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Model: PM-350 Miniature AC & DC Voltmeter

PM-350 Data Sheet.pdf - General Information

Decimal Locations
Overload Indication
Unipolar / Bipolar
Input impedance
Temperature Coefficient (as %rdg/C)
Common-Mode Voltage Range
AC/DC Reading
Output Signal
Update Rate
Weight (Metric)
Large LED Display
Green, Orange or Yellow LEDs
Current Measurement
Ratio Measurement
100mV FS: 01mV Resolution
MUX BCD Output
Leading Zero Suppression
Display Hold
Zero Offset
Special Scaling
Mating Connector
120 VAC Power
240 VAC Power
200mV, 2V, 20V, 200V, 1000V
0.3" LED
Pos= +1; Neg= -1
(.05%rdg+ .05%F.S.)
100MW 200mV; 1000MW, 2v; 1MW, 20v; 1000v
-1.5V to+4V
+5Vdc 5% @200mA
4 oz. (113g)

Miniature AC & DC Voltmeters

digital.jpg (6144 bytes)
Models PM-349 and PM-350
The PM Series Full-functioned miniature digital voltmeters are AC or DC reading, and feature AC or DC power options, and LED or LCD displays. These versatile meters are available in 100mV, 200mV, 1V, 2V, 10V, 20V, 100V, 200V, or 1000V ranges. Highly accurate (up to 0.02% of full scale), with rapid update rates (up to three reading per second), these meters feature bipolarity (PM-3 is unipolar), a presettable decimal point, overload indication, an extensive list of application-specific options, and easy installation.

  • Voltage (DC or AC)
  • Current (DC or AC)
  • Ratio

  • Current measurement
  • Ratio measurement
  • 0.4-inch LEDs
  • Green, orange, or yellow LEDs
  • 120 or 240Vac power
  • Operation from other than 5Vdc
  • Special scaling
  • Zero offset

  • Small size- stackable
  • Multiple options
  • 3, 3 , 4 and   4 digit models
  • 0.3-inch red LED or LCD display
  • 1000, 2000, 12000 and 20000 counts full scale
  • Accuracy's from 0.1% to 0.2% full scale
  • Auto-zeroing
  • Overload indication
  • Bipolar / Unipolar operation
  • Automatic polarity indication
  • Polarity inhibit
  • Low power consumption
  • Display inhibit / dimming
  • Display hold
  • Busy / done output
  • MUX BCD outputs
  • High input impedance - up to 1000 MW
  • 3/64 DIN type
  • Presettable decimal point
  • Easily changeable ranges

    Standard Specifications
  • Operating Temperature:
    0C to 50C ambient
  • Weight:
    Four ounces (113 grams)
  • Decimal Location:
    May be positioned by jumper on connector to any of three or four locations x.x.x.x.x.
  • Control Signals:
    Display hold, display inhibit, and polarity inhibit
  • Measurement Method:
    Integration, Input Integration time = 50 mSec for PM-3, 100 mSec for PM-4
  • Zero Stability:
    Auto-zeroing eliminates zero drift
  • Settling Time:
    Two seconds maximum
  • Common Mode Rejection Ratio:
    80 dB minimum
  • Normal Mode Rejection Ratio:
    40 dB minimum
  • Warm-up Time:
    10 Seconds to rated accuracy
  • Connector Type:
    Edge card

    diagramPM.jpg (10887 bytes)




    *Applies when instrument is used with NLS 46-279-1 power supply. When not used, common-mode voltage and rejection will depend upon the characteristics of the power supply used. The use of a floating supply is recommended.

    Non-Linear Systems - Non-Linear Systems
    4561-F Mission Gorge Place, San Diego CA 92120 - Phone: (619) 521-2161

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