Martel Electronics V1 User Manual
V1
3½ Digit LCD Voltmeter Module
PRODUCT DESCRIPTION
This low cost compact LCD voltmeter module is ideally suited for high volume applications. It features an exceptionally
large display ina miniaturepackage and includesauto-zero anduser-selectable decimal points. The module issupplied with
a panel mountingbezel.
FEATURES
• Low Cost
• 6.3
mm (0.25") Digit Height
• 200mV d.c. Full Scale Reading
• 1mA (typ)@ +9V d.c. Power Supply
•
Auto-zero and Auto-polarity
• User Selectable
•
Supplied with Mounting Bezel
Decimal Points
1
REAR VIEW
8
TYPICAL APPLICATIONS
• High Volume, Low Cost Systems
• Power Supply Monitoring
ORDERING INFORMATION
Stock Number
Standard Meter V 1
• Panel-Mount Indication
ELECTRICAL SPECIFICATIONS
Specification Min. Typ. Max. Unit
Accuracy (overall error) * 0.25 % (±3 counts)
Linearity 0-1000 reading ±3 counts
Sample rate 3 samples/sec
Operating temperature range 0 50 °C
Temperature stability 300 ppm/°C
Supply voltage 7.0 9 12 V d.c.
Supply current 1 2 mA
* To ensure maximum accuracy, re-calibrate periodically.
0-2000 reading counts
±5
SAFETY
To comply with the Low Voltage Directive(LVD 93/68/EEC), inputvoltagestothemodule’spinsmustnotexceed
60Vdc. The usermustensurethat the incorporation of thepanel meter into theuser’s equipmentconforms to the
relevant sections of BS EN 61010 (Safety Requirements for Electrical Equipment for Measuring, Control and
Laboratory Use).
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V1
3½ Digit LCD Voltmeter Module
DIMENSIONS
Panel thickness: 1.0 - 3.0
18.0 (0.71)
38.0 (1.50)
PANEL FITTING
Panel
Meter
All dimensions in mm (inches)
(0.04 - 0.12)
14.0 (0.55)
34.0(1.34)
31.0(1.22)
15.0 (0.59)
2.5(0.1) dia
8.0 (0.31)
38.0 (1.50)
30.0 (1.18)
23.0 (0.91)
21.0 (0.83)
Fixing Clip
5.5 (0.22)
dia 2.5 (0.1)
1.6 (0.06)
2.54
(0.1)
Bezel
1 2 4
FUNCTIONAL BLOCK DIAGRAM
V+
Vref
CAL
COM
INHI
INLO
+
_
A/D
XDP
Fastener
3
PIN CONFIGURATION
V+
VINHI
INLO
REAR VIEW
CAL
L1
15
48
(rear view)
XDP
DP1
DP2
DP3
V-
DP321
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