User manual

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NOTE: Allow sufficient OFF time once the output is TRIP’ed by abnormal
condition (Over temperature and/or Over load) before operating again.
e) Select the 135V range by using the front panel range button. Repeat
the above procedure, and check that all output parameters are correct.
If all the above parameters are correct, the unit is ready for operation.
2.5 TEST EQUIPMENT REQUIREMENTS
The following instruments will be required to test the complete installation of
the unit.
1) A 4.5 digit or better true RMS digital multimeter for verifying the input
and the output voltage and frequency of the unit.
2) Current meter for measurement up to at least 15 A or a standard current
transformer with the suitable burden with a four and half digit or better
digital multi-meter with true RMS measurement.
3) Power meter with suitable rating for input & output parameter testing.
4) A load to test and verify the operation on full load.
2.6 PACKAGE CONTENTS
The AC source is shipped with the following contents:
• 1657 AC Power Source
• User Manual
• AC Power Cord (type IEC320-C19)
Please locate each item from the original packaging and contact B&K Precision
immediately if something is missing.