Fluke 289 - Features

True-rms Digital Multimeters
Features
9
Using the Input Terminals
All functions except current use the W and COM input terminals.
The two current input terminals (A and mA/μA) are used as follows:
Current from 0 to 400 mA, use the
m and COM terminals.
Current between 0 and 10 A use the A and COM terminals.
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Figure 4. Input Terminals
Table 5. Input Terminals
Terminal Description
A
Input for 0 A to 10.00 A current (20 A for 30
seconds on, 10 minutes off), frequency, and duty-
cycle measurements.
m
Input for 0 A to 400 mA current measurements,
frequency, and duty cycle.
COM Return terminal for all measurements.
Input for voltage, continuity, resistance, diode
test, conductance, capacitance, frequency,
temperature, period, and duty-cycle
measurements.