14 1000 X-Series Oscilloscopes Service Guide
1 Characteristics and Specifications
Measurement Category
Measurement Category
The InfiniiVision 1000 X-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
Use this instrument only for measurements within its specified measurement category.
Maximum input voltage for analog inputs and external trigger input:
150 Vrms, 200 Vpk
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