Martel-electronics OEM1B Manuel d'utilisateur télécharger pdf

PRODUCT DESCRIPTION

The OEM 1B uses the latest miniaturisation techniques to produce a very compact 3 ½ digit LCD voltmeter. It is

designed to be a drop-in component in most medium and high volume applications, ranging from personal

instrumentation and integral sensor indicators to measurement probes. The meter features 8mm digit height, 3

decimal points, auto-polarity, auto-zero, 200mV full scale reading and a very low current consumption.

Connection to the module is via two dual in line rows of pins.

FEATURES

•8

• 200mV d.c. Full Scale Reading

• 150 A @ 7.5 to 14V Operation

•

• Selectable

• Very Compact Design

mm (0.31") Digit Height

Decimal Points

Auto-zero and Auto-polarity

TYPICAL APPLICATIONS

• Personal Gas Monitoring

• Medical Instruments

• Measurement Probes

• Hand held instruments

ORDERING INFORMATION

Stock Number

Standard Meter OEM 1B

LASCAR ELECTRONICS LTD.

MODULE HOUSE

WHITEPARISH

WILTSHIRE SP5 2SJ

TEL: +44 (1794) 884567

FAX: +44 (1794) 884616

E-mail: sales@lascar.co.uk

LASCAR ELECTRONICS (HK) LIMITED

FLAT C, 5/FL., LUCKY FTY. BLDG.

63-65 HUNG TO ROAD

KWUN TONG KOWLOON

HONG KONG

TEL: +852 2797 3219

FAX: +852 2343 6187

E-mail: [email protected]

OEM 1B

3½ Digit LCD Voltmeter Module

SAFETY

To comply with the Low Voltage Directive (LVD 93/68/EEC), input voltages to the module’s pins must not exceed

60Vdc. The user must ensure that the incorporation of the panel meter into the user’s equipment conforms to the

relevant sections of BS EN 61010 (Safety Requirements for Electrical Equipment for Measuring, Control and

Laboratory Use).

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www.lascarelectronics.com

ELECTRICAL SPECIFICATIONS

Specification Min. Typ. Max. Unit

Accuracy (overall error) * 0.1 % (±1 count)

Linearity 1 count

Sample rate 2.5 samples/sec

Operating temperature range 0 50 °C

Temperature stability 100 ppm/°C

Supply voltage (V+ to V-)

Input leakage current (Vin = 0V) 1 10 pA

7.5 9 14** V d.c.

Supply current 150 Aµ

LASCAR ELECTRONICS INC.

3750 West 26th Street

Erie

PA 16506

USA

TEL: +1 (814) 835 0621

FAX: +1 (814) 838 8141

E-mail: us[email protected]

* To ensure maximum accuracy, re-calibrate periodically.

** Operation of the meter beyond the maximum supply voltage rating may cause permanent damage to the meter.

Unless otherwise noted, specifications apply at T =25°C, V =5Vd.c. (f =48kHz) and are tested with the module configured for floating input

mode.

A supply clock

PO Box 770, Londonderry, NH 03053 1-800-821-0023

www.martelcorp.com

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Résumé du contenu

Page 1 - 3½ Digit LCD Voltmeter Module

PRODUCT DESCRIPTIONThe OEM 1B uses the latest miniaturisation techniques to produce a very compact 3 ½ digit LCD voltmeter. It isdesigned to be a drop

Page 2 - FUNCTIONAL BLOCK DIAGRAM

DIMENSIONSAll dimensions in mm (inches)Page2of4Page 2 of 4Page2of4Vref18A/D+_INIRLOCOMRHIILODP321XDPV+V-CALOEM 1B3½ Digit LCD Voltmeter ModulePIN CONF

Page 3 - PIN FUNCTIONS

Page2of4Page 2 of 4Page3of4OEM 1B3½ Digit LCD Voltmeter ModuleCIRCUIT DIAGRAMPIN FUNCTIONS1. V- Negative power supply to the meter.2. V+ Positive powe

Page 4 - APPLICATIONS

Specifications liable to change without prior warning OEM 1B Issue 2 September/2002 M.C. Applies to OEM 1B/3Page4of4Page 4 of 4Page4of4SCALINGTwo resi

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Martel-electronics OEM1B Manuel d'utilisateur

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Résumé du contenu

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