8
250V Range 0.25MΩ approx.1200 times or more
500V Range 0.5MΩ approx.1200 times or more
1000V Range 1MΩ approx. 400 times or more
20Ω Range 1Ω approx. 300 times or more
Applied Standards
Operation: EN 61557-1/2/4
Safety: EN61010 Cat.III 300V
Protection: IEC60529 (IP40)
Accessories
ACC020
Test Leads Pouch
5 Functions
5.1 Bar Graph
While conducting insulation resistance tests, the LCD will dis-
play the value of insulation resistance. The bar graph will dis-
play the DC test voltage present across the ends of the
test leads. This means that the user can verify that the circuit
is being stressed by the full DC test voltage (250V, 500V or
1000V).
For circuits that have a large capacitance the bar graph will rise
more slowly than for those with low capacitance. When used in
the Trac mode the bar graph will display the real time fluctua-
tions in insulation test voltage and show breakdown. This can
be used to indicate good and bad circuits as a rapidly fluctuating
bar graph indicates unstable conditions.
5.2 Auto Null
When conducting continuity tests it is important to remember
that the measured resistance includes the resistance of the test
leads. An electronic leads null function is provided which auto-
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