OEM33 ANDERS ELECTRONICS, OEM33 Datasheet

OEM33

Manufacturer Part Number

OEM33

Description

DPM, LCD, 3.5DIGIT, MINI

Manufacturer

ANDERS ELECTRONICS

Datasheet

1.OEM33.pdf (3 pages)

Specifications of OEM33

Supply Voltage Range

7V To 10V, 4.5V To 6V

No. Of Digits / Alpha

3.1/2

Display Size

30mm X 14mm

Panel Cutout Height

22mm

Panel Cutout Width

41m

Operating Temperature Range

0Â°C To +50Â°C

Display

RoHS Compliant

Accuracy

Â± 0.1%

Rohs Compliant

Yes

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OEM33 3.5 digit LCD digital voltmeter

features

Panel cut out 40.5 x 22.5

Fastening clips accept panel thickness 0.9 to 3.2mm

The OEM33 has a built in digital display hold facility. For

normal, continuous operation connect the 'Hold 1' pin to

the GD pin. To hold the present reading, connect 'Hold 1'

to VDD. Do not leave this pin floating or it will drift in and

out of hold mode.

The OEM33 is one of the world's smallest digital

voltmeters. It is an ideal replacement for analogue meters

with advantages of accuracy, size and easy mounting.

The module includes an A/D converter, LCD display of

10mm character height, and plastic housing with standard

dual in line pin terminals for easy insertion into sockets or

PC Board.

OEM33

DIMENSIONS

OPERATING SPECIFICATION

ORDERING INFORMATION

DESCRIPTION

Revision - 14 27/08/04

Operating temperature

Storage temperature

Operating relative humidity

DISPLAY HOLD FACILITY

digital panel modules

3.5 Digit 10mm character height LCD

200mV Full Scale sensitivity

Automatic zeroing and polarity indication

11 selectable annunciators

Easy to use decimal point selection

Built in snap fastener

Display hold feature standard

3.5 digit, 200mV LCD Voltmeter

0 to 50

-20 to 70

80%

user guide

All annunciators not in use must be connected to the BP

pin for suppression purposes. To light up an annunciator,

connect the corresponding pin to XBP.

Supply voltage (VDD)

Supply Current (IDD)

Full scale

Input Impedance

Reference Voltage

Overload voltage

Zero I/P Reading

Accuracy

at FSD

Linearity

Resolution

CMRR

Temp Coefficient

m, µ, MΩ, KΩ,

V, A, HOLD2

ELECTRICAL CHARACTERISTICS T

PIN FUNCTIONS

VDD

VSS

HOLD1

XBP

D1, D2, D3

BAT,

CHARACTERISTIC

F,~,

Positive supply terminal

Negative supply terminal for 9 volts operation

Negative supply terminal for 5 volts operation

Input high terminal

Input low terminal

Reference high input terminal

Reference low input terminal

Connect to VDD for hold and GD for continuous

Analogue Common

For driving annunciator

LCD back plane

Decimal point pins . D1 = .000, D2 = 0.00 D3 = 00.0

The decimal point will appear if the corresponding

terminal is connected to XBP.

Annunciators

CONDITION

9 Volts

5 Volts

9 Volts

5 Volts

9 Volts

5 Volts

9 Volts

5 Volts

MIN

100

4.5

TYP

500

100

=25

199.9

MAX

900

150

C¡

ppm/

Counts

UNITS

µA

µV

Ω

Related parts for OEM33

OEM33 Summary of contents

Page 1

... Storage temperature Operating relative humidity DISPLAY HOLD FACILITY The OEM33 has a built in digital display hold facility. For normal, continuous operation connect the 'Hold 1' pin to the GD pin. To hold the present reading, connect 'Hold 1' to VDD. Do not leave this pin floating or it will drift in and out of hold mode ...

Page 2

... USER INSTRUCTIONS The OEM33 is designed for 5/9V supply. Incorrect supply polarity will destroy the module immediately ready for general use when connected as in fig. 1 for 5V. For 9V supply the module may need calibrating before use as follows. Connect as in fig. 2, apply 100mV to the inputs from a calibrated source and adjust VR1 until the display reads 1000 ...

Page 3

DETAILED LAYOUT AND DIMENSIONS Revision - 14 27/08/04 anders Tel: +44 (0)20 7380 8167 Fax: +44 (0)20 7874 1908 electronics plc Bayham Place, London NW1 OEU UK www.anders.co.uk ...

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