Math Configuration - Fluke 8508A User Manual

From any of the menus below, pressing the
menu; pressing the
CONFIG
Press or
Enter
Causes a rolling average of R readings to be made.

BlocN
Causes a block average of N readings to be made.

AvR
Causes the measurement to be multiplied by a constant, m.

− Causes a constant, c, to be subtracted from the measurement.
Causes the measurement to be divided by the constant, z.

Causes the measurement to be expressed in dB relative to 1, or to z, or to

dBref.
Constants dBref and z are defined via the
Causes the measurement to be multiplied by 100.



Math Configuration

Press the
Config
which you can store the various constants used by the Math operations.
The
MATH CONFIG
Provides selection of the number of readings used in rolling average.

Provides a numeric entry menu for the value of

shown and the keyboard is activated. Press
Quit
Provides a numeric entry menu for the value of the multiplier constant,

Provides a numeric entry menu for the value of the subtractor constant,

Provides a numeric entry menu for the value of the divisor constant, z.

Provides selection of the decibel reference constant,

functions can utilize all the settings. Other functions will utilize a unity
reference.
Ω
50
Ω
75
600
Selects a unity reference value.
1
Note
key reverts to the
Math
to revert automatically to the
Quit
.
.
key from the menu to display the
MATH
MATH CONFIG menu
menu has six menu keys.
to leave the old value intact and return to the
Selects a reference of 1 mW in 50 Ω.
Selects a reference of 1 mW in 75 Ω.
Ω Selects a reference of 1 mW in 600 Ω
key enters the
Config MATH
menu.
MATH
menu.
MATH CONFIG
cross-cancels with
AvR
cross-cancels with
BlocN
menu.
MATH CONFIG
MATH CONFIG
. The most recent
N
to store the new value or
Enter
MATH CONFIG
dBREF
Making Measurements
Using the Math Functions
menu, from
adj130f.eps
value is
N
menu.
.
m
.
c
. Only voltage
3
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