x 0.88” package with

screw-style terminal blocks

? ? Factory calibrated to ±0.1% accuracy;

Reverse-polarity protection

? ? Over 50 models available

? ? Digital upgrade for analog meters

DCA5-20PC Series

50mV & 100mV Input, LED-Display,

Subminiature DC Ammeters

Murata Power Solution’s new DCA5-20PC Series dc ammeters are speci?cally designed to dis-

play the output of all popular 50mV and 100mV dc-shunts. 25 input ranges provide for precision

measurement of dc currents from 1.000A to 2000A. With the exception of an external shunt,

the unit is 100% self-contained – no calibration or user-supplied components are required.

Available LED-display colors include brilliant blue, bright green, and standard red. Three power

supply options accommodate all popular dc-supply voltages from 5V to 75Vdc, making these

ammeters perfect for automotive, industrial, telecom, and marine applications!

DCA5-20PC Series ammeters are housed in 1.38” x 0.88” (35mm x 22mm) rugged pack-

ages that feature a large, 0.37”/9.4mm high, LED display. However, display visibility is not com-

promised in any way: the display can be easily read at distances up to 15 feet (5 meters). All

input and power supply connections are made by way of two screw-style terminal blocks. For

added ?exibility, computer-style jumpers are provided for range-speci?c decimal point assign-

ments. And, to ensure trouble free installation, all models include reverse-polarity protected

power supply inputs.

Two input con?gurations are offered: grounded shunt (“low-side”), 5-40V-powered, red,

green or blue LED models for cost-sensitive applications, and 8-36V isolated-supply models

that accept high-side or ?oating shunts. Isolated-supply models are also available in a choice

of red, green, or blue LEDs. Since many dc ammeters are used in battery backup applications,

power consumption for 8-36V models is typically 1 Watt, and 75mW for 5-40V models.

Miniature size, wide supply inputs, and no-hassles installation make DCA5-20PC Series

ammeters the ideal choice for all your 50 and 100mV shunt ammeter-applications.

LED DISPLAY

+5V

INPUT

AMPLIFIER

–

CAL

A/D

CONVERTER

–5V

POWER

CONVERTER

POWER

GROUND

TB1

SIGNAL

GROUND

TB2

–IN

+IN

–V (GND)

* Not included on all models

** Open on isolated power models

For full details go to

www.murata-ps.com/rohs

EXTERNAL

50 or 100mV SHUNT

Figure 1. DCA5-20PC Series Simpli?ed Schematic

+ –

EXTERNAL DC SUPPLY

www.murata-ps.com/support

MPM_DCA5-20PC.B09 Page 1 of 6

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