V1 Martel Electronics, V1 Datasheet

VOLTMETER LCD 200MV 0.25" DIG HT

V1

Manufacturer Part Number
V1
Description
VOLTMETER LCD 200MV 0.25" DIG HT
Manufacturer
Martel Electronics
Series
Vr
Type
Voltmeterr
Datasheet
1.V1.pdf (4 pages)

Specifications of V1

Measuring Range
200mVDC
Display Style
Black Characters, Grey Background
Display Type
LCD
Display Face Size
1.18" L x 0.31" W (30.0 x 8.0mm)
Display Digits
3.5
Display Digits - Height
0.252" (6.40mm)
Backlight
Without
Mounting Type
Panel Mount
Termination
PC Pins
Voltage - Supply
7 ~ 12VDC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
227-1059
PRODUCT DESCRIPTION
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.
FEATURES
TYPICAL APPLICATIONS
• High Volume, Low Cost Systems
• Power Supply Monitoring
• Panel-Mount Indication
ELECTRICAL SPECIFICATIONS
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).
• Low Cost
• 6.3
• 200mV d.c. Full Scale Reading
• 1mA (typ)@ +9V d.c. Power Supply
•
• User Selectable
•
Specification
Accuracy (overall error) *
Linearity
Sample rate
Operating temperature range
Temperature stability
Supply voltage
Supply current
* To ensure maximum accuracy, re-calibrate periodically.
Auto-zero and Auto-polarity
Supplied with Mounting Bezel
mm (0.25") Digit Height
Decimal Points
0-1000 reading
0-2000 reading
www.martelmeters.com
ORDERING INFORMATION
Min.
Standard Meter
7.0
0
Typ.
0.25
300
±3
±5
3
9
1
3½ Digit LCD Voltmeter Module
1
Max.
REAR VIEW
50
12
2
8
% (±3 counts)
samples/sec
Stock Number
V 1
ppm/°C
counts
counts
V d.c.
Unit
page 1 of 4
mA
°C
Page 2 of 4
Page 2 of 4

V1 Summary of contents

Page 1

PRODUCT DESCRIPTION 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 ...

Page 2

DIMENSIONS All dimensions in mm (inches) Panel thickness: 1.0 - 3.0 (0.04 - 0.12) PANEL FITTING Panel Meter Bezel 1 FUNCTIONAL BLOCK DIAGRAM V+ Vref CAL COM INHI A INLO V- DP3 2 1 3½ Digit LCD Voltmeter ...

Page 3

CIRCUIT DIAGRAM 100nF R1 28 180k 220nF 3 31 INHI INLO 100nF 100nF 100k 100k ...

Page 4

SCALING Two resistors Ra and Rb may be used to alter the full scale reading (FSR) of the meter - see table. The meter will have to be re- calibrated by adjusting the calibration potentiometer on the rear of the ...