Martel-electronics V125 Manuel d'utilisateur télécharger pdf

PRODUCT DESCRIPTION

FEATURES

• Low Cost

• 12.5

• 200mV d.c. Full Scale Reading

• 1mA (typ) @ +9V d.c. Power Supply

•

• User Selectable

•

mm (0.5") Digit Height

Decimal Points

Supplied with Mounting Bezel

Auto-zero and Auto-polarity

TYPICAL APPLICATIONS

• High Volume, Low Cost Systems

• Power Supply Monitoring

• Panel-Mount Indication

ORDERING INFORMATION

Stock Number

Standard Meter V 125

V 125

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).

ELECTRICAL SPECIFICATIONS

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This low cost compact LCD voltmeter module is ideally suited for high volume applications. It features an exceptionally

large display in a miniature package and includes auto-zero and user-selectable decimal points. The module is supplied with

a panel mounting bezel.

REAR VIEW

Specification Min. Typ. Max. Unit

Accuracy (overall error) * 0.25 % (±3 counts)

Linearity 0-1000 reading ±3 counts

0-2000 reading counts

Sample rate 3 samples/sec

Operating temperature range 0 50 °C

Temperature stability 300 ppm/°C

Supply voltage 7.0 9 12 V d.c.

* To ensure maximum accuracy, re-calibrate periodically.

±5

Supply current 1 2 mA

www.martelmeters.com

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Résumé du contenu

Page 1 - 3½ Digit LCD Voltmeter Module

PRODUCT DESCRIPTIONFEATURES• Low Cost• 12.5• 200mV d.c. Full Scale Reading• 1mA (typ) @ +9V d.c. Power Supply•• User Selectable•mm (0.5") Digit H

Page 2 - FUNCTIONAL BLOCK DIAGRAM

DIMENSIONSAll dimensions in mm (inches)PANEL FITTINGPIN CONFIGURATION(rear view)FUNCTIONAL BLOCK DIAGRAMPage2of4Page 2 of 4VrefA/D+_INHICOMINLOXDPDP32

Page 3 - CIRCUIT DIAGRAM

PIN FUNCTIONS1. V+ Positive powersupply connection.2. V- Negative power supplyconnection.3. INHI Positive measuringinput with referenceto IN LO.4. INL

Page 4 - APPLICATIONS

L1L1L1Specifications liable to change without prior warning V 125 Issue 3 January/2002 M.C. Applies to V 125/2Page4of4Page 4 of 4SCALINGTwo resistors

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Martel-electronics V125 Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Équipement Martel-electronics V125. Martel Electronics V125 User Manual Manuel d'utilisatio

Résumé du contenu

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