DMS-20PC-4/20B-C datasheet, PDF

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DMS-20PC-4/20B-C: Descriptiondigital panel meters 20ma max 4.5 V drop 3 1/2 digit led; CategoryTopical application Test and measurement; File Size195KB，6 Pages; ManufacturerMurata; Websitehttps://www.murata.com; Environmental Compliance

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DMS-20PC-4/20B-C Overview

digital panel meters 20ma max 4.5 V drop 3 1/2 digit led

DMS-20PC-4/20B-C Parametric

Parameter Name	Attribute value
Manufacture	Mu
Product Category	Digital Panel Meters
RoHS	Yes
Equipment Type	Meters - Line Powered
Display Type	LCD, 3.5 Digi
Operating Supply Curre	4 mA to 20 mA
Input Curre	4 mA to 20 mA
Case Heigh	22 mm
Case Length	24 mm
Case Width	35 mm
Description/Functi	4-20 mA current loop inpu
Dimensions	24 mm L x 35 mm W x 22 mm H
Mounting Style	Panel
Packaging	Bulk
Factory Pack Quantity	12

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www.murata-ps.com

DMS-20PC-4/20 Series

Subminiature 4-20mA Loop-Powered

3½ Digit LED Process Monitors

FEATURES

■

Industry's ﬁrst loop-powered meter with a large,

easy-to-read, LED display!

Self-powered, no external supply required

Unipolar, Bipolar and Positive Reading Models

Large, 0.37"/9.4mm digits

Excellent display intensity

High-quality, 20-turn, span (gain) and zero (offset)

adjustments

DIP-switch selectable range and decimal points

Hundreds of input/readout combinations

Vibration-resistant package; Reliable screw-terminal

input connections

■

The DMS-20PC-4/20 Series are the world's ﬁrst loop-powered digital panel meters

with a large, easy-to-read, bright red, LED display. All operating power is derived

directly from the loop current itself—no external power supply is required! The large,

0.37"/9.4mm digits exhibit uniform intensity over the entire 4-20mA operating range.

Additionally, the total maximum loop voltage drop is only 5V! Users no longer have to settle

for difﬁcult-to-read LCD displays in loop-powered applications.

Both gain (span) and offset (zero) adjustments are performed with on-board, precision,

20-turn potentiometers. All decimal-point and range-change selections are made on a six-

position DIP switch featuring vibration-resistant, gold-plated contacts. Unlike competitive

meters, there are no jumpers or solder gaps to open or close. Connections to the current

loop are made via a reliable, two-position, screw-type

terminal block.

The DMS-20PC-4/20's DIP switch and adjustment potentiometers accommodate

hundreds of different input-current/output-reading combinations. This versatility practically

eliminates the need to order more costly, long-lead-time, factory-customized "specials" in

applications in which several different-range meters are required. An optional bezel assem-

bly, featuring screw fasteners and a rubber seal, simpliﬁes panel mounting and provides

excellent resistance to environmental dust and moisture. All these outstanding features

combine to make the DMS-20PC-4/20 Series the perfect meters for prototype and OEM

4-20mA current-loop instrumentation.

SIMPLIFIED SCHEMATIC DIAGRAM

3½ DIGIT A/D

CONVERTER

DATA

DP1

DP2

DP3

ZERO

ADJUST

GAIN

ADJUST

BAND-GAP

REFERENCE

CIRCUIT

DIP SWITCHES

+5V

–5V

CURRENT TO

VOLTAGE

CONVERTER

TB1

–

DC/DC

CONVERTER

For full details go to

www.murata-ps.com/rohs

–

LOOP INPUT

www.murata-ps.com/dpm

29 Mar 2011

email: sales@murata-ps.com

MPM_DMS20PC-4/20.C05

Page 1 of 6

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