Input Terminals - Fluke 45 User Manual

45
Users Manual
Neither function modifiers (REL, dB, HOLD, and MN MX) nor the manual range mode
can be selected in the secondary display. Measurement ranges in the secondary display
are always selected through autoranging.

Input Terminals

The input terminals, shown in Figure 3-4, are located on the left of the front panel.
The meter is protected against overloads up to the limits shown in Table 3-1. Exceeding
these limits poses a hazard to both the meter and operator.
V
600V CAT I
1000V CAT I
COM
3-4
Volts, Ohms, Diode Test Input Terminal
10A
!
100
mA
FUSE F1
500 mA
F 250V
FUSED
Common Terminal. Return Terminal for all Measurements.
Figure 3-4. Input Terminals
Amperes Input Terminal. For Current Measurements up to
10A continuous (or 20A for 30 sec).
Milliamperes Input Terminal. For Current Measurements
up to 100mA.
45 DUAL DISPLAY MULTIMETER
V
10A
600V CAT I !
1000V CAT I
100
COM
mA
FUSE F1
V A
500 mA
F 250V
FUSED
V A FREQ
Note: Frequency Measurements are Normally taken
from the V Input, although the 10A and
100mA Inputs can be used.
CAL
ENABLE
REL dB 2ND
REF# REF LOCAL
AUTO
HOLD MN MX RATE
COMP HI LO THRESH ADDR BAUD
POWER
aam12f.eps