Fluke 199C/S FE 192,196,199 C Users Manual - Page 40

Making Relative Measurements, Making a Relative Measurement

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Fluke 192B - 196B/C - 199B/C Users Manual Making Relative Measurements A relative measurement displays the present measurement result relative to a defined reference value. The following example shows how to perform a relative voltage measurement. First obtain a reference value: 1 Display the METER key labels. Observe that the main reading is displayed as variations from the reference value. The actual reading with its bargraph is displayed beneath these readings. (See Figure 16.) 2 Measure a voltage to be used as reference value. 3 Set RELATIVE to ON. (ON is highlighted.) This stores the reference value as reference for subsequent measurements. The stored reference value is displayed in small digits at the bottom right side of the screen after the word REFERENCE. 4 Measure the voltage to be compared to the reference. Figure 16. Making a Relative Measurement You can use this feature when, for example, you need to monitor input activity (voltage, resistance, temperature) in relation to a known good value. 32

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Fluke 192B - 196B/C - 199B/C
Users Manual
32
Making Relative Measurements
A relative measurement displays the present
measurement result relative to a defined reference value.
The following example shows how to perform a relative
voltage measurement. First obtain a reference value:
1
Display the
METER
key labels.
2
Measure a voltage to be used as
reference value.
3
Set
RELATIVE
to
ON
. (
ON
is
highlighted.)
This stores the reference value as reference for
subsequent measurements. The stored reference value is
displayed in small digits at the bottom right side of the
screen after the word
REFERENCE
.
4
Measure the voltage to be
compared to the reference.
Observe that the main reading is displayed as variations
from the reference value. The actual reading with its
bargraph is displayed beneath these readings. (See Figure
16.)
Figure 16. Making a Relative Measurement
You can use this feature when, for example, you need to
monitor input activity (voltage, resistance, temperature) in
relation to a known good value.