Hioki 3153 - Chapter 4 Insulation Resistance Mode Testing Method

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Flashing
NOTE
・Choose the insulation resistance test termination mode (see "7.11 Insulation
Resistance Test Termination Settings") and set an adequate test time and delay
time.
・With some tested objects, it may take some time until the actual output voltage
reaches the set test voltage.
Using both defective and non-defective samples of the tested object, check to see
if measurement and screening are conducted correctly.
Turn OFF the timer and find an adequate timer setting with which measurement
is performed correctly.
Turn ON the timer. Set that timer setting as the test time and check to ensure
that measurement and screening are conducted correctly. Also, set the delay time.
・Approximately 2.0 seconds is required to calculate moving averages when it has
been determined that capacity is available. (Determination of capacity requires
0.6 seconds.)
・When capacitance is present, the time constant based on the capacitance
and resistance values may delay the measurement results.
・Approximately 1.6 seconds is required for the range to stabilize when Auto Range
is selected (when the resistance values of the device tested do not vary).
・When resistance values var
y,
more time is re
q
uired for testin
g
.
Chapter 4
Insulation Resistance Mode
Testing Method
This chapter describes how to set insulation-resistance mode test conditions
and the proper testing procedure.
Read chapter 2, and make the necessary preparations for testing.
Press the
I
key to enter insulation-resistance mode.
(The I lamp above the key to the left lights.)