1044D - Digital Current Transformer Field Test Set The Catalog 1044D Current Transformer Field Test Set is a simple and inexpensive means whereby a current transformer installation may be quickly checked for many sources of trouble. The tests are made without interrupting the Customer's service and while the load is on.

W Series - Automatic Current and Potential Transformer Test Set For accuracy testing of instrument transformers. Current comparator principle matches different ratios of test object and standard transformer in a wide range display of the results in all accepted dimensions fully automatic remote control and data transfer via built-in RS232 interface 

Current Transformers Test Set The basic unit is sensitive magnetic comparator and also it incorporates electronic null detector to facilitate the balance. The reference Current 5A. or IA. obtained from Standard Current Transformer and in comparison to that the vector length and phase displacement is measured. The ratio error in percentage and phase displacement in minutes are directly compared and indicated on dials.

PCT 100i - Current and Potential Transformer Testing Kit Automatic CT/PT tester with large LCD display and quick control buttons. All tests can be done with only one touch on the control button

1043 - Current Transformer Field Test Set The Catalog 1043 Current Transformer Field Test Set is a simple and inexpensive means whereby a current transformer installation may be quickly checked for many sources of trouble. The tests are made without interrupting the Customer's service and while the load is on.

CTER-91 - Current Transformer Excitation, Ratio and Polarity Test Set With Model CTER-91 current transformers can be tested while mounted in transformers, oil circuit breakers breakers or switchgear - without moving bushings and CTs. Using the voltage-comparison method, Model CTER-91 provides a variable-voltage output up to 1000 volts and precision instrumentation for testing single and multi-ratio CTs.

KCTS - Current Transformer Testing System The Knopp Current Transformer Testing System (Type KCTS) is designed to measure the accuracy of instrument transformers having 5 ampere secondaries and primaries up to 8,000 amperes. When purchased with the optional Type KATC-C1 Comparator, the KCTS is capable of testing transformers with 1 or 5 ampere secondaries.

EZCT-10 - Current Transformer Test Set The Model EZCT-10 is a microprocessor-based, current-transformer test set. This rugged and portable test set measures excitation current, turns ratio and winding polarity on single- and multi-ratio current transformers. Current transformers can be tested in their field-mounted configuration, eliminating the need to remove bushings or current transformers from the host equipment.

KC-1500 - Current Transformer Test System The test system shall be able to check the accuracy of instrument transformers having primary ranges from 5 to 1500 amperes. The test system shall include a built-in, microprocessor-controlled, automatic, autoranging comparator. The test system shall incorporate protective circuitry to ensure the safety of the operator, the test system, and the transformer-under-test.

EZCT-2000A - Current Transformer Test Set The EZCT-2000A is Vanguard’s third-generation microprocessor-based current transformer test set.

PCT 200i - Current and Potential Transformer Testing Kit Automatic CT/PT tester with large LCD display and quick control buttons. All tests can be done with only one touch on the control button

GF312D-4 - Three-Phase Multifunction Energy Meter Calibrator at Worksite The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.

Three phase active or reactive electricity energy meter;
Calibrate three phase, single phase, active or reactive meter error;
Measure U(voltage) of three phase or single phase;
Measure I(current) of three phase or single phase;
Measure active power of three phase or single phase;
Measure reactive power of three phase or single phase;
Measure apparent power of three phase or single phase;
Measure power factor of three phase or single phase;
Measure phase angle between voltage and current;
Measure frequency of power line;
Display vector diagram;
Display waveform of U and I;
Analyze and display content of harmonic of U and I;
Store and look measured data;
Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;
Measure CT variable ratio;
Measure the ratio or lag-angle of low-voltage transformer.
Print the data of measurement on site;
Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT LCD;
Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.
Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.

GF312D - Field Calibrator of Three Phase Energy Meter Product Description

The instrument is a precision AC energy meter testing instrument, mainly used to test three phase energy meter error on site and measure various of AC parameters.


Features and Functions

w Three phase active or reactive electricity energy meter;
w Calibrate three phase, single phase, active or reactive meter error;
w Measure U(voltage) of three phase or single phase;
w Measure I(current) of three phase or single phase;
w Measure active power of three phase or single phase;
w Measure reactive power of three phase or single phase;
w Measure apparent power of three phase or single phase;
w Measure power factor of three phase or single phase;
w Measure phase angle between voltage and current;
w Measure frequency of power line;
w Display vector diagram;
w Display waveform of U and I;
w Analyze and display content of harmonic of U and I;
w Store and look measured data;
w Optional 5 A, 20 A, 100 A, 500 A, 1000 A, 2000 A current clamp;
w Measure CT variable ratio;
w Measure the ratio or lag-angle of low-voltage transformer.
w Print the data of measurement on site;
w Adopt 32 bit ARM processor, multi-channel 16 bit precision A/D convertor, high resolution TFT LCD;
w Inner equipped with 0.01% wide-range current transformer and can be equipped with various type current clamps, wide range of measurement and high veracity.
w Low consumption circuit design, high energy Li batter supply, intellectual power management software, which make the instrument can continuously work up to 10 hours.

GF106-F - CT/PT Analyzer Main Features
5.7' inches LCD screen
Test standards: IEC60044-1, IEC60044-2, IEC60044-5, IEC60044-6, C57.13
Tests for current transformer:
Excitation curve and parameters test
Turns ratio test
Ratio and phase error test
Polarity mark check
Secondary winding resistance measurement
Secondary loop burden measurement
5% and 10% error curve measurement
Transient CT parameters test
CT nameplate guess
CT parameters test (inflection point voltage/current, accuracy limit factor, secondary time constant, remanence coefficient, saturated/unsaturated inductance and many more features...)

Tests for voltage transformer:

PT excitation curve test
PT turns ratio test
PT polarity test
Secondary winding resistance measurement

Applications for CT/PT Analyzer:

CT nameplate check
CT parameters check in working burden
CT transient parameters analysis
CT ratio and phase error calibration
PT secondary burden calibration

SFH141 - Instrument Transformer Characteristics Tester This instrument is especially designed to test volt-ampere characteristics, transformation ratio and polarity differences for relay protection testing current transformers. It is also used to judge the polarity of transformers, as a multi-functional instrument with excellent cost performance. The instrument takes use of transformer with special winding method, as well as high efficiency, low consume materials.

DTR 8510 - Motor / Transformer Testers The DTR® Model 8510 is a portable digital transformer ratiometer designed for on-site testing of power, potential and current transformers. When connected to a non-energized transformer, the DTR® Model 8510 accurately measures primary to secondary turns ratio, while simultaneously displaying polarity and excitation current. The DTR® is fully automatic and uses an ANSI/IEEE compliant test method.

HYBC-901 - Transformer turn ratio tester Test functions
1. The voltage ratio measurement of three or singe phase transformer
2. The group vector measurement of three phase transformer.
3. The polarity measurement of single phase transformer or CT/PT
(CT that knee-point voltage should be more than 80V)
4. Voltage ratio error calculation
5. Voltage ratio range calculation of three phase transformer
6. Current transformer ratio measurement
7. Excitation current measurement in ratio testing
8. Reproduction the AC test voltage from power source to reduce the effects of bad power source
9. Save the test results in the memory internal the tester
10. Print the test results by micro printer
11. Reverse connection detect unit to prevent the high voltage injected to the operate
12. Over current protection in test voltage
13. Upload the test results to make word report by RS232 interface

Caltest 300 - Electricity Meters Tester Class 0,05 Electricity meters tester class 0,05 and 0,1. Three phase tester of current transformers and analyser of power network quality. It makes possible electricity meters testing on the site or in the laboratory.

Caltest 10 - Electricity Meters Tester Electricity meters tester class 0,05 and 0,1. Three phase tester of current transformers and analyser of power network quality. It makes possible electricity meters testing on the site or in the laboratory.

VIC 600 - Instrument Transformer Test Set This transformer testing device is designed to perform different tests on current transformer such as testing of excitation curve, ratio and burden, polarity and resistance of the burden.

HYZC - Transformer Winding Resistance Tester HYZC Series Transformer DC Resistance Tester uses Constant current source to measure the DC resistance of inductance circuit such as power transformer coil , current transformer coil and so on. The tester has functions of self test, data processing, discharge rapidly, result print and so on.

GDZC Series - Transformer DC Resistance Tester GDZC Series Transformer DC Resistance Tester uses Constant current source to measure the DC resistance of inductance circuit such as power transformer coil , current transformer coil and so on. The tester has functions of self test, data processing, discharge rapidly, result print and so on.

Testing and Commissioning Services Global Testing Services aims to provide electrical testing, commissioning and preventative maintenance of new and existing plants in a cost effective manner. We have the resources and personnel to carry out the following either on site or in house; HV & LV Switchboards, HV Switchyards, Secondary Injection of Protection Relays, Calibration of Transducers, Primary Injection of Current Transformers, Insulation Resistance Tests, Earth Testing
Contact Resistance, Testing of High Voltage Equipment, Transformer Winding Resistance Testing, Cable and Cable Fault Locating, Generator Governor Response Tests, Automatic Voltage Regulator Tests, Polarization Index Tests, Leak Testing on Steam and Pressure Vessels, Partial Discharge and Corona Detection & Fault Finding, Power Transformer Testing, Circuit Breakers,
Power Generators