Hioki 3155-01, Instruction Manual

Page: 67 / 366

47
────────────────────────────────────────────────────
5.3 Earth Leakage Current Measurement Mode (ME Equipment)
────────────────────────────────────────────────────
Key Description of the function
11
(Clear the maximum
value)
Use as necessary to clear unnecessary data and start new measurements.
As long as this key is not pressed, the maximum value is not cleared even after
changing measurement settings in the same measuring mode.
The maximum value is cleared after changing the measuring mode.
12
Opens the allowable value set-up window.
Two allowable values in normal condition and single fault condition can be set.
Range of the allowable values: 5
μ A to 20 mA
For details, refer to Section 5.10.1, "Allowable Value Setting."
13
Opens the polarity and equipment condition set-up window.
1. Select either the or mode.
For automatic measurement, refer to Section 5.10.3, "Automatic
Measurement Setting."
2. When in the manual mode, in addition to making measurements while
changing the polarity and condition of the equipment to be measured, the
maximum value data can be printed out or saved.
Power source polarity selection:
NORMAL: , REVERSE:
Condition of the equipment to be measured:
Normal condition:
Single fault condition (open power lead):
14
Opens the measurement network filter set-up window.
Select either filter ON or OFF.
: Network with frequency characteristics
: Network with uninducted resistance of only 1 k
Ω
15
Zero adjustment function
Press this key to perform zero adjustment before measuring.
When zero adjustment is effective, is displayed on the screen.
For details, refer to Section 5.3.3, "Zero Adjustment (ME Equipment - Earth
Leakage Current)."
16
Opens the print-out window.
Prints out the maximum value displayed on the screen.
For details, refer to Section 5.10.5, "Printing out the Maximum Values."
17
Opens the save data window.
For details, refer to Section 5.10.6, "Saving the Maximum Values."
18
Exits the earth leakage current measurement, and returns to the initial screen.
(2) Settings