Hioki MR8827, Инструкция по эксплуатации, Страница: 267 / 436

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Select Channels
13.4 Select Channels
Channel selection is the same for all functions.
For the setting method, refer to “3.4 Select Input Channels” (p. 60) and “8.10 Detailed Settings for
Modules” (p. 164).
Scaling
The scaling setting allows values displayed on the instrument to match the actual values read
directly on a sound level meter or vibration meter.
With Scaling
Without Scaling
Setting example: To display measurement data on the instrument so that it
corresponds with a sound level meter.
In this case the sound level meter displays 93.5 dB and the overall value displayed
on the Waveform screen of the instrument is
­
6.51 dB.
Refer to “Overall Value”
(p. A19).
Sound Level Meter
93.5
Overall: −6.51dB
93.5
1
2
3
4 5
0 dB reference differs depends on the physical
quantity.
As an example for sound pressure, 20 μPa is 0 dB.
In dB scaling, the dB value can be directly read;
however, it may not be possible to directly read
instantaneous values.
Refer to written standards and other materials
regarding 0 dB references.
1
Select [Num] .
2
Select [Ratio] .
3
Move the cursor to [Ratio] , and press the F1
[ dB Scaling] key.
The dB Scaling dialog appears.
4
Enter the (overall) value “−6.51” displayed on
the instrument.
5
Enter the value “93.5” (from the sound level
meter) that you want to read directly.
6
Press the F5 [Confirm] key to perform
scaling.
Scaling will be performed automatically and
the conversion value set in the conversion rate
column.