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4.3 Powering on and off the Unit
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WARNING
Before turning on the power, make sure that the voltage of the power
supply being used matches the supply voltage indicated on the rear
panel of the unit.
(3155: Specify when ordering, 3155-01: Set with the voltage selector)
If an attempt is made to use an improper supply voltage, there is danger
of damage to this unit and of life-threatening risk to the operator.
NOTE
Main power switch
4.3 Powering on and off the Unit
CAUTION
Before turning main power switch ON, turn the power OFF or unplug power
cord of the equipment to be measured.
(Briefly before the 3155 display screen appears, power is supplied.)
・
When measuring medical electrical equipment using an insulating
transformer, connect one of the insulating transformer’s output terminals to
ground before measurement.
When a floating power supply which uses an insulating transformer, such as
is used in operating rooms, ICUs and CCUs is used, measurements made
using such a power source will not be accurate.
・
Allow 60 minutes warming up after powering on before starting
measurement.
・
Either turn off the power to the equipment to be measured or disconnect the
power supply cord, and then turn the main power switch to ON. (Power may
be fed during the instant before the 3155 screen appears.) Automatic
measurement may not be possible for equipment fitted with a shutdown
function. When equipment that form an induction load are measured, the
relay contacts inside the 3155 may fuse together if the current flowing
exceeds 60A.0.2s.
(1) Turn the main power switch on the back of the unit to ON
(
|
). First the model name and software version are
displayed on the liquid crystal display screen, and then
the initial screen is displayed after a measurement
network is checked.
When using MEASUREMENT NETWORK D, use a 3155
that is equipped with software version 1.10 or later.
Display output will not be correct if MEASUREMENT
NETWORK D is installed with an older version.
When performing tests with the 3157 using RS-232C
interfacing, use a 3155 with software version 1.20 or later.
Tests are not possible with the 3157 using RS-232C
communication if older versions are used.
Содержание 3155-01
Страница 1: ...LEAK CURRENT HiTESTER INSTRUCTION MANUAL 3155 01...
Страница 2: ......
Страница 12: ......
Страница 27: ...7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 2 Names and Functions of Parts...
Страница 45: ...25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 4 Preparations for Measurement...
Страница 129: ...109 5 11 System Screen ME Equipment Example of a data unit printout Example of a details printout...
Страница 135: ...115 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 6 Ordinary Electrical Equipment Measurement Network C Installed...
Страница 189: ...169 6 7 System Screen for IEC TR 60990 Example of a data unit printout Example of a details printout...
Страница 195: ...175 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A Chapter 7 Ordinary Electrical Equipment Measurement Network D Installed...
Страница 243: ...223 7 7 System Screen Universal Example of a data unit printout Example of a details printout...
Страница 314: ...294...
Страница 322: ...302 9 3 Accuracy Tables...
Страница 334: ...314 10 6 External Dimensions 292 2 110 2 212 2 115 8 2 10 6 External Dimensions...
Страница 335: ...315 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 APP Appendices...
Страница 362: ...INDEX 6 Index...
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