Understanding the rotary switch – Fluke 289 User Manual

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Users Manual

10

Understanding the Rotary Switch

Select a primary measurement function by positioning the rotary
switch to one of the icons around its perimeter. For each
function, the Meter presents a standard display for that function
(range, measurement units, and modifiers). Button choices made
in one function do not carry over into another function. The
model 289 offers two additional functions: low ohms (Y) and
low impedance (LoZ) ac volts. Each position shown in Figure 3 is
described in Table 4.

est03.emf

Figure 3. Rotary Switch

Table 4. Rotary Switch Positions

Switch

Position

Function

L

AC voltage measurement using a low input
impedance (model 289 only)

V

AC voltage measurements

T

AC millivolt measurements

U

DC and ac+dc voltage measurements

N

DC millivolts, ac+dc millivolt, and
temperature measurements

S

Resistance, continuity, and conductance
measurements

P

Diode test and capacitance measurements

A

AC, dc and ac+dc amps and milliamps
measurements

X

AC, dc and ac+dc microampere
measurements up to 5,000

μ

A

Y

Resistance measurements with 50e range
(model 289 only)

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