SP 400-BLUE LASCAR, SP 400-BLUE Datasheet

Voltage Meter

SP 400-BLUE

Manufacturer Part Number
SP 400-BLUE
Description
Voltage Meter
Manufacturer
LASCAR
Datasheet
1.SP_400-BLUE.pdf (4 pages)

Specifications of SP 400-BLUE

No. Of Digits / Alpha
3-1/2
Meter Function
DC Voltmeter
Meter Range
0mV To 200mV
Digit Height
9.75mm
Operating Temperature Range
0°C To +50°C
Accuracy
+/- (0.1% Of Input +/- 1 Count)
Signal Input Type
200mVDC
Backlighting Color
Blue
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
SP 400-BLUE
ELECTRICAL SPECIFICATIONS
PRODUCT DESCRIPTION
The SP 400-BLUE features a 200mV d.c. measurement range with auto-zero and auto-polarity. Decimal points are user selectable.
The SP 400-BLUE features a negative rail generator which enables the meter to measure a signal referenced to its own power supply
GND. Blue
using the fixing clip provided. The module's
meter's housing ensures splash proofing using the supplied seal.
FEATURES
TYPICAL APPLICATIONS
• Precision Instrumentation Systems
• Power Supply Monitoring
• Test Boxes
• Panel-Mount Indication
• Low Power Voltage Measurement
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).
•
• 200mV d.c. Full Scale Reading
• 3.0 to 7.5V or 6.0 to 15.0V Operation
•
•
• Blue
• Low Battery Warning
• Splash Proof
Specification
9.75mm (0.38") Digit Height
Auto-zero and Auto-polarity
Programmable Decimal Points
LED Backlighting
LED backlighting ensures excellent readability under low light conditions. The module is easily fitted into the panel,
low cost means it will suit high and low volume applications. The design of the panel
www.lascarelectronics.com
supply
Min.
clock
ORDERING INFORMATION
Standard Meter
3½ Digit Backlit LCD Voltmeter Module
Typ.
Max.
No: 695 - Page 1 of 4
Stock Number
SP 400-BLUE
Unit

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SP 400-BLUE Summary of contents

Page 1

... PRODUCT DESCRIPTION The SP 400-BLUE features a 200mV d.c. measurement range with auto-zero and auto-polarity. Decimal points are user selectable. The SP 400-BLUE features a negative rail generator which enables the meter to measure a signal referenced to its own power supply GND. Blue LED backlighting ensures excellent readability under low light conditions. The module is easily fitted into the panel, using the fixing clip provided ...

Page 2

... SP 400-BLUE DIMENSIONS All dimensions in mm (inches) PANEL FITTING 1 FUNCTIONAL BLOCK DIAGRAM 3½ Digit Backlit LCD Voltmeter Module anel thickness: 1.0 - 3.0 (0.04 - 0.12) 2 PIN CONFIGURATION 1 8 www.lascarelectronics.com a. 0.75 (0.03) b. 10.00 (0.39) c. 6.00 (0.24 (rear view) LBAT LCOM CAL ' No: 695 - Page ...

Page 3

... SP 400-BLUE CIRCUIT DIAGRAM PIN FUNCTIONS 1. V+ Positive power supply to the meter. 2. GND 0V power supply to the meter (3.0 to 7.5V meter power supply applications only). 3. BL- Connect to the meter's negative supply voltage to switch on the LED backlighting. For meter supply voltages above 7.5V, add a series resistor Rs. ...

Page 4

... SP 400-BLUE SCALING Two external 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 module. APPLICATIONS Do not connect more than one meter to the same power supply if the meters cannot use the same signal ground ...

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