DMS-30LCD-1-9B datasheet, PDF - EEWORLD Datasheet

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DMS-30LCD-1-9B: DescriptionDigital Panel Meters 3.5 Digit Volt Meter +-2V / +9V Backlit; CategoryTopical application Test and measurement; File Size207KB，6 Pages; ManufacturerMurata; Websitehttps://www.murata.com

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DMS-30LCD-1-9B Overview

Digital Panel Meters 3.5 Digit Volt Meter +-2V / +9V Backlit

DMS-30LCD-1-9B Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Murata
Product Category	Digital Panel Meters
RoHS	N
Equipment Type	Voltmeters
Display Type	LCD, 3.5 Digit
Operating Supply Voltage	7.5 V to 14 V
Operating Supply Current	45 mA
Input Voltage	+/- 2 V
Description/Function	Auto polarity changeover and over range indication
Dimensions	11 mm L x 55 mm W x 23 mm H
Height	23 mm
Length	11 mm
Width	55 mm
Mounting Style	Panel, Board
Unit Weight	0.077603 oz

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www.murata-ps.com

DMS-30LCD Series

3½ Digit, LCD Display Digital Panel Voltmeters

FEATURES



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



differential input voltage ranges



accuracy, ±1 count (±0.05%)

High



Autopolarity changeover and overrange indication



User-selectable decimal point placement



Numerous "plug-on" application boards



to +60°C temperature range

Offering all the outstanding features and beneﬁts of Murata Power Solutions’ industry

leading DMS-20LCD Series of 3½ 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 Murata Power

Solutions’ 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-speciﬁc instrument.

+5V

+5V SUPPLY/ 1

+BATTERY

–5V

V+

(–) INPUT LO

0.01µF

V–

+2.0V

DISPLAY TEST/ 2

BACKLIGHT

DC/DC

CONVERTER

909k

(+) INPUT HI

5V RETURN/ 3

–BATTERY

0 Vdc

A/D

CONVERTER

DATA

1.23V

REF.

10 ANALOG

COMMON

DP 3

1.82k

+5V

+1.23V REFERENCE OUT

DP 2

REFERENCE OUT

DP 1

REFERENCE IN

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

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

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

J1 is connected.

Display Test function is not available on backlit models.

For full details go to

www.murata-ps.com/rohs

www.murata-ps.com/support

MPM_DMS30LCD.E01

Page 1 of 6

DMS-30LCD-1-9B Related Products

	DMS-30LCD-1-9B	DMS-30LCD-0-9B-C	DMS-30LCD-1-9B-C
Description	Digital Panel Meters 3.5 Digit Volt Meter +-2V / +9V Backlit	Digital Panel Meters 3.5 Digit Volt Meter +-200mV / +9VBacklit	Digital Panel Meters 3.5 Digit Volt Meter +-2V / +9V Backlit
Product Attribute	Attribute Value	Attribute Value	Attribute Value
Manufacturer	Murata	Murata	Murata
Product Category	Digital Panel Meters	Digital Panel Meters	Digital Panel Meters
RoHS	N	Details	Details
Equipment Type	Voltmeters	Voltmeters	Voltmeters
Display Type	LCD, 3.5 Digit	LCD, 3.5 Digit	LCD, 3.5 Digit
Operating Supply Voltage	7.5 V to 14 V	7.5 V to 14 V	7.5 V to 14 V
Operating Supply Current	45 mA	45 mA	45 mA
Input Voltage	+/- 2 V	+/- 200 mV	+/- 2 V
Description/Function	Auto polarity changeover and over range indication	Auto polarity changeover and over range indication	Auto polarity changeover and over range indication
Dimensions	11 mm L x 55 mm W x 23 mm H	11 mm L x 55 mm W x 23 mm H	11 mm L x 55 mm W x 23 mm H
Height	23 mm	23 mm	23 mm
Length	11 mm	11 mm	11 mm
Width	55 mm	55 mm	55 mm
Mounting Style	Panel, Board	Panel, Board	Panel, Board
Unit Weight	0.077603 oz	0.077603 oz	0.077603 oz
Packaging	-	Bulk	Bulk
Factory Pack Quantity	-	12	12

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