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Support for touch current, protective conductor
current, and patient leakage current tests
(TOS9303LC only)
Various leakage current tests for medical instruments
are supported in addition to those for general electric
appliances.
LAN, USB, and RS232C
The product is standard equipped with LXI compatible
LAN, USB 2.0, USB-TMC compatible USB, and
RS232C interface.
Color liquid crystal display
Intuitive display and controls are provided through the 7-
inch display that shows various test settings, descrip-
tions, and drawings.
Notations Used in This Manual
• In this manual, the TOS9300, TOS9301, TOS9302,
TOS9303, and TOS9303LC electrical safety analyzer
are also referred to as the TOS93 series.
• The term "PC" is used to refer generally to both personal
computers and workstations.
• The term "EUT" is used to refer generally to an equip-
ment under test.
• Test names may be abbreviated as follows:
AC withstanding voltage: ACW, DC withstanding volt-
age: DCW, insulation resistance: IR, earth continuity:
EC, leakage current: LC, touch current: TC, protective
conductor current: PCC, patient leakage current: Patient
• The screen captures and illustrations used in this text
may differ from the actual items.
• The following markings are used in this manual.
Indicates an imminently hazardous situation which,
if ignored, will result in death or serious injury.
Indicates a potentially hazardous situation which, if
ignored, could result in death or serious injury.
Indicates a potentially hazardous situation which, if
ignored, may result in slight injury or damage to the
product or other property.
Indicates information that you should know.
Indicates a reference manual (CD-ROM) containing
detailed information.
>
Indicates the hierarchy of items you need to select. The
item to the left of this symbol indicates a higher level
item.
,
,
9300
9301
9302
Indicate TOS93 series model names.
TOS93 Series
,
,
9303
9303LC
9303
Safety Precautions
When using this product, be sure to observe the precau-
tions in the Safety Information manual. Items specific to
this product are given below.
• This product generates high voltage. Improper oper-
ation can lead to serious accidents.
To prevent accidents, be sure to read "Safety Precau-
tions for Testing"
(p. 18)
in this manual. Keep this man-
ual close to the product so that the operators can read
the manual at any time.
• You will receive a potentially fatal electric shock if:
• You touch an output terminal while output is being
generated.
• You touch a test lead that is connected to an output
terminal while output is being generated.
• You touch the EUT while output is being generated.
• You touch a location that is electrically connected to
an output terminal while output is being generated.
• You touch a location that is electrically connected to
an output terminal immediately after output is turned
off after a DC withstanding voltage test or insulation
resistance test has been performed.
• You may receive a potentially fatal electric shock if:
• You operate the tester without grounding it.
• You operate the tester without using rubber gloves for
electrical work.
• You come close to a location that is electrically con-
nected to an output terminal while output is being gen-
erated.
• You come close a location that is electrically con-
nected to an output terminal immediately after output
is turned off after a DC withstanding voltage test or
insulation resistance test has been performed.
• In tests that use test leads, do not touch the tip of
test leads.
Risk of electric shock.
• Do not use the product in a poorly ventilated loca-
tion.
The product uses forced air cooling. It sucks air through
the inlet holes on its right and left panels and expels air
through its rear panel. Secure adequate space around
the product's inlet and outlet holes to prevent the possi-
bility of fire caused by accumulation of heat.
Allow at least 20 cm of space between the air inlet/outlet
and the wall (or obstacles). Be careful not to block the
air inlet and outlet when rack mounting the product.
Hot air (approximately 20 °C, 68 °F, hotter than the
ambient temperature) is expelled from the outlet holes.
Do not place objects that are affected by heat near the
air outlet.
5
User's Manual
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