Lascar EMA 1710 Data Sheet

EMA 1710 9 Segment LCD Meter

This low cost,compact indicator is ideallysuited for low orhighvolume applications. The meterfeatures a 9 segmentLCD to display 1Vd.c.
full scalereading. Other voltagesand currents canbe measured viathe addition of2 scaling resistors. The meter can be used in applications
where the orderofmagnitude of the reading ismoreimportant than the valueofthereading itself. It allowstheoperatorto scan the display
and receive aquick visual feedback. Installationisparticularly easy; the modulerequires only a singleroundhole in the panel.A rubber seal
is included, providing splashproof protection for the unit whenfittedtothemeterduringinstallation.

9 Segment LCD

Colour Scale

Auto-zero

1V d.c. Full Scale Reading

Single Hole Mounting

No Calibration Required

Splashproof

Stock Number

Standard Meter EMA 1710

Specification Min. Typ. Max. Unit

Accuracy (overall error) * 1 Segment ( 1)
Full scale reading 1 V d.c.
Resolution 125 mV d.c.
Sample rate samples/sec
Operating temperature range 0 50 °C
Supply voltage (V+ to V-) 5 9 12 V d.c.
Supply current (@5Vd.c.) mA

10

6

+

* At voltages above 1V d.c., the display flashes.

DIMENSIONS All dimensions in mm (inches)

Seal

Panel

EMA 1710

21.0 (0.82)

(Display shown in overrange mode)

10.5
(0.41)

10.5
(0.41)

PANELFITTING

Drill a5.5mm / " holein the panel. Fit seal tothe rear ofthe module. Fit the module to the panel by passing its screw threaded studand the wiresthrough the
hole, fitting the washer and tightening the nut. Take care not to trap any of the connecting wires. Do not to overtighten the nut as this may damage the meter.

REAR VIEW

22.0 (0.87)

Module thickness: 5.5mm (0.22")

%

44.0 (1.73)

9.0

(0.35)

5.00
(0.20)

22.0 (0.87)

/

!

14.0 (0.55)

31.0 (1.22)

Viewing Area

Washer

3 Wires - 30cm (12.0)

Nut

http://www.lascarelectronics.com

LASCAR ELECTRONICS LTD.

MODULE HOUSE, WHITEPARISH,

TEL: [phone] FAX: [phone]

WILTSHIRE SP5 2SJ UK

E-mail: [e-mail]

WIRE FUNCTIONS

RED V+ Positivepower supplyconnection.
BLACK 0V Negative powersupplyconnection.
WHITE Vin Positivemeasuring inputwithreference to0V.

Rangefrom0to1Vd.c.

SCALING

Two external resistors may be used to alter the full scale
reading of the meter - see table for sample values.
Alternatively, use the following formulae to calculate Ra
and Rb. Select the nearest available standard resistor. To
achieve optimum accuracy, use1%metalfilmresistors.

Required F.S.R. Ra Rb

10V 910k 100k
100V 1M 10k
10mA 0R 100R
100mA 0R 10R

LASCAR ELECTRONICS INC.

4258 West 12th Street,

TEL: [phone] FAX: [phone]

Erie, PA 16505 USA

E-mail: [e-mail]

LASCAR ELECTRONICS (HK) LTD.

8th FLOOR, CHINA AEROSPACE CENTRE, 143 HOI BUN

ROAD, KWUN TONG, KOWLOON, HONG KONG

TEL: [phone] FAX: [phone]

E-mail: [e-mail]

Voltage

Ra

+

V1 V2

Rb

-

Vin

0V

Ra=1M

Rb=Ra.

V2

V1-V2

.

Current

+

-

Vin

I

.5,

Rs

0V

Rs=I1V

.5,

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 unit 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).

VARIOUS OPERATING MODES

5...12Vd.c.

V+

0V

0V

0-1Vd.c.

5...12Vd.c.

V+

Vin

+

0V

-

0V

Power
Supply

Load

Vin

Rs

Measuring a voltage in the range

Measuring a d.c. current.

0 to 1V d.c.

Rs =I1V

5...12Vd.c.

V+

Power
Supply

I

Load

Rs

Vin

Current

V+

0V

Ra

Vin

Rb

Voltage

0V

0V

Simultaneous d.c. Voltage and Current Measurement.

Rs =I1V

Specifications liable to change without prior warning EMA 1710 Issue 13 06/2010 IRCN 0539 S.L. Applies to EMA 1710/2