Voltech ATi Automatic Transformer Tester

The ATi has all the features you would expect from a precision LCR meter, but it is also a high-speed production tester and development aid.

ATi from $18,360.00

Automatic Transformer Tester
Estimated Lead Time: 56 days

ATi Demonstation
Rep and Self -Demo Systems Available
Estimated Lead Time: 22 days

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Tests

Test	Description	Transformer Application	Reason for Test
CTY	Continuity	All	Checks properly installed fixture and part
R	DC Resistance	All	Checks properly installed fixture and part, correct wire used and integrity of terminations
R2	DC Resistance Match	SMPS, audio & telecom	Checks matching between windings
LS	Inductance (Series Circuit)	Most, but not usually line frequency	Checks primary turns, right grade of correctly assembled core material
LP	Inductance (Parallel Circuit)
QL	Quality Factor		Checks right grade of correctly assembled core material and for shorted turns
D	Dissipation Factor (tand)
RLS	Equivalent Series Resistance
RLP	Equivalent Parallel Resistance
LSB	Inductance with Bias Current (Series Circuit)	Transformers that carry a significant DC bias current in normal operation	Checks number of turns, right grade of correctly assembled core material
LPB	Inductance with Bias Current (Parallel Circuit)
L2	Inductance Match	SMPS, audio & telecom	Checks matching between windings
LL	Leakage Inductance	SMPS, electronic ballasts	Checks windings have been installed in the correct position relative to the core
LLO	Leakage Inductance	SMPS, electronic ballasts
C	Interwinding Capacitance (Parallel Circuit)	High frequency, isolating	Checks winding positioning and insulation thickness between windings
C2	Capacitance Match	SMPS, audio & telecom	Checks correct winding position on bobbin
TR	Turns Ratio and Phasing	Most, but usually not line frequency	Checks windings have correct turns and polarity
TRL	Turns Ratio by Inductance	Most, but usually not line frequency	Checks windings have correct turns
LVOC	Low Voltage Open Circuit	Most, but usually not line frequency	Checks windings have correct turns
IR	Insulation Resistance	All	Checks winding isolation, checks where safety is not involved
GBAL	General Longitudinal Balance	Audio & telecom	Checks common mode rejection ratio
LBAL	Longitudinal Balance	Audio & telecom	Checks common mode rejection ratio
ILOS	Insertion Loss	Audio & telecom	Checks power lost within the transformer
RESP	Frequency Response	Audio & telecom	Checks losses over a range of frequencies
RLOS	Return Loss	Audio & telecom	Checks power returned by a transformer
Z	Impedance	Audio & telecom	Checks impedance at a given frequency
ZB	Impedance with Bias	Audio & telecom	Checks impedance at a given frequency
ANGL	Impedance Phase Angle	Audio & telecom	Checks phase angle of complex impedance
PHAS	Interwinding Phase Angle	Measuring & signal	Checks phase of voltage between windings
TRIM	Trimming Adjustment	Transformers with variable / trimmable components	Adjusts transformer parameter to desired value during test
OUT	Output to User Port		Performs external switching as part of the test program
LSBX*	Inductance with External Bias (Series Circuit)	Wound components that usually carry a significant DC Bias current in normal operation.	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.	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	Checks impedance at a given frequency, while applying a greater bias current than is possible with ZB test.

* These tests require the use of one or more Voltech DC1000 Precision DC Bias Current Sources.

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