Electrical Integrity Tester

Mini-WDT sweep frequency response analyzer uses frequency analysis to evaluate whether a transformer has suffered mechanical damage and complies with IEC60076-18.

• Meet IEC 60076-18 standard

• Portable and light-weight for easy use

• Analysis software allows further diagnostics

• Reproducible results thanks to innovative connection technique

DRT3XXL series automated six-winding transformer ohmmeter delivers full eight-terminal resistance measurement capability. Widely used in field testing of CT\PT power transformer windings, verifying factory winding resistance test results, etc.

• Built-in printer

• Built-in auto-demagnetization

• DC test current up to 20A(DRT-320L)、40A(DRT-340L)

• One-time connection principle results in faster setup time eliminating safety risk

• Automated eight-terminal/six-winding measurement capability

• Simultaneous winding magnetization for fast and accurate dc winding resistance measurements of high inductive loads

A portable transformer ohmmeter with an accuracy of ±(reading×0.2%+2) can be used to test transformers, shunt reactors, etc. for low current resistance measurement.

• DC test current up to 10A

• 5.6-inch color LED screen

• Built-in battery(Optional)

• Wide measurement range (500uΩ ~ 50kΩ) and high accuracy

• DC test current up to 20A, 40A, and 50A for different models

• 7-inch full-color touch display for easy operation and viewing

• Auto resistance-rate calculation at 5s, 15s, and 30s intervals

• Ground-wire disconnection alarm function (DCR40/DCR50 only)

The three-phase transformer winding analyzer can perform polarity validation, turns ratio and winding resistance tests with the same one-time lead connection.

• With TTR and winding resistance tests

• TTR, range up to 10000,±0.1 % accuracy

• Save time and protect operators with efficient one-time lead connection for tests

• Battery powered

The TRT-20 is designed to test all power, instrument (CTs and PTs), and distribution transformers without the need of traditional high voltage excitation.

• Built in printer

• Battery powered(Optional)

• Displays % error vs. name plate value

• 3-phase test voltage-fast testing of all transformers

The STRT-100 is designed to test all power, instrument (CTs and PTs), and distribution transformers without the need of traditional high voltage excitation.

• Portable to carry

• Built in printer

• Battery powered (optional)

• Displays % error vs. name plate value

DRT-340L 40A Automated Six-Winding Transformer Ohmmeter adopts a one-time connection design, has built-in degaussing function, and three-phase balance analysis to provide a reliable and efficient test solution for the field.

• Built-in auto-demagnetization

• Built-in printer

• DC test current up to 20A or 40A (optional)

The DRT series of automated six-winding transformer ohmmeters delivers full eight-terminal resistance measurement capability. It's designed to save you time by testing all normal six windings without having to disconnect and reconnect leads during testing.

• Built-in auto-demagnetization

• Built-in printer

• DC test current up to 20A or 40A (optional)

The HDRT-310 is an automatic hand-held battery operated transformer ohmmeter, allows the user to operate the test set while holding it in one hand. It offers 3 test channel up to 10A with a range from 500µΩ to 50kΩ.

• Battery operated

• Lightweight – 1.6 kg

• Handheld design, easy to carry

• One button test, no need to select current

• Ability to show three phase winding resistance balance