Fluke 381 User Manual page 10

381
Users Manual
P N
Item
Current Sensing Jaw
A
Tactile Barrier
B
Rotary Function Switch, see
C
Hazardous-voltage indicator
D
Display release button
E
Display, see
F
Backlight button: turns the Backlight on and off. The Backlight stays on for
G
2 minutes when there is no button or switch interaction and then shuts off.
Hold button: freezes the display reading and releases the reading when pushed
H
a second time.
Min Max button: when first pushed, the Meter shows maximum input. With
subsequent pushes, the minimum and the average inputs are shown. Hold
I
for 2 seconds to exit min max mode. This function works in current, voltage, and
frequency modes.
Zero/Shift button: removes dc offset from dc current measurements. Also used
J
to shift and corresponds to the yellow items on the Rotary Function Switch.
Inrush button: push to enter inrush mode. Push a second time to exit inrush
K
mode. Integration time is 100 ms.
Jaw release
L
Alignment marks: to meet accuracy specifications, the conductor must be
M
aligned with these marks.
Common terminal
N
Volt/Ohm input terminal
O
Flexible Current Probe input terminal
P
6
Table 1. Meter Features
A B
M
O
Table 3
C E
D
K
J
L
Description
Table 2
F G
I H
L