Martel-electronics DPM750S-BL Manuel d'utilisateur télécharger pdf

FEATURES

• 12.7

• 200mV d.c. Full Scale Reading

• 3.0 to 7.5V or 6.0 to 15V d.c. Operation

•

• Bandgap Reference

mm (0.5") Digit Height

Programmable Decimal Points

LED Backlighting (30mA @ 5V typ.)

• Low Battery Warning

Auto-zero and Auto-polarity

ORDERING INFORMATION

Stock Number

Standard Meter DPM 750S-BL

IP67 / NEMA 4X Bezel BEZ 700-IP

ELECTRICAL SPECIFICATIONS

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www.lascarelectronics.com

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 50 ppm/°C

Supply voltage V+ to GND configuration 3 5 7.5 V d.c.

350 A

Backlight supply current @ 5V d.c. 30 mA

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

V+ to V- configuration 6 9 15 V d.c.

Supply current V+ to GND configuration 500 A

V+ to V- configuration

Backlight supply voltage 4.75 5.0 ** V d.c.

50 ***

°°

µA

kΩ

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]

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).

TYPICAL APPLICATIONS

• Precision Instrumentation Systems

• Power Supply Monitoring

• Test Boxes

• Panel-Mount Indication

• Low Power Voltage Measurement

DPM 750S-BL

3½ Digit Backlit LCD Voltmeter Module

The DPM 750S-BL features a 200mV d.c. measurement range with auto-zero and auto-polarity. Decimal points are

user selectable.

LED backlighting ensures excellent readability under low light conditions. The module's

The meter features a negative rail generator which enables the meter to measure a signal referenced to

its own power supply GND. A low drift bandgap reference circuit ensures accurate readings over a wide temperature

range. low cost means it will

suit high and low volume applications. This module is supplied with a plastic mounting bezel. A waterproof seal to

IP67 / NEMA 4X is achievable, using the optional BEZ 700-IP bezel.

* To ensure maximum accuracy, re-calibrate periodically.

** An external series resistor is required above 5V, see Applications.

*** This specification linearly derates to 30mA @ 50°C.

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]

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

www.martelcorp.com

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DPM 750S-BL 1

Résumé du contenu

Page 1 - DPM 750S-BL

FEATURES• 12.7• 200mV d.c. Full Scale Reading• 3.0 to 7.5V or 6.0 to 15V d.c. Operation•••• Bandgap Referencemm (0.5") Digit HeightProgrammable D

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DIMENSIONSAll dimensions in mm (inches)PIN CONFIGURATION (rear view)FUNCTIONAL BLOCK DIAGRAMPage2of4Page 2 of 4Page2of4DPM 750S-BL3½ Digit Backlit LCD

Page 3

Page3of4DPM 750S-BL3½ Digit Backlit LCD Voltmeter ModulePIN FUNCTIONSSOLDER LINKS1. V+ Positive powersupply to the meter andLED backlighting.2. GND 0V

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Page4of4Page 4 of 4Page4of4DPM 750S-BL3½ Digit Backlit LCD Voltmeter ModuleSCALINGTwo resistors Ra and Rbmay be used to alter thefull scale reading (F

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Martel-electronics DPM750S-BL Manuel d'utilisateur

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