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DMR20-4/20S-G-C

Description
Digital Panel MeterUnipolar loop-powerd Green LED Meter
CategoryTest and measurement    Panel table    Digital panel table   
File Size587KB,6 Pages
ManufacturerMurata Power Solutions
Environmental Compliance
Download Datasheet Parametric View All

DMR20-4/20S-G-C Overview

Digital Panel MeterUnipolar loop-powerd Green LED Meter

DMR20-4/20S-G-C Parametric

Parameter NameAttribute value
MakerMurata Power Solutions
Product Categorydigital panel meter
Shipping restrictionsMouser does not currently sell this product.
Equipment typeDisplay Readouts
Monitor typeLED, 3.5 Digit, Green
Working power voltage-
Input Current4 mA to 20 mA
seriesDMR20-4/20
length24.9 mm
EncapsulationBulk
Termination typeScrew
width38.1 mm
Installation stylePanel Mount
Factory packaging quantity12
DMR20-4/20 Series
Loop-Powered, 4-20 mA LED Display Process
Monitors with 2.5V Loop Drop
FEATURES
2.5V maximum loop-drop (125 Ω burden) for red LED model!
High-quality, 20-turn, span (gain) and
Self-powered directly from 4-20 mA current zero (offset)
loop, no external
power source needed
Fits round 1.20 inch [30.5 mm] cutouts; less than 1.00 inch
[<25.4 mm] behind-the-panel depth
Easy-to-read, 0.30 inch [7.6 mm] high LED digits with excellent
display brightness; available in red or green LEDs
Supplied with EPDM rubber gasket and hex nut
High-quality, 20-turn, span (gain) and zero (offset) adjustments
Gold-plated DIP-switch for range and decimal points: Reliable
screw-terminal input connections
Rugged, polycarbonate, one-piece package
Protected against dust and water submersion to IP67/NEMA 6
Murata’s new DMR20-4/20 loop-powered digital process monitors feature a large,
easy-to-read, bright LED display. All operating power is derived directly from the
current loop itself—no external power source is required! The large, 0.30 [7.6 mm]
digits exhibit uniform intensity over the entire 4-20 mA operating range. Unlike other
loop-powered LED displays, the total maximum loop voltage drop for the red LED
model is 2.5V! 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 DMR20-4/20’s DIP-switch and potentiometers accommodate hundreds of
different input-current/output-reading combinations. This versatility eliminates the
need to order more costly, long-lead-time customs meters in applications in which
several different-range meters are required. The round plastic housing fits standard
1.20” [30.5mm] panel cutouts. An EPDM rubber gasket and hex nut simplify
installation and provide IP67/NEMA 6 protection to environmental dirt and moisture.
SIMPLIFIED SCHEMATIC DIAGRAM
http://www.murata-ps.com/en/support/rohs-
compliance.html
For full details go to:
www.murata-ps.com/support
MPM_DMR20-4/20.A01
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