Measurement Category - Rigol DHO924S User Manual

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CAUTION
Indicates a potentially hazardous situation or practice which, if not avoided, could result
in damage to the product or loss of important data.
Safety Notices on the Product:
• DANGER
It calls attention to an operation, if not correctly performed, could result in injury
or hazard immediately.
• WARNING
It calls attention to an operation, if not correctly performed, could result in
potential injury or hazard.
• CAUTION
It calls attention to an operation, if not correctly performed, could result in
damage to the product or other devices connected to the product.
Safety Symbols on the Product:
Hazardous Safety Warning Protective Earth
Voltage

Measurement Category

Measurement Category
This instrument can make measurements in Measurement Category I.
WARNING
This instrument can only be used for measurements within its specified measurement
categories.
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. Thus, you must know the transient withstand
capability of the equipment.
• Measurement category II is for measurements performed on circuits directly
connected to low voltage installation. Examples are measurements on household
appliances, portable tools and similar equipment.
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10 20
5 25
0 30
Chassis Ground
Terminal
Test Ground
DHO900 User Guide
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