SP300【PDF 1/4 页】LED DPM 200MV 3.5 DIGIT RED

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SP 300

3? Digit LED Voltmeter Module

PRODUCT DESCRIPTION

The SP 300 features a 200mV d.c. measurement range with auto-zero and auto-polarity. Decimal points are user

selectable. The SP 300 features a negative rail generator which enables the meter to measure a signal referenced to its

own power supply 0V. The bright red LED display ensures excellent readability under low light conditions. It can be

blanked in applications requiring low power operation. The module is easily fitted into the panel, using the fixing clip

provided. The module's low cost means it will suit high and low volume applications. The design of the panel meter's

housing and seal ensures splash proofing in many applications.

FEATURES

? 9.4mm (0.37") Digit Height

? 200mV d.c. Full Scale Reading

? 50mA @ +5V d.c. Power Supply

? Auto-zero and Auto-polarity

? Programmable Decimal Points

? Bright Red LED Display

? Display Blanking Facility

? Simplified Connection

? Splash Proof

TYPICAL APPLICATIONS

ORDERING INFORMATION

? Precision Instrumentation Systems

? Power Supply Monitoring

? Test Boxes

? Panel-Mount Indication

ELECTRICAL SPECIFICATIONS

Standard Meter

Stock Number

SP 300

Specification

Min.

Typ.

Max.

Unit

Accuracy (overall error) *

Linearity

Sample rate

0.1

2.5

±1

% (±1 count)

count

samples/sec

Operating temperature range

Warm-up time

Temperature stability

150

°C

minute

ppm/°C

Supply voltage

Supply current

Input leakage current (Vin = 0V)

4.75

5.25

* To ensure maximum accuracy, re-calibrate periodically.

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).

LASCAR ELECTRONICS INC.

PO BOX 50727

PALO ALTO

CA 94303-0727

USA

TEL: +1 (650) 838 9027

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

FAX: +1 (650) 833 5432

E-mail: lascarus@pacbell.net

www.martelcorp.com

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: b4lascar@samsongroup.com.hk

www.lascarelectronics.com

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