Rion VA-12 User Manual

132
Data File Structure
Data section (FFT data store  le)
In the case of an FFT data store  le, the data section has the following con-
tent.
Item Header string Bytes Content Bytes
Block label (None)
- [Data] 6
Title Frequency 9 INST, LIN, EXP, MAX 4
Frequency *
0
0.0
0.00000
etc.
9
xxxxxx,
yyyyyyy
• xxxxxx is calculated value (Log)
Padded with spaces (“
”) to 6 digits
• yyyyyyy is calculated value (EU)
Padded with spaces (“
”) to 7 digits
15
:
:
:
:
:
:
:
:
:
:
:
:
Overall value
O.A. 9 15
* Frequencies are given in ascending order
Number of digits after decimal point differs depending on  le; range:
0 to 5.
An example is shown below. From left, the values indicate frequency, calculated
value (Log), and calculated value (EU = Engineering Units). The units are the
same as those that were shown during measurement.
[Data]
Frequency INST
0 37.1 7.13E+01
12.5 31.7 3.86E+01
25 13.3 4.64E+00
37.5 −0.2 9.78E−01
50 −9.7 3.29E−01
62.5 −17.3 1.37E−01
75 −20.5 9.41E−02
87.5 −23.8 6.44E−02
100 −29.1 3.52E−02
112.5 −33.2 2.19E−02
125 −33.7 2.07E−02
137.5 −35.8 1.63E−02
150 −40.1 9.91E−03
162.5 −42.6 7.43E−03
Frequency
Calculated value (Log)
Calculated value (EU)

Rion VA-12 Specifications

General

Brand	Rion
Model	VA-12
Category	Measuring Instruments
Language	English