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Chapter 1: General Information
Environmental Conditions
11
Environmental Conditions
Overvoltage Category
This product is intended to be powered by MAINS that comply to Overvoltage Category II, which
is typical of cord-and-plug connected equipment.
Pollution Degree
The 90000 Series Oscilloscope may be operated in environments of Pollution Degree 2 (or
Pollution Degree 1).
Pollution Degree Definitions
Pollution Degree 1: No pollution or only dry, non-conductive pollution occurs. The pollution
has no influence. Example: A clean room or climate-controlled office environment.
Pollution Degree 2. Normally only dry non-conductive pollution occurs. Occasionally a
temporary conductivity caused by condensation may occur. Example: General indoor
environment.
Pollution Degree 3: Conductive pollution occurs, or dry, non-conductive pollution occurs which
becomes conductive due to condensation which is expected. Example: Sheltered outdoor
environment.
Measurement Category
Measurement Category
The 90000 Series oscilloscope is intended to be used for measurements in Measurement
Category I.
Measurement Category Definitions
Measurement Category I is for measurements performed on circuits not directly connected to
MAINS. Examples are measurements on circuits not derived from MAINS, and specially
protected (internal) MAINS derived circuits. In the latter case, transient stresses are variable;
for that reason, the transient withstand capability of the equipment is made known to the user.
Measurement Category II is for measurements performed on circuits directly connected to the
low voltage installation. Examples are measurements on household appliances, portable tools
and similar equipment.
Measurement Category III is for measurements performed in the building installation. Examples
are measurements on distribution boards, circuit-breakers, wiring, including cables, bus-bars,
junction boxes, switches, socket-outlets in the fixed installation, and equipment for industrial
use and some other equipment, for example, stationary motors with permanent connection to
the fixed installation.
Measurement Category IV is for measurements performed at the source of the low-voltage
installation. Examples are electricity meters and measurements on primary overcurrent
protection devices and ripple control units.
Transient Withstand Capability
The maximum transient withstand capability of this instrument is not specified. Do not apply
more than 5 volts rms at the oscilloscope’s vertical input BNC connectors.
Содержание Infiniium 90000 A
Страница 4: ...4...
Страница 13: ...2 To run the self calibration 15 Calibration...
Страница 14: ...14 Calibration This chapter provides self calibration procedures for the oscilloscope...
Страница 50: ...Chapter 3 Testing Performance Performance Test Record 50...
Страница 58: ...Chapter 4 Troubleshooting Power Supply Trouble Isolation 58 Figure 4 4...
Страница 71: ...Chapter 4 Troubleshooting Display Trouble Isolation 71 Display Trouble Isolation...
Страница 88: ...Chapter 4 Troubleshooting To check probe power outputs 88...
Страница 111: ...Chapter 5 Replacing Assemblies To remove and replace the acquisition boards backplane assembly 111 Figure 5 36...
Страница 126: ...Chapter 5 Replacing Assemblies To remove and replace the USB or GPIB port 126...
Страница 129: ...Chapter 6 Replaceable Parts Exploded Views 129 Exploded Views Front Frame and Front Panel...
Страница 130: ...Chapter 6 Replaceable Parts Exploded Views 130 Fan and Acquisition Assembly...
Страница 131: ...Chapter 6 Replaceable Parts Exploded Views 131 Power Supply and PC Motherboard...
Страница 132: ...Chapter 6 Replaceable Parts Exploded Views 132 Sleeve and Accessory Pouch...
Страница 136: ...Chapter 6 Replaceable Parts Replaceable Parts List 136...
Страница 138: ...Chapter 7 Theory of Operation 138 Figure 7 1 Oscilloscope Block Diagram...
Страница 140: ...Chapter 7 Theory of Operation Block Level Theory 140 Figure 7 2 AcquisitionBoards BackplaneBoard...
Страница 146: ...146 Figure 7 6 Acquisition board block diagram...