Vanguard ATRT-01_01B S3 - Manual (Page 2)

ATRT-01/01B S3 USER’S MANUAL REV 1
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SAFETY SUMMARY
This manual applies to both the ATRT-01 S3 and ATRT-01B S3 current transformer turns-ratio
meters. The operating procedures are virtually the same for both models, and any differences
are clearly described where applicable.
FOLLOW EXACT OPERATING PROCEDURES
Any deviation from procedures described in this User’s Manual may create one or more safety
hazards, damage the ATRT-01/01B S3, damage the test transformer, or cause errors in the test
results. Vanguard Instruments Company, Inc. assumes no liability for unsafe or improper use of
the ATRT-01/01B S3.
SAFETY WARNINGS AND CAUTIONS
The ATRT-01/01B S3 shall be used only by trained operators. All transformers under test shall
be off-line and fully isolated. Do not perform test procedures or service unless another person
is also present who is capable of rendering aid and resuscitation.
DO NOT MODIFY TEST EQUIPMENT
To avoid the risk of introducing additional or unknown hazards, do not install substitute parts or
perform any unauthorized modification to any ATRT-01/01B S3 test unit. To ensure that all
designed safety features are maintained, it is highly recommended that repairs be performed
only by Vanguard Instruments Company factory personnel or by an authorized repair service
provider. Unauthorized modifications can cause safety hazards and will void the manufacturer’s
warranty.
WARNING
Do not remove test leads during a test. Failure to heed this warning can result in electrical
shock to personnel and damage to the equipment.