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Model 2293 Winding Resistance Meter - Overview

The Tettex 2293 winding resistance meter is the result of extensive research and years of experience testing transformers. It incorporates a fast and highly advanced procedure for resistance measuring of transformer windings. The 2293 uniquely combines winding resistance measurement, turns ratio measurement, core demagnetization, transformer type detection, and heat and run test (cooling curve).


Model 2293 Winding Resistance Meter



  • Multipurpose winding analyzer: transformer winding resistance, turns ratio, demagnetization, type detection and heat run test in
    one instrument.
  • .Resistance measurement made easy - simple one-time connection system: Once connected, unit will test all phases and windings.
  • Large 7-inch touch screen interface with full graphical test visualization.
  • Unique simultaneous winding demagnetization method (SWM, equivalent to traditional equipment with up to 100 Amp test current.
  • Tap changer control signal.
  • Heat run function and six (6) temperature measurement channels with automatic resistance value correction.
  • Demagnetization function.
  • Data transfer via USB memory-stick or direct to a PC.

Resistance Measurement

Maximum Measuring Current DC

32 Amps (user selectable)

Maximum Charging Voltage DC

100 Volts

Resistance Range

0.1Ω to 300kΩ

Resistance Accuracy

0.1Ω to 300Ω (0.1% of rdg. 0.5Ω)

300.1Ω to 30kΩ (0.1% of rdg.)

30.1kΩ to 300kΩ (1% of rdg.)


Ratio Measurement

Max. Supply Current AC

1Apeak /700mARMS

Max. Measurement Voltage AC

95Vpeak / 67VRMS


1 to 100,000

Ratio Accuracy Note1

1.0 to 100 (0.05% of rdg.)

100 to 2,000 (0.1% of rdg.)

2,000 to 20,000 (1% of rdg.)

20,000 to 100,000 (5% of rdg.)

Phase Ratio Measurement Note2

1.0 to 500 (0.25)

500 to 10,000 (1.00)

Phase (Clock No. Detection) Note2

1.0 to 500 (0.05)


Environmental Specifications

Operating Temperature

-10C to 60C

Storage Temperature

-20C to 70C

Relative Humidity

5% to 95% R.H. non-condensing


MIL-STD-810G Table 514.6C-II. Category Common carrier


General Specifications

Power Supply

90V to 264V AC 47Hz to 63Hz, 1000W


521mm (W) x 425mm (D) x 216mm (H)




Note 1:

at temperature 0 to 50C at highest available current

Note 2:

at temperature 0 to 50C at highest available current

Ordering Information

Haefely Hipotronics 2293

Winding Resistance Meter; Includes 8 measuring channels, 6 built-in temperature channels, 7-inch graphical touch screen interface, tap changer control signal, built-in printer, USB and LAN connections for data exchange, Software, Carrying case, Operators Manual and accessories.


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Macey's Electrical Pty. Ltd.
ABN 17 344 601 468
Unit 1, 49 Gavenlock Road, Tuggerah, NSW Australia 2259
Phone: +61 2 4353 4644    Mobile: 0412 678 925