Tettex TTR2796 Three Phase Transformer Turns Ratio Meter

Tettex TTR2796 Three Phase Transformer Turns Ratio Meter
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Tettex TTR2796
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Features:

  • Fully automated measurement of turns ratio, voltage ratio, phase displacement, and excitation current.
  • Better transformer excitation due to higher test voltage of 250V.
  • Highest accuracy on the market - up to 0,03%.
  • Ratios of up to 50’000 can be measured
  • Measurement of phase displacement of transformers with irregular vector groups like: phase shifting, rectifier, arc-furnace and traction transformers.
  • Automatic Winding Connection Identification (AWCI) and automatic vector group detection supports quick and easy operation.
  • Quick setup with intuitive guide-through user interface. Test setups and results can be stored and recalled, printed out with the built-in printer or used for later analysis.
  • Lightweight, rugged and compact design allows use in harsh environment (field proof). Closed case is IP65 waterproof, open case is splash proof.
  • Safety connection control feature proofs test setup before applying regular test voltage to guarantee safety of the personnel and instrument.
  • Free external application software allows data exchange and advanced analysis of results on a computer (USB connection) including automatic report generation.
  • Remote tap changer switch enables convenient testing of multi-tap transformers.


Specifications:

General
Excitation voltage 2.5 V, 25 V, 100 V and 250 V; automatic or manual selectable
Excitation current max. 1 A
Display 5.2” dot matrix LCD 240x128 module with backlight
Memory Stores up to 100 complete test results / test setups
Printer Thermal strip printer, paper width 58mm
Interfaces
Computer: USB 2.0 client (with supplied adapter)
Tap changer: 3 pole contact in/out (potential free)
Operating temperature - 10°C* … 55°C * - 10°C typical, - 5°C guaranteed
Storage temperature - 20°C … 70°C
Humidity 5 .. 95 % r.h. non-condensing
Mains 95 … 240 V AC, 50/60 Hz, max. 1.3 A
Dimension (L x W x D) 41 cm x 31 cm x 17 cm (16” x 12.2” x 7”)
Weight 8.8 kg (19 lbs) excl. cables