DPM 3AS-BL
PRODUCT DESCRIPTION
The DPM 3AS-BL features a 200mV d.c. measurement range with auto-zero and auto-polarity . Decimal points are user
selectable.
to its own power supply GND.
of the panel meter’s housing allows the module to be
suit high and low volume applications. The DPM 3AS-BL is intended to replace the DPM 3, DPM 3S, DPM 3-BL and
DPM 3S-BL in many applications, usually requiring only minor circuit modifications.
• Precision Instrumentation Systems
• Power Supply Monitoring
• Hand held instruments
• Panel-Mount Indication
• Low Power Voltage Measurement
ELECTRICAL SPECIFICATIONS
Unless otherwise noted, specifications apply at T =25°C, V
input mode.
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).
FEATURES
TYPICAL APPLICATIONS
SAFETY
T o comply with the Low V oltage Directive (LVD 93/68/EEC), input voltages to the module’s pins must not exceed
• 11
• 200mV d.c. Full Scale Reading
• 3.0 to 7.5V or 6.0 to 15.0V Operation
•
•
•
Accuracy (overall error) *
Specification
Linearity
Sample rate
Operating temperature range
T emperature stability
Meter supply voltage
Meter supply current
Backlight supply voltage
Backlight supply current @ 5V d.c.
Input leakage current (Vin = 0V)
* T o ensure maximum accuracy , re-calibrate periodically .
** Operation of the meter beyond the maximum supply voltage rating may cause permanent damage to the meter.
*** An external series resistor is required above 5V , see Applications.
Auto-zero and Auto-polarity
Programmable Decimal Points
LED Backlighting
mm (0.43") Digit Height
The DPM 3AS-BL features a negative rail generator which enables the meter to measure a signal referenced
V+ to GND configuration
V+ to V-
V+ to GND configuration
V+ to V-
LED backlighting ensures excellent readability under low light conditions.
PO Box 770, Londonderry, NH 03053 1-800-821-0023
www.martelcorp.com
configuration
configuration
A
supply
LASCAR ELECTRONICS INC.
=5Vd.c. (f
easily snapped into a panel. The module’s
Min.
4.75
3.0
6.0
0
clock
=48kHz) and are tested with the module configured for fully floating
ORDERING INFORMATION
Standard Meter
3‰ Digit Backlit LCD Voltmeter Module
Typ.
250
350
175
0.1
9.0
2.5
5.0
5.0
40
1
Max.
15.0**
–1
7.5
***
50
60
10
E-mail: b4lascar@samsongroup.com.hk
low cost means it will
% (–1 count)
samples/sec
ppm/°C
count
V d.c.
Unit
V d.c.
V d.c.
Stock Number
DPM 3AS-BL
mA
m
m
pA
°C
A
A
The design