Lascar | DPM 340

Compact 3½ Digit LED Voltmeter


This compact panel meter features a 3½ digit LED with 8mm (0.31") digit height and one-piece snap-in housing. With 200mV d.c. full scale readings, auto-zero, auto-polarity and user selectable decimal points, this meter can be used in 4.75 to 5.25V operation.  The DPM 340 is a low cost, popular part, normally stocked in high quantity and suitable for new designs.


Accuracy (overall error)
0.05% (typ.) ±1 count
Operating temperature
0 to 50 °C (32 to 122 °F)
Sample rate
3 samples/sec
Supply voltage
(V+ to V-) 4.75 to 5.25 V
Supply Current
50 mA

Application Info

The DPM 340 is suitable for a wide variety of applications.  These include:

  • Precision Instrumentation Systems
  • Power Supply Monitoring
  • Hand held instruments
  • Panel-Mount Indication
  • Low Power Voltage Measurement