DPM 959B LASCAR, DPM 959B Datasheet

DPM 959B

Manufacturer Part Number

DPM 959B

Description

VOLTMETER, LED, 3.5DIGIT, RED

Manufacturer

LASCAR

Datasheet

1.DPM_959B.pdf (2 pages)

Specifications of DPM 959B

Supply Voltage Range

4.75V To 5.25V

Backlighting Colour

Red

No. Of Digits / Alpha

3.5

Display Size

51mm X 24mm

Panel Cutout Height

40mm

Panel Cutout Width

72mm

Operating Temperature Range

0Â°C To

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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DPM 959B

A compact meter ideally suited to applications where excellent readability under all lighting conditions is required. The

meter is fitted with high efficiency LEDs which, together with the integral red filter, give a high contrast display with 19mm

digit height. The meter can be easily scaled by the user to indicate volts, amps or other engineering units and may be used in

single-ended, differential, ratio-metric or floating input modes.

SCALING

Two resistors Ra and Rb may be fitted in order to

alter the full scale reading (F.S.R.) of the meter - see

table. The meter will need re-calibration by

adjusting the calibration potentiometer.

NOTE

Ensure that solder link 10 across Ra is OPEN.

SAFETY

To comply with the Low Voltage Directive (LVD 93/68/EEC), input voltages to the module’s pins must not exceed 60Vdc. If

voltages to the measuring inputs do exceed 60Vdc, then fit scaling resistors externally to the module. The user must ensure

that the incorporation of the DPM 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).

Required F.S.R.

20V

200V

2kV

200 A

2mA

20mA

200mA

DIMENSIONS

19mm (0.75“) Digit Height

Programmable Decimal Points

Auto-zero

Auto-polarity

200mV d.c. Full Scale Reading (F.S.R.)

Note

Display in Test Mode

All dimensions in mm (inches)

910k

LINK

51.0 (2.01)

76.0 (2.99)

72.5 (2.85)

51.0 (2.01)

61.5 (2.42)

71.5 (2.81)

100R

100k

10R

10k

www.lascarelectronics.com

(0.22)

Ø5.7

(0.12)

Ø3.0

Specification

Accuracy (overall error) *

Linearity

Sample rate

Operating temperature range

Warm-up time

Temperature s

Supply

Input leakage current (Vin = 0V)

* To ensure maximum accuracy, re-calibrate periodically.

Standard Meter

Panel cut-out 72 x 40 (2.83 x 1.57)

Maximum panel thickness 3mm (0.12).

voltage (V+ to V-)

current

b c

tability

d. 11.5 (0.45)

1.0 (0.04)

2.0 (0.08)

6.5 (0.26)

9.5 (0.37)

Min.

4.75

REAR

VIEW

REAR

VIEW

Typ.

150

0.1

2.5

POL

SCALING RESISTORS

ON TOPSIDE OF BOARD

ON-BOARD SOLDER LINKS

½ Digit LED Module

Max.

5.25

±1

2.54 pin pitch

Stock Number

DPM 959B

% (±1 count)

samples/sec

ppm/°C

minute

count

Unit

°C

Related parts for DPM 959B

DPM 959B Summary of contents

Page 1

... Panel cut-out (2.83 x 1.57) Maximum panel thickness 3mm (0.12). www.lascarelectronics.com ½ Digit LED Module 3 Stock Number DPM 959B Min. Typ. Max. Unit 0.1 % (±1 count) ±1 count 2.5 samples/sec 0 50 °C 10 minute 150 ppm/° ...

Page 2

... Operation with input floating with respect to power supply. +SEG (Pin 4) (Pin 1) BC307 10K POL BC307 (Pin 2) 10K 1K0 1K5 0V (Pin 3) The above circuit can be used to indicate both positive and negative polarity, by illuminating either the + or - segment on the meter. M.C. Applies to DPM 959B/1 ...

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