dms-30lcd ETC-unknow, dms-30lcd Datasheet

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dms-30lcd

Manufacturer Part Number
dms-30lcd
Description
Dpm Lcd 2vdc 3.5dig 9-14v Supply
Manufacturer
ETC-unknow
Datasheet

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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
dms-30lcd-0-5B-C
Quantity:
108
Part Number:
dms-30lcd-0-9-C
Manufacturer:
MURATA/村田
Quantity:
20 000
Company:
Part Number:
dms-30lcd-2-5
Quantity:
96
Part Number:
dms-30lcd-O-5-C
Manufacturer:
MURATA/村田
Quantity:
20 000
Company:
Part Number:
dms-30lcdA-4/20B
Quantity:
180
Part Number:
dms-30lcdA-4/20S-C
Manufacturer:
Murata Power Solutions Inc
Quantity:
135
FEATURES
www.murata-ps.com
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
3
DISPLAY TEST/
www.murata-ps.com/rohs
+5V SUPPLY/
5V RETURN/
BACKLIGHT
+BATTERY
–BATTERY
For full details go to
DP 3
DP 2
DP 1
 
1
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.
1
2
3
4
5
6
0 Vdc
CONVERTER
DC/DC
J1
2
+5V
www.murata-ps.com/dpm
DATA
–5V
CONVERTER
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.
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.
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.
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.
thermocouples, etc.), the DMS-30LCD Series includes a complete line of "plug-on" applica-
tion boards that conveniently convert your meter into an application-specifi c instrument.
A/D
Offering all the outstanding features and benefi ts of DATEL’s industry leading DMS-
DMS-30LCD devices operate from a single +5V supply or a 9V battery. Battery-oper-
Offering 4 optional input voltage ranges (±200mV, ±2V, ±20V or ±200V), DMS-30LCD
Each meter incorporates an extremely stable, double regulated reference and is fully
For popular applications (4-to-20mA, rms-to-dc conversion, ac line power, J and K
V+
V–
2
3
DC/DC converter is not used on 9V-powered models,
J1 is connected.
Display Test function is not available on backlit models.
3½ Digit, LCD Display Digital Panel Voltmeters
1.23V
+5V
REF.
0.01μF
|+2.0V
DMS-30LCD Series
R2
06 Jan 2011 MPM_DMS30LCD.D02 Page 1 of 6
1
1.82k
909k
R1
12
11
10
9
8
7
ANALOG
COMMON
+1.23V REFERENCE OUT
(–) INPUT LO
(+) INPUT HI
REFERENCE IN
REFERENCE OUT
email: sales@murata-ps.com

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dms-30lcd Summary of contents

Page 1

... Offering all the outstanding features and benefi DATEL’s 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” ...

Page 2

... Listed spec applies to 5V-powered models only. For 9V-powered models, both (–) INPUT LO (pin 12) and (+) INPUT HIGH (pin 11) must always be at least 1.5V above –BATTERY (pin 3) and at least 1.5V below +BATTERY (pin 1). ➂ See Technical Notes. Ordering Information DMS-30LCD - Input Range: Leave blank for standard 0 = ±200mV models ± ...

Page 3

... Refer to Figure 9 for applications requiring greater ( ±10%) gain adjust- ments. 3½ Digit, LCD Display Digital Panel Voltmeters 8. Soldering Methods: All models in the DMS-30LCD Series easily withstand most common wave soldering operations. We recommend, however, you evaluate the effects your particular soldering techniques may have on the meter’ ...

Page 4

... Process Control (4-to-20mA) Measurements: In many common process-control applications, a 4-to-20mA current loop is used to 7 REF IN transmit information. Because DMS-30LCD meters have such high 3 input impedance, a simple shunt resistor across the meter’s input can 5V RET be used to convert the loop current to a voltage. See Figure 7. The ...

Page 5

... The circuit can be calibrated by fi rst measuring the actual battery volt- age with another meter and then adjusting the gain-adjust potentiom- eter on the back of the DMS-30LCD until a similar reading is obtained. If possible, the resistors in the divider should be ±1% metal-fi lm types with TCR’s less than 50ppm/°C. ...

Page 6

... The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifi cations are subject to change without notice. www.murata-ps.com/locations DMS-30LCD Series 3½ Digit, LCD Display Digital Panel Voltmeters PIN #1 DMS-30LCD-X-XX ...

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