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Omicron Testrano 600

The Omicron Testrano 600 is the world’s first portable three-phase test system which supports all common electrical tests on single and three-phase power and distribution transformers for routine and diagnostic testing on-site or during factory acceptance tests (FAT).

Using TESTRANO 600 enables you to perform various tests on power transformers without re-connecting, meaning the TESTRANO 600 cuts testing time down to one third compared to conventional single-phase test sets. 

ESS Code: HRPH.102

  • True three-phase power transformer test system
  • Powerful device with 3 x 33 A DC or 400 V AC
  • Reduced connection effort as the same connection can be used for various tests
  • Three times faster testing
  • Total weight of 20 kg / 44 lbs – ideal for on-site testing    

Just three cables are needed to be connected to perform various tests with TESTRANO 600: 

  • Transformer Turns Ratio
  • DC Winding Resistance
  • Dynamic Resistance
  • Demagnetization
  • Short-Circuit Impedance / Leakage Reactance
  • Frequency Response of Stray Losses
  • OLTC Scan / Dynamic Resistance (DRM)
  • Vector Group Check
  • Cooldown Test
  • Power Losses at Low Voltages

In order to perform power/dissipation, capacitance and exiting current measurements, you can combine TESTRANO 600 with the CP TD12/15 accessory

Technical Document

Testrano 600 Data sheet

Testrano 600 Data sheet

3 cables, which support a 4-wire (Kelvin) connection, only have to be connected once at the transformer’s terminals. Then all test outputs and measurement inputs are automatically controlled by TESTRANO 600 without the need to change the connection again.

Lead time: 1 days

Delivery and Collection charges will be displayed in the basket at checkout stage and will vary depending upon your location and transport method applied.

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Omicron Testrano 600

hire Price

ESS Code: HRPH.102
£800.00 Weekly

Rates exclude VAT and Damage Waiver

£800.00 Ex. VAT


Minimum hire period: 5 days

Lead time: 1 day

Please note you will be charged for the minimum hire period if your order is for a period less than this. A web account linked to your ESS Credit account is required to hire online.

Key Product Features

  • True three-phase power transformer test system

  • Powerful device with 3 x 33 A DC or 400 V AC

  • Three times faster testing

  • Total weight of 20 kg

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