FLIR Commercial Systems Inc. EX540 User Manual
3 EX540 V1.0 2/09
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.
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:
Input Protection Limits
Function Maximum
Input
V DC or V AC
1000VDC/AC rms
mA AC/DC
500mA 1000V fast acting fuse
A AC/DC
10A 1000V fast acting fuse (20A for 30 seconds
max every 15 minutes)
max every 15 minutes)
Frequency, Resistance, Capacitance,
Duty Cycle, Diode Test, Continuity
Duty Cycle, Diode Test, Continuity
1000VDC/AC rms
Temperature 1000VDC/AC
rms
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.
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.
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.
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.
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.
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.
provided by the equipment may be impaired.