DMS-30LCD-1-9-C【PDF 1/6 页】DPM LCD 2VDC 3.5DIG 9-14V SUPPLY

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www.murata-ps.com

FEATURES

DMS-30LCD Series

3? Digit, LCD Display Digital Panel Voltmeters

Offering all the outstanding features and bene?ts of DATEL’s industry leading DMS-

■

Large (0.4"/10.2mm), enhanced-contrast, LCD display

Single +5V supply or 9V battery

Power as low as 3.2mW

Miniature size:

2.17" x 0.92" x 0.43" (55mm x 23mm x 11mm)

Epoxy-encapsulated, 12-pin DIP

Backlit displays optional

4 differential input voltage ranges

High accuracy, ±1 count (±0.05%)

Autopolarity changeover and overrange indication

User-selectable decimal point placement

Numerous "plug-on" application boards

0 to +60°C temperature range

20LCD Series of 3? Digit LCD Panel Meters, DMS-30LCD meters offer larger, more easily

readable displays at slightly higher power consumptions. Like all DMS Series LCD meters,

these miniature (2.17” x 0.92” x 0.43”), epoxy-encapsulated devices offer component-like

ease-of-use, outstanding reliability and easy installation in either panels or pc-cards.

DMS-30LCD devices operate from a single +5V supply or a 9V battery. Battery-oper-

ated units typically draw 350μA and consume a mere 3.2mW. Backlit models are available

for low-light applications; though we have found many designers prefer DATEL’s unique

low-power LED meters in those circumstances.

Offering 4 optional input voltage ranges (±200mV, ±2V, ±20V or ±200V), DMS-30LCD

meters have an extremely user-friendly input structure. They can be used in differential

or single-ended modes. Input impedance is a minimum 800kΩ. CMRR is typically 86dB.

CMV is ±2V, and inputs are overvoltage protected to ±100V.

Each meter incorporates an extremely stable, double regulated reference and is fully

calibrated at our factory prior to encapsulation. We guarantee outstanding initial accuracy

(±1 count) and excellent stability over temperature (±0.15 counts/°C). These extremely

rugged meters are moisture and vibration proof and never require adjustment or recalibra-

tion.

For popular applications (4-to-20mA, rms-to-dc conversion, ac line power, J and K

thermocouples, etc.), the DMS-30LCD Series includes a complete line of "plug-on" applica-

tion boards that conveniently convert your meter into an application-speci?c instrument.

+5V

DC/DC

+5V SUPPLY/ 1

+BATTERY

DISPLAY TEST/ 2

BACKLIGHT

CONVERTER

–5V

V+

V–

0.01μF

909k

(–) INPUT LO

(+) INPUT HI

| +2.0V

5V RETURN/ 3

–BATTERY

0 Vdc

J 1

A/D

CONVERTER

10 ANALOG

COMMON

1.23V

DATA

REF.

DP 3

+1.23V REFERENCE OUT

1.82k

DP 2

REFERENCE OUT

+5V

DP 1

REFERENCE IN

R2 is not used on ±200mV (-0) models or ±2V (-1) models.

DC/DC converter is not used on 9V-powered models,

R2 = 100k on ±20V (-2) models and 9.1k on ±200V (-3) models.

For full details go to

www.murata-ps.com/rohs

J1 is connected.

Display Test function is not available on backlit models.

www.murata-ps.com/dpm

06 Jan 2011

email: sales@murata-ps.com

MPM_DMS30LCD.D02 Page 1 of 6

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