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Digital Power Meter for Utility SMA / SMV

Features
  • Multi-turns Potentiometer setting
  • Dual Hi & Lo setting
  • Wide input parameters & ranges
  • Output with adjustable time delayer
  • 4 digits up to 9999 counts
Model & Ordering

      

      

 

Specification
  • Accuracy :
    • 0.1% fs+ 2 counts for DC related input
    • 0.25% fs+ 2 counts for AC related input
    • 0.25% fs+ 0.5oC for temperature related input (cjc. error included)
    • 0.25% fs + 1 counts for frequency related input
  • Stability :
    • Temperatue < 100 pm per oC, 5-50oC
    • Long term stability < 0.15% draft per year
  • Input burden :
    • > 1 Megaohms for DC or AC voltage input sensing
    • < 500 mV drop for DC current input
    • < 0.5 VA for AC current sensing
  • Display : 4 digits maximum 9999 counts, 0.56" super rate LED
  • Setting :
    1. Hi & Lo set standard, Hi-Hi set optional
      2.
    2. Hi comparator setting < meter input output relay energied
      3.
    3. Lo comparator setting > meter input output relay energied
      4.
    4. Multi-turns potentiometer for each setting
      5.
    5. Switchable display range for S1, S2 & M (input measured)
      6.
  • Response time :
    • Analog conversion < 1 sec of average integration typically
    • Analog to Digital conversion 2 sample rate per second
  • Input over capability:
    • Voltage maximum for 100V rms or 2 x full input which ever great current input
    • DC version 2 times continuous, 10 times 2 sec., 25 times 0.5 sec.
    • AC version 3 times continuous, 10 times 30 seconds, 25 times 2 seconds
  • Frequency :
    • 40-400 Hz AC related meters
    • Specified range for frequency related meters
  • Control output :
    1. On-off control type
      2.
    2. Relay contact output of spdt type for each setting
      3.
    3. Capacity AC250V / 2A, AC125V / 3A, DC24V / 3A
      4.
    4. Time delayer adjustable 0-30 sec. typically, 0-60, 0-120 sec. for option
      5.
    5. Dead band for option alternatively & availably to time delayer
      6.
    6. Output indication : LED lamp energied in front panel
      7.
  • Comm. mode voltage : 2KV rms 50 / 60 Hz 1 minute
  • Impulse voltage : 4KV 1.2 * 50 us common mode test
  • Operating condition : 0 to 50oC, 20-90% RH non-condensed
  • Storage condition : -10 to 70oC
  • Power supply :
    • Standard AC 110 / 220V 50 / 60HZ +15%, <5VA
    • Option DC 12V / 24V / 48V / 125V, < 6 Watts
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