RIGOL DM3058 - Manual (Page 28)

RIGOL
Quick Guide for DM3058/DM3058E II
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Safety Notice
Review the following safety precautions carefully before operating
the instrument to avoid any personal injuries or damages to the
instrument and any products connected to it.
The instrument should be serviced by qualified personnel
only.
Avoid Fire or Personal Injury.
Use Proper Power Cord. Use the power cord designed for the
instrument as authorized in your country only.
Ground the Instrument. The instrument is grounded through the
grounding conductor of the power cord. To avoid electric shock the
instrument grounding conductor(s) must be grounded properly
before making connections to the input or output terminals of the
instrument.
Observe all Terminal Ratings. To avoid fire or shock hazard,
observe all ratings and marks on the instrument. Follow the user’s
guide for further ratings information before making connections to
the instrument.
Do not Operate Without Covers. Do not operate the instrument
with covers or panels removed.
Use Proper Fuse. Use the fuse of the type, voltage and current
ratings as specified for the instrument.
Avoid Circuit or Wire Exposure. Do not touch exposed
connections and components when power is on.
Do not Operate With Suspected Failures. If suspected damage
occurs with the instrument, have it inspected by qualified service
personnel before further operations.
Do not Operate in Wet/Damp Conditions.
Do not Operate in an Explosive atmosphere.
Keep Product Surfaces Clean and Dry.
The disturbance test of all the models meet the limit values
of A in the standard of EN 61326: 1997+A1+A2+A3, but
can’t meet the limit values of B.
Input Terminal Protection Limitation
Protection limitation is defined for the input terminal:
1． Main input (HI and LO) terminal
HI and LO terminals are used for Voltage, Resistance,
Capacitance, Continuity, Frequency and Diodes measurement.
Two protection limitations are defined:
1) HI-LO protection limitation: 1000VDC or 750VAC. It is the
maximum measurable voltage. The limitation can be
expressed as 1000Vpk.