Hioki ST5540, Instruction Manual, Page: 8 / 326

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Thank you for purchasing the HIOKI Model "ST5540/ST5541 Leak Current HiTester". To obtain maximum
performance from the instrument, please read this manual first, and keep it handy for future reference.
When you receive the instrument, inspect it carefully to ensure that no damage occurred during shipping.
In particular, check the accessories and connectors. If damage is evident, or if it fails to operate according
to the specifications, contact your dealer or Hioki representative.
Introduction
Inspection
• Before using the instrument, make sure that the insulation on the test leads is
undamaged and that no bare conductors are improperly exposed. Using the
Model L2200 Test Lead in such conditions could cause an electric shock, so con-
tact your dealer or Hioki representative for replacements.
• Before using the instrument, make sure that the insulation on the power cords is
undamaged and that no bare conductors are improperly exposed. Using the
instrument in such conditions could cause an electric shock, so contact your
dealer or Hioki representative for replacements.
• Use the original packing materials when transporting the instrument, if possible.
Checking the contents of the package

"ST5540/ST5541 Leak Current HiTester"......... 1

Power cord (for main instrument)..................... 1

Power cord for equipment under test ............... 2
(
for [LINE IN])

Enclosure Probe............................................... 1

Spare fuse for main instrument ........................ 1
(250 V F50 mAL)

L2200 Test Lead...........................................1set
(1 red, 1 black)

Test lead(red) ................................................... 1
(only ST5540)

Instruction manual............................................ 1

CD-ROM .......................................................... 1
Confirm that these contents are provided.