Hioki FT4310, Instruction Manual, Page: 59 / 72

55
Function Specifications
Live circuit indicator • Voc mode, SELF CHECK
+20 V DC or higher or −1 V DC or less: Flashes
Other than the above: Off
• BPD TEST mode
MEASURE key is pressed: Lights up
MEASURE key is released:
+20 V DC or higher or −1 V DC or less: Flashes
Other than the above: Off
Backlight White
Automatic light-off function available (The backlight
will turn off 3 minutes ±30 seconds after the last
measurement (or in Voc mode, after the measured
voltage falls to 5 V or less) or after the last operation.)
Automatic polarity
judgment function
When measurement voltage is −1 V or less:
• Buzzer sounds, red backlight flashes, and white
backlight lights up.
• Auto-hold is disabled.
• Bypass diode measurement does not start.
When measurement voltage is 70 V
0-P
AC or higher:
• Bypass diode measurement does not start.
• Buzzer sounds and red backlight lights up.
When measurement voltage is over −1 V to 10 V, and
when output pulse with limiting current of 0.1 A or less
is generated and measurement voltage is 90 V or
higher:
• Bypass diode measurement does not start.
• Buzzer sounds and red backlight lights up.
4
1
2
3
5
6
7
Appx.
Index