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SAFETY INSTRUCTIONS
This meter has been designed for safe use, but must be operated with caution. The rules listed below
must be carefully followed for safe operation.
1.
NEVER apply voltage or current to the meter that exceeds the specified maximum:
Function
V DC or V AC
mA AC/DC
A AC/DC
Frequency, Resistance, Capacitance,
Duty Cycle, Diode Test, Continuity
Temperature
Surge Protection: 8kV peak per IEC 61010
2.
USE EXTREME CAUTION when working with high voltages.
3.
DO NOT measure voltage if the voltage on the "COM" input jack exceeds 1000V above earth
ground.
4.
NEVER connect the meter leads across a voltage source while the function switch is in the
current, resistance, or diode mode. Doing so can damage the meter.
5.
ALWAYS discharge filter capacitors in power supplies and disconnect the power when making
resistance or diode tests.
6.
ALWAYS turn off the power and disconnect the test leads before opening the covers to replace
the fuse or batteries.
7.
NEVER operate the meter unless the back cover and the battery and fuse covers are in place
and fastened securely.
8.
If the equipment is used in a manner not specified by the manufacturer, the protection provided
by the equipment may be impaired.
Input Protection Limits
1000VDC/AC rms
500mA 1000V fast acting fuse
10A 1000V fast acting fuse (20A for 30 seconds max
every 15 minutes)
1000VDC/AC rms
1000VDC/AC rms
3
Maximum Input
EX542-en-GB_v1.5 06/15
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