Duncan Instruments Canada Ltd
Duncan Instruments Canada Ltd.
Electronic Measurement Solutions since 1968
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TR-Mark III: Three Phase Turns Ratiometer New!

Top performance with single button operation:

  • Automatic measurements of voltage, turns ratio, current, and phase displacement
  • Easy one time hook up to the transformer
  • Automatic test voltage range
  • Displays deviation from a nominal ratio
  • Simple touch screen operation
  • Graphical tap changer display
  • Tap changer interface
  • Load on test object <0.05 VA
  • Measures power transformers PTs and CTs
  • Displays % error vs. name plate value
  • Automatic phase vector detection
  • Enhanced heavy-duty protection circuitry
  • Emergency stop push button immediately turns off output
  • Internal printer
  • Data storage of over 10,000 measurements
  • Data exchange with USB-key
  • Mounted in rugged case for field-testing
Specification
Measurement Parameters

Voltage/Turns Ratio Range:

0.8 ... 16,000

Resolution:

5 Digits
Accuracy

Range 0.80 ...2000

±0.08% Rdg±1 LSD with 100 or 40 Volt, ±0.15%Rdg±2LSD with 10 Volt

Range 2001 ...4000

±0.1% Rdg±1 LSD with 100 or 40 Volt, ±0.22%Rdg±2LSD with 10 Volt

Range 4001...13,000

±0.3% Rdg±1 LSD with 100 or 40 Volt, ±0.5%Rdg±2LSD with 10 Volt
  ±0.4% Rdg±1 LSD with 100 or 40 Volt
Current Measurement

Range :

0 ... 1 Ampere

Accuracy:

± 0.001 Ampere

Resolution:

0.0001 Ampere
Phase angle

Range :

± 90 Degrees

Accuracy:

± 0.05 Degree

Resolution:

0.01 Degree
Size L: 18. 5" (470mm) W: 14.6" (371mm) H: 7.5" (190mm)
Weight 21 lbs. (9.5 kg).
Input Power 100 to 250 vac 50/60 Hz Autoranging. Fuse: 2 Amp
Test Voltage User selectable: 100, 40, 10 and 1 vac 1 ampere
Panel Display Color LCD with back lighting and touch screen
Front Panel Sealed anodized
Interface 9 pin RS232 serial / 2 USB 1.1 (1 host, 1 device)
Memory Storage Stores over 10,000 complete tests results
Temperature Operating - 10° C to 60° C Storage - 20° C to 70° C
Cable Set / Accessories •Hand X lead-set – 5m each • H and X extensions – 10m each • Safety ground, power cord • External USB-key, USB and RS-232 Cable • Instruction manual, printer paper (5 rolls) • Cable bag

For your price and delivery inquiries, application details, comments, and general feedback, please feel free to use our Feedback Mailbox 


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Last modified February 16, 2011.

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