TESTS AVAILABLE WITH THE AT5600

Test over 40 parameters of your magnetic components with the Voltech AT5600 transformer testing equipment

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LOW VOLTAGE TESTS FOR AT5600

Low voltage tests assess the electrical performance and integrity of a transformer under safe, low-power conditions, utilizing test signals ranging from 1 mV to 5 V. These tests verify parameters such as DC Resistance, Turns Ratio, and Leakage Inductance, ensuring compliance with design specifications. The AT5600 streamlines these procedures, providing precise and reliable measurements for efficient quality assurance.

Test	Description	Main Application	Winding Tested	Reason for Test
R	DC Resistance	All transformers	All windings	Properly installed fixture. Correct wire used. Integrity of terminations
LS	Inductance (Series circuit)	Most transformers, but usually not line frequency transformers	One winding, usually the primary	Correct primary turns. Right grade of core material. Core correctly assembled
LP	Inductance (Parallel circuit)	Most transformers, but usually not line frequency transformers	One winding, usually the primary	Correct primary turns. Right grade of core material. Core correctly assembled
QL	Quality Factor	Most transformers, but usually not line frequency transformers	One winding, usually the primary	Right grade of core material. Core correctly assembled. Check for shorted turns
RLS	Equivalent Series Resistance	Most transformers, but usually not line frequency transformers	One winding, usually the primary	Right grade of core material. Core correctly assembled. Check for shorted turns
RLP	Equivalent Parallel Resistance	Most transformers, but usually not line frequency transformers	One winding, usually the primary	Right grade of core material. Core correctly assembled. Check for shorted turns
D	Dissipation Factor	Most transformers, but usually not line frequency transformers	One winding, usually the primary	Right grade of core material. Core correctly assembled. Check for shorted turns
LL	Leakage Inductance	SMPS transformers Communication transformers Others as applicable	Selected windings	Check windings have been installed in the correct position relative to the core
C	Interwinding Capacitance	High frequency transformers. Isolating transformers	Selected windings	Check winding positioning.Check insulation thickness between windings
TR	Turns Ratio and Phasing	Most transformers, but usually not line frequency transformers	All windings	Check windings have correct turns and phasing
TRL	Turns Ratio by Inductance	As with Turns Ratio but used where there is poor flux linkage between windings.	All windings	Check windings have correct turns and phasing
LVOC	Low Voltage Open Circuit	Usually line frequency transformers	All other windings	Correct secondary turns. Correct phasing
LSB	Inductance with Bias Current (Series Circuit)	Transformers for use in applications where passing significant (dc) bias current is part of the normal operation	One winding	Correct number of turns. Right grade of core material. Core correctly assembled.
LPB	Inductance with Bias Current (Parallel Circuit)	Transformers for use in applications where passing significant (dc) bias current is part of the normal operation	One winding	Correct number of turns. Right grade of core material. Core correctly assembled.
R2	DC Resistance Match	SMPS, audio & telecom	All windings	Checks matching between windings
L2	Inductance Match	SMPS, audio & telecom transformers	All windings	Checks matching between windings
C2	Capacitance Match	SMPS, audio & telecom transformers	All Windings	Checks correct winding position on bobbin
GBAL	General Longitudinal Balance	Audio & telecom transformers	Selected Windings	Checks common mode rejection ratio
LBAL	Longitudinal Balance	Audio & telecom transformers	Selected Windings	Checks common mode rejection ratio
ILOS	Insertion Loss	Audio & telecom transformers	Selected Windings	Checks losses within the transformer
RESP	Frequency Response	Audio & telecom transformers	Selected Windings	Checks losses over a range of frequencies
RLOS	Return Loss	Audio & telecom transformers	Selected Windings	Checks losses returned by a transformer
Z	Impedance	Audio & telecom transformers	Selected Windings	Checks impedance at a given frequency
ZB	Impedance + bias	Audio & telecom transformers	Selected Windings	Checks impedance at a given frequency
ANGL	Impedance Phase Angle	Audio & telecom transformers	Selected Windings	Finds phase shift between Voltage and Current on a winding.
PHAS	Interwinding Phase Test	Audio & telecom transformers	Selected Windings	Measures phase shift between a pair of windings

MEDIUM VOLTAGE TESTS FOR AT5600

Medium voltage tests evaluate a transformer's performance under moderate electrical stress, simulating typical operational conditions with test signals ranging from 1 V to 270 V. These tests include assessing leakage current, wattage and stress wattage tests, ensuring the unit meets operational standards. The AT5600 offers a comprehensive solution for medium voltage testing, ensuring accurate results and enhanced reliability.

Test	Description	Main Application	Winding Tested	Reason for Test
ILK	Leakage Current Test	Medical applications	Between Primary and Secondary Windings	Checks for a common mode current due to capacitance
MAGI	Magnetizing Current	Usually line frequency transformers	One winding, usually the primary	Correct primary turns Correct core material properly assembled
VOC	Open Circuit Voltage	Usually line frequency transformers	All other windings	Correct secondary turns. Correct phasing
WATT	Wattage	50Hz Iron core transformers	One winding	Correct core material. Properly assembled
PWRF	*Power Factor	Usually, line frequency transformers or Current Transformers	One winding, usually the primary	Power losses over whole transformer.
STRW	Stress Wattage	Line frequency & High Frequency Transformers	One Winding (Usually the primary)	Checks integrity of inter-turn insulation, the magnetic material and joints

*New. Not included in the Gold Model.

HIGH VOLTAGE TESTS FOR AT5600

High voltage tests are critical for evaluating a transformer's insulation strength and ability to withstand extreme electrical stresses. Using test signals ranging from 100 V to 7 kV, these tests, such as high potential (Hi-Pot) and surge testing, ensure long-term durability and safety. The AT5600 provides advanced features and precise diagnostics to deliver robust high voltage test results with confidence.

Test	Description	Main Application	Winding Tested	Reason for Test
HPDC	Hi-Pot (DC)	All transformers especially those used for safety insulation	Between selected windings usually primary to secondary, screens and core	High voltage safety insulation
HPAC	Hi-Pot (AC)	All transformers especially those used for safety insulation	Between selected windings usually primary to secondary, screens and core	High voltage safety insulation
SURG	Surge Stress Test	All transformers, especially those using fine wire	Selected windings	To identify shorted turns
IR	Insulation Resistance	All transformers	Between selected windings	Winding isolation check where safety is not involved

*New. Not included in the Gold Model.

DC1000A TESTS WITH THE AT5600

The DC1000A Tests measure inductance and impedance under DC bias with high precision across a wide frequency range (20 Hz to 3 MHz) and signal levels (1 mV to 5 V). Your AT Test program controls both the Transformer Tester and the DC Bias unit, seamlessly integrating LSBX, LPBX, or ZBX tests into the AT program sequence.

Test	Description	Main Application	Winding Tested	Reason for Test
LSBX	Inductance with External Bias (Series Circuit)	Wound components that usually carry a significant DC Bias current in normal operation.	Selected Windings	Checks number of turns, right grade of correctly assembled core material, where bias current is greater than LSB test can handle.
LPBX	Inductance with External Bias (Parallel Circuit)	Wound components that usually carry a significant DC Bias current in normal operation.	Selected Windings	Checks number of turns, right grade of correctly assembled core material, where bias current is greater than LPB test can handle.
ZBX	Impedance with External Bias	Audio & Telecom	Selected Windings	Checks impedance at a given frequency, while applying a greater bias current than is possible with ZB test.

LEARN MORE ABOUT THE DC1000A

AC INTERFACE FIXTURE TESTS WITH THE AT5600

The AC Interface Fixture enables advanced high-voltage AC testing, including MAGX, VOCX, WATX, and STRX, for precise performance and safety evaluations. It integrates seamlessly into your AT test program, supporting signals up to 600 V and frequencies from 20 Hz to 5 kHz.

Test	Description	Main Application	Winding Tested	Reason for Test
MAGX	Magnetising Current (External Source)	Usually line frequency transformers	One winding, usually the primary	Correct primary turns. Correct core material properly assembled.
VOCX	Open CCT Voltage (External Source)	Usually line frequency transformers	All other windings	Correct secondary turns. Correct phasing.
WATX	Wattage (External Source)	50Hz Iron core transformers	One winding	Correct core material. Properly assembled.
STRX	Stress Watts (External Source)	Line frequency & High Frequency Transformers	One Winding (Usually the primary)	Checks integrity of inter-turn insulation, the magnetic material and joints.

LEARN MORE ABOUT THE AC INTERFACE FIXTURE

Test	Description	Main Application	Winding Tested	Reason for Test
WAIT	*Wait test	Introduce a fixed duration or indefinite pause in program.	N/A	Allows time for core demagnetization or for user to manually fit load resistors or change wiring etc.
OUT	Output To User Port	Switching relays using the 6-way USER OUT port.	N/A	Allows the AT to perform external switching as part of the test program.
API	*API (Application Programming Interface)	Allows direct comms commands to AT56.	N/A	Ability to automate any front panel manual process. Direct access to test results and unit status.

*New. Not included in the Gold Model.

LOW VOLTAGE TESTS FOR AT5600

Low voltage tests assess the electrical performance and integrity of a transformer under safe, low-power conditions, utilizing test signals ranging from 1 mV to 5 V. These tests verify parameters such as DC Resistance, Turns Ratio, and Leakage Inductance, ensuring compliance with design specifications. The AT5600 streamlines these procedures, providing precise and reliable measurements for efficient quality assurance.

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
R	DC Resistance	500 uΩ to 50 kΩ	Auto	DC	0.10%
LS	Inductance (series circuit)	1 nH to 1 MH	1 mV to 5 V	20 Hz to 3 MHz	0.05%
LP	Inductance (parallel circuit)	1 nH to 1 MH	1 mV to 5 V	20 Hz to 3 MHz	0.05%
QL	Quality Factor	0.001 to 1000	1 mV to 5 V	20 Hz to 3 MHz	0.50%
D	Dissipation Factor	0.001 to 1000	1 mV to 5 V	20 Hz to 3 MHz	0.50%
RLS	Equivalent Series Resistance	10 mΩ to 10 MΩ	1 mV to 5 V	20 Hz to 3 MHz	0.05%
RLP	Equivalent Parallel Resistance	10 mΩ to 10 MΩ	1 mV to 5 V	20 Hz to 3 MHz	0.05%
LL	Leakage Inductance	1 nH to 1 kH	1 mA to 100 mA 1 mV to 5 V	20 Hz to 3 MHz	0.10%
C	Inter-winding Capacitance	100 fF to 1 mF	1 mV to 5 V	20 Hz to 3 MHz	0.10%
TR	Turns Ratio + Phase	1:100 k to 100 k:1	1 mV to 5 V	20 Hz to 3 MHz	0.10%
TRL	Turns Ratio by Inductance	30-1 to 1-30	1 mV to 5 V	20 Hz to 3 MHz	0.10%
LVOC	Low Voltage Open Circuit	1 mV to 650 V (3)	1 mV to 5 V	20 Hz to 3 MHz	0.10%
LSB	Inductance with DC Bias (Series)	1 nH to 1 MH	1 mV to 5 V 1 mA to 1 A	20 Hz to 3 MHz	0.05%
LPB	Inductance with DC Bias (Parallel)	1 nH to 1 MH	1 mV to 5V 1 mA to 1 A	20 Hz to 3 MHz	0.05%
R2	DC Resistance Match	1-1000 to 1000-1	Auto	DC	0.20%
L2	Inductance Match	1-10000 to 10000-1	1 mV to 5 V	20 Hz to 3 MHz	0.10%
C2	Inter-winding Capacitance Match	1-1000 to 1000-1	1 mV to 5 V	20 Hz to 3 MHz	0.20%
GBAL	General Balance	0 dB to 100 dB	1 mV to 5 V	20 Hz to 3 MHz	0.5 dB
LBAL	Longitudinal Balance	0 dB to 100 dB	1 mV to 5 V	20 Hz to 3 MHz	0.5 dB
ILOS	Insertion Loss	-100 dB to 100 dB	1 mV to 5 V	20 Hz to 3 MHz	0.5 dB
RESP	Frequency Response	-100 dB to 100 dB	1 mV to 5 V	20 Hz to 3 MHz	1.0 dB
RLOS	Return Loss	-100 dB to 100 dB	1 mV to 5 V	20 Hz to 3 MHz	n/a
Z	Impedance	1 mΩ to 1 MΩ	1 mV to 5 V	20 Hz to 3 MHz	0.20%
ZB	Impedance + Bias	1 mΩ to 1 MΩ	1 mV to 5 V	20 Hz to 3 MHz	0.20%
ANGL	Impedance Phase	-360 deg to 360 deg	1 mV to 5 V	20 Hz to 3 MHz	0.05 deg
PHAS	Inter-winding Phase	-360 deg to 360 deg	1 mV to 5 V	20 Hz to 3 MHz	0.05 deg

MEDIUM VOLTAGE TESTS FOR AT5600

Medium voltage tests evaluate a transformer's performance under moderate electrical stress, simulating typical operational conditions with test signals ranging from 1 V to 270 V. These tests include assessing leakage current, wattage and stress wattage tests, ensuring the unit meets operational standards. The AT5600 offers a comprehensive solution for medium voltage testing, ensuring accurate results and enhanced reliability.

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
ILK	Leakage Current	1 uA to 10 mA	1 V to 270 V	20 Hz to 1 kHz	0.50%
MAGI	Magnetizing Current	1 mA to 2 A (3)	1 V to 270 V 40 W	20 Hz to 1.5 kHz	0.10%
VOC	Open Circuit Voltage	100 mV to 650 V (3)	1 V to 270 V 40 W	20 Hz to 1.5 kHz	0.10%
WATT	Wattage	1 mW to 40 W	1 V to 270 V 40 W	20 Hz to 1.5 kHz	0.30%
STRW	Stress Wattage	1 mW to 40 W	1 V to 270 V 40 W	20 Hz to 1.5 kHz	1.00%
PWRF	Power Factor	0 to 1	1 V to 270 V 40 W	20 Hz to 1.5 kHz	0.5%

HIGH VOLTAGE TESTS FOR AT5600

High voltage tests are critical for evaluating a transformer's insulation strength and ability to withstand extreme electrical stresses. Using test signals ranging from 100 V to 7 kV, these tests, such as high potential (Hi-Pot) and surge testing, ensure long-term durability and safety. The AT5600 provides advanced features and precise diagnostics to deliver robust high voltage test results with confidence.

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
HPAC	AC Hi-Pot	1 uA to 30 mA (4)	100 V to 5 kV	50 Hz to 1 kHz	3.00%
HPDC	DC Hi-Pot	1 uA to 3 mA	100 V to 7 kV	DC	3.20%
SURG	Surge Stress	1 mVs to 1 kVs	100 V to 5 kV	DC	3.00%
IR	Insulation Resistance	100 kΩ to 100 GΩ	100 V to 7 kV	DC	1.00%

DC1000A TESTS WITH THE AT5600

The DC1000A Tests measure inductance and impedance under DC bias with high precision across a wide frequency range (20 Hz to 3 MHz) and signal levels (1 mV to 5 V). Your AT Test program controls both the Transformer Tester and the DC Bias unit, seamlessly integrating LSBX, LPBX, or ZBX tests into the AT program sequence.

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
LSBX	Series Inductance + DC1000A Bias	1 nH to 1 MH	1 mV to 5 V	20 Hz to 3 MHz	0.05%
LPBX	Parallel Inductance + DC1000A Bias	1 nH to 1 MH	1 mV to 5 V	20 Hz to 3 MHz	0.05%
ZBX	Impedance + DC1000A Bias	1 mΩ to 1 MΩ	1 mV to 5 V	20 Hz to 3 MHz	0.20%

LEARN MORE ABOUT THE DC1000A

AC INTERFACE FIXTURE TESTS WITH THE AT5600

The AC Interface Fixture enables advanced high-voltage AC testing, including MAGX, VOCX, WATX, and STRX, for precise performance and safety evaluations. It integrates seamlessly into your AT test program, supporting signals up to 600 V and frequencies from 20 Hz to 5 kHz.

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
VOCX	Open Circuit Voltage (External Source)	100 mV to 650 V (6)	1 V to 600 V	20 Hz to 5 kHz (2)	0.10%
MAGX	Magnetizing Current (External Source)	50 mA to 10 A (6)	1 V to 600 V	20 Hz to 5 kHz (2)	0.10%
WATX	Wattage (External Source)	100 mW to 6 kW (6)	1 V to 600 V	20 Hz to 5 kHz (2)	1.00%
STRX	Stress Wattage (External Source)	100 mW to 6 kW	1 V to 600 V	20 Hz to 5 kHz (2)	1.00%

LEARN MORE ABOUT THE AC INTERFACE FIXTURE

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Our products make transformer testing 10X BETTER IN PRODUCTIVITY than traditional manual methods. This advanced testing technology ensures a return on investment in less than a year, even with smaller testing quantities. The benefits extend beyond financial savings, enhancing productivity, accuracy, and overall testing effectiveness.

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