MN25 Version 2.2 Aug 2003
3
Safety
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 Limits
Function Maximum Input
V DC, V AC 600V DC/AC, 200Vrms on 200mV range
mA DC 200mA 250V fast acting fuse
A DC, A AC 10A 250V fast acting fuse(30 seconds
max every 15 minutes)
Resistance,
Continuity
250Vrms for 15sec max
2. USE EXTREME CAUTION when working with high
voltages.
3. DO NOT measure voltage if the voltage on the "COM"
input jack exceeds 500V 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 doors to replace the fuse or batteries.
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