TESTS AVAILABLE WITH THE AT5600

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

QUESTIONS?

Traditional LCR meter style parameters, suitable for most transformer types.

Test	Description	Main Application	Winding Tested	Reason for Test
CTY	Continuity	All transformers	All windings	Properly installed fixture
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

Hi-Pot AC and DC tests for safety and compliance. "Class-D" 1-270 V AC tests for mains/line voltage transformers.

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
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.

These tests allow the AT5600 to automatically control a Voltech DC1000 for testing transformers with 0-25A DC Bias current applied (or up to 500A DC with 20 DC1000s).

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.

Allows the AT5600 to use the Voltech AC INTERFACE to interface with your own AC source, to extend test range to 600V @ 10A, 20Hz to 1MHz.

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.

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.

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
CTY	Continuity	10 kΩ to 50 kΩ	Auto	DC	N/A
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

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%
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%

Test	Description	Measurement Range	Test Signal	Test Frequency	Basic Accuracy
LSBX	Series Inductance + DC1000 Bias	1 nH to 1 MH	1 mV to 5 V	20 Hz to 3 MHz	0.05%
LPBX	Parallel Inductance + DC1000 Bias	1 nH to 1 MH	1 mV to 5 V	20 Hz to 3 MHz	0.05%
ZBX	Impedance + DC1000 Bias	1 mΩ to 1 MΩ	1 mV to 5 V	20 Hz to 3 MHz	0.20%

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%

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