Hioki BT5525, Instruction Manual, Page: 63 / 215

63
Detecting Micro Insulation Failure (BDD Function)
1
Open the Setting screen.
[SET] Select
2
Specify the ON/OFF setting for the BDD stop function.
If the BDD stop function is enabled, the test is ended if the BDD count reaches or
exceeds 1.
Select
[ON]
[OFF]
[EXIT] Return to the Measurement screen
Enabling BDD judgment
When BDD judgment and the comparator function are both enabled, a BDD count of 1 or greater
yields a judgment of U. FAIL and L. FAIL. If the BDD count is 0, the measured value is judged
according to the upper and lower limit value settings for insulation resistance.
See “3.6 Judging the Measured Value (Comparator Function)” (p. 44).
1
Open the Setting screen.
[SET] Select
2
Enable or disable BDD judgment.
Select
[ON]
[OFF]
[EXIT]
Return to the Measurement screen
Various Functions
HIOKI BT5525A961-00