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15kV Insulation Resistance Meter | MIC15k1
R128,722.00 ex vat

15kV Insulation Resistance Meter - Overview

The MIC-15k1 meter is designed to measure the insulation resistance of power objects up to 15kV, i.e. single and multicore cables, transformers, motors and generators, capacitors, switches, and other devices installed in power stations. It is especially recommended for measurements in areas with very high electromagnetic disturbances, e.g. electrical substations with 1200 kV AC and 500 kV DC. Thanks to the 15 kV measuring voltage (in accordance with ANSI / NETA ATS-2009 TABLES 100.1) the meter can be used for measuring objects with a nominal voltage above 34.5 kV.

15kV Insulation Resistance Meter - Features
- Diagnostics of insulation systems based on standard measurements of IR, DAR, PI, SV, RT, and DD, widened with the partial discharge (PD) indicator for each of these measurements
- Testing the electrical durability of tested object - breakdown voltage indication
- High resistance to electromagnetic interferences - uninterrupted work in power stations & close to high voltage transmission lines up to 1200 kV AC & 500 kV DC
- Smooth voltage rise in time function (RT - Ramp Test) - state the partial discharges in the facility and carry out a partial location of their occurrence
- Efficient converter with a power of ~150 W enables insulation burnout, allowing for pinpointing the location of cables and wires short circuit using one of the following:
  - visual method (if power cables are visible along the entire length)
  - reflectometric methods, seismic-acoustic waves detector, or with A-frame to indicate the direction of the fault (the conductor must be buried in the ground with earth direct contact)
- Compatible with external software
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Advanced Thermal Imager | KT-560.1
R210,777.00 ex vat
Advanced Thermal Imager - Overview

This Advanced Thermal Imager is highly accurate and is robustly designed and constructed. It is ideally suited for troubleshooting electrical installations, wiring, panels, motors, breakers, transformers, switchgear, and electrical equipment; monitoring the thermal performance of industrial manufacturing processes; identifying overheating of mechanical and electro-mechanical components; inspecting buildings for insulation leaks, energy audits, HVAC/R equipment, water damage, and pests; and locating hidden heat sources (of people, animals, objects) in dark or low-light conditions. The touchscreen and lens swivel independently to view objects of interest that are difficult to access from any angle. It has a large number of functions, intuitive handling and excellent ergonomics making it ideal for every advanced thermographer.

Advanced Thermal Imager - Features
- Image files saved in JPG format
- Recording of IR videos
- Built-in reports module
- MIF image combining mode
- Extensive image analysis tools
- Built-in camera for capturing images within the visible light spectrum
- Built-in: GPS, digital compass, LED flashlight, laser.pointer, laser rangefinder
- Interfaces: USB type C, Wi-Fi, Gigabit Ethernet, micro HDMI, SD memory card slot, Bluetooth
- Digital zoom
- Interchangeable lenses do not require calibration by the manufacturer
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1
Turns Ratio and Winding Resistance Analyser | TWR-250B

Turns Ratio and Winding Resistance Analyser - Overview

This analyser is battery-operated and is designed for measuring transformer winding resistance and turns ratio. It is capable of testing six transformer windings with a single cable connection, as well as three-phase automatic transformer demagnetisation. It has the option of automated test mode, where the instrument operates the tap changer without operator input (minimising the risk of human error) and records winding resistance and turns ratio results based on pre-selected criteria. This also measures excitation current and phase shift. This enables detecting transformer core or winding turns failures which cannot be spotted by measuring turns ratio only. It has a built-in true three-phase power source so it can test transformers with special configurations, such as phase-shifting, rectifiers, arc-furnace, traction transformers. The instrument can output test current up to 25 A DC for winding resistance tests and voltage up to 250 V AC for turns ratio tests, but it can also output a very low-test voltage of 1 V AC, which is necessary for turns ratio verification of the majority of current transformers. It has a large 10.1” graphical touch-screen display with test templates and automatic test mode. Users can create test templates, store and load them with just a few clicks.

Turns Ratio and Winding Resistance Analyser - Features
- Winding resistance measurement
- Demagnetisation
- Turns ratio measurement
- Turns ratio deviation calculation
- Excitation current measurement
- Phase angle measurement
- Automatic vector group detection
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Winding Single Phase Resistance Meters | RMO-TT

Winding Single Phase Resistance Meters - Overview

The RMO-TT series is designed for winding resistance measurement of inductive objects. It uses advanced switch-mode technology. It is an accurate (0,1% rdg + 0,1% F.S.), and powerful portable instrument (up to 100 A). It generates a true DC ripple-free current with automatically regulated measurement and discharging circuit. It can perform simple, quick and reliable transformer on-load tap changer condition assessments. This series enables measurements of a winding resistance in every tap position, current ripple values and transition times during the tap changes. Problems with the connection, contacts, and selector/diverter switch operation can be detected with these measurements. It is equipped with thermal and overcurrent protection. It has the ability to cancel electrostatic and electromagnetic interference that exists in HV electric fields. This is achieved by a proprietary filtration solution applied to both the hardware construction and the application software implementation. Applications include: winding resistance measurement of inductive test objects; dynamic resistance measurement (DVtest) of on-load tap changers; measurement of on-load tap changer motor current by using a dedicated channel; heat run test, which enables obtaining the Hot Spot temperature along with resistance graph during the cooling process 1; and single-phase automatic transformer demagnetisation.

Winding Single Phase Resistance Meters - Features
- On-load tap changer dynamic resistance measurement
- Three resistance measurement channels
- Four temperature measurement channels
- Vibration measurement channel
- Tap changer motor current monitoring channel
- Automatic measurement for the Heat Run test
- Rapid automatic demagnetisation
- Automatic discharge circuit
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Turns Ratio Tester | TRT Advanced Series

Turns Ratio Tester - Overview

TRT advanced series are true three-phase, fully automatic test devices specially designed for turns ratio, phase shift, and excitation current measurements of power, distribution, and instrument transformers. It determines the transformer turns ratio by applying voltages across high-voltage windings, accurately measuring voltages across the unloaded transformer windings, and then displaying the ratio of these voltages. The test set can be used to test single-phase and three-phase transformers, both with and without taps in accordance with the requirements of the IEC 60076-1 standard. It has a very high ability to cancel electrostatic and electromagnetic interference in HV electric fields.

Turns Ratio Tester - Features
- Automatic vector group detection
- Built-in tap changer control unit
- Interchangeable test leads with Three-phase Winding Ohmmeters & Tap Changer Analysers TWA Series
- Single-phase test voltages up to 500 V AC
- True three-phase test voltages up to 3x290√3V AC
- Up to 5 kV AC with additional CVT20 for testing capacitive voltage transformers
- The best turns ratio accuracy of 0.03% • Large 10.1” or 7” graphical touch screen display
https://www.youtube.com/watch?v=V8ktNqs6SPE

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Winding Resistance Meters Single Phase with DRM | RMO-TD Series

Winding Resistance Meters Single Phase with DRM - Overview

The RMO-TD series is designed for winding resistance measurement of inductive objects. It is based on the most advanced switch-mode technology available today. It is accurate (0,1% rdg + 0,1% F.S.), and powerful (up to 60 A). It generates a true DC ripple-free current with automatically regulated measurement and discharging circuit. It can perform simple, quick and reliable transformer on-load tap changer condition assessments. This series enables measurements of a winding resistance in every tap position, current ripple values and transition times during the tap changes. Problems with the connection, contacts, and selector/diverter switch operation can be detected with these measurements. It is equipped with thermal and overcurrent protection. It has a high ability to cancel electrostatic and electromagnetic interference that exists in HV electric fields. This is achieved by a proprietary filtration solution applied to both the hardware construction and the application software implementation.

Winding Resistance Meters Single Phase with DRM - Features
- On-load tap changer (OLTC) dynamic resistance measurement DVtest
- Three measurement channels
- One temperature measurement channel
- Tap changer motor current monitoring channel
- Built-in tap changer control unit
- Automatic resistance measurement for the Heat Run test
- Rapid automatic demagnetisation
- Automatic discharge circuit
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Handheld Winding Ohm Meter | RMO-TH Series

Handheld Winding Ohm Meter - Overview

The handheld winding ohm meter device is a DV Power single-phase instrument specially designed for measuring transformer winding resistance and performing transformer demagnetisation. Winding resistance is determined by injecting DC current through a winding, accurately measuring DC voltage across the winding, and then calculating resistance as the ratio of voltage and current. The device generates true DC ripple-free currents. Both the injection of the current and the discharge of energy from the transformer magnetic circuit are automatically regulated. The instrument has two output DC sources for measuring transformer winding resistance. The first DC source can output a maximum of 2 A DC and is designed for injecting current into the transformer’s high-voltage winding. The second DC source can output a maximum of 10 A DC and is designed for testing the transformer’s low-voltage winding. Having two separate DC sources is especially useful when measuring the winding resistance of distribution transformers. These transformers have a large turns ratio. Because of that, the difference between resistances of high voltage and low voltage windings is very big. This requires different levels of test currents for high-voltage and low-voltage windings. Applications include: winding resistance measurement of distribution and instrument transformers, motors, and generators, and demagnetisation of distribution and instrument transformers, motors, and generators.

Handheld Winding Ohm Meter - Features
- Two Output DC Sources
- Memory
- DV-TR Software
- Internal Li-Ion battery
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Three-Phase Transformer Turns Ratio Tester | TRT Std Series

Three-Phase Transformer Turns Ratio Tester - Overview

The TRT Standard series offers advanced instrumentation which includes LCD displays. Each model measures transformer excitation current and phase shift and performs automatic vector group detection and magnetic balance on three-phase transformers and three-phase autotransformers. They have built-in true three-phase power sources which equip test transformers with special configurations, such as phase-shifting, rectifiers, arc-furnace, traction transformers, etc. The instruments can output test voltages from 1 V AC to 250 V AC, depending on the chosen model. A high test voltage of 250 V AC provides more accurate turns ratio testing compared to other turns ratio testers on the market, with an extremely low test voltage of 1 V AC enables turns ratio verification of current transformers. Applications include: turns ratio measurement, turns ratio deviation calculation, excitation current measurement, phase angle measurement, automatic vector group detection, verification of demagnetisation process and magnetic balance testing.

TRT03 Models (TRT03A, TRT03B, TRT03C) – single-phase voltage up to 100 V
TRT33 Models (TRT33A, TRT33B, TRT33C) – single and true three-phase voltage up to 100 V
TRT63 Models (TRT63A, TRT63B, TRT63C) – single and true three-phase voltage up to 250 V

Three-Phase Transformer Turns Ratio Tester - Features
- True Three-Phase Test Voltage TRT (except TRT03)
- Highest accuracy for turns ratio, excitation current, and phase angle
- High measurement resolution
- Interchangeable cables with TWA
- Automatic Vector Group Detection
- Built-in Tap Changer Control Unit
- DV-TR software is included
- Magnetic Balance Test
- Memory store 200 test records. Each consists of 50 test readings
- USB Flash Drive
- Optional Built-in Printer
https://www.youtube.com/watch?v=aUJ0BNudhI4&t=17s

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Single Phase Winding Resistance Meters | RMO-TW Series

Single Phase Winding Resistance Meters - Overview

This series is ideal for measuring the winding resistance of inductive objects. It is perfect for testing transformer windings (power transformers, distribution, autotransformers) and for on-load tap-changer verification. In addition, it can also perform transformer demagnetisation. The series contains 4 models, with maximal test currents from 10 A (RMO10TW) to 50 A (RMO50TW). They are fitted in a portable and lightweight metal housing. Rack-mount available on request. It generates a true DC ripple-free current with an automatically regulated measurement and discharging circuit. The injection of current and discharge of energy from the test object is automatically regulated. Three independent channels enable the testing of three windings in series. Consequently, this enables measurements of winding resistance in every tap position of an on-load tap changer without discharging between the tests. The software enables control and observation of the test process, as well as saving and analysing the results on a PC. It provides a test report, arranged in Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple, and the winding resistance for each tap-changing operation.

Single Phase Winding Resistance Meters - Features
- Test Voltage up to 55 V DC
- Simultaneous Three-Channel Winding Resistance Measurement
- On Load Tap Changer Verification
- Transformer Demagnetisation
- DV-TR Software
- Heat Run Test Application
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Handheld Turns Ratio Tester | TRT-H

Handheld Turns Ratio Tester - Overview

The TRT-H is a battery operated, handheld, fully automatic test set designed for turns ratio, excitation current and phase shift measurements of transformers. The transformer turns ratio is determined by applying AC voltage across high-voltage winding, accurately measuring AC voltage across the corresponding unloaded transformer winding, and then displaying the ratio of these voltages. The user can enter a transformer’s nameplate voltages, so that the turns ratio deviation can be calculated. This feature eliminates any error otherwise caused by an operator’s manual calculation. It compares measured turns ratio with the nameplate ratio and prints out the % of error for each test. Applications include: Turns ratio measurement of distribution transformers; Turns ratio verification of instrument transformers; Turns ratio deviation calculation; Excitation current measurement of distribution and instrument transformers; Phase angle measurement of distribution and instrument transformers; and Polarity check of instrument transformers.

Handheld Turns Ratio Tester - Features
- Unique handheld instrument
- Extremely lightweight – only 1.4 kg / 3.1 lbs
- Measures 3 transformer parameters:
  - Turns ratio
  - Excitation current
  - Phase angle
- Single-phase test voltage up to 40 V AC
- Turns ratio accuracy up to ±0.1%
- Battery-powered
- Tests single-phase and three-phase transformers
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Handheld Turns Ratio and Winding Resistance Meter | TWR-H Series

Handheld Turns Ratio and Winding Resistance Meter - Overview

This handheld, battery-operated, fully automatic test set is designed for turns ratio, phase shift, excitation current of transformers, and winding resistance measurement of transformers and other inductive objects. It can also perform demagnetisation of transformers, motors, and generators. The device generates true DC ripple-free currents. Both the injection of the current and the discharge of energy from transformer magnetic circuit are automatically regulated.

Handheld Turns Ratio and Winding Resistance Meter - Features
- Unique handheld instrument on the market
- Performs 3 different tests: Turns ratio, Winding resistance, Demagnetisation
- Single-phase test voltage up to 40 V AC
- Two DC current sources: Test current up to 2 A DC for transformer HV side, Test current up to 10 A DC for transformer LV side
- Extremely lightweight – only 1.4 kg / 3.1 lbs
- Battery-powered
- Tests single-phase and three-phase transformers
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