7.1 FT3470-50 Magnetic Field Tester
107
2
3
4
5
6
7
8
9
10
11
12
13
7
7.1.7
Equations and Functions
Equations
•
x
,
y
and
z
in the table can be used to represent both magnetic flux
density and exposure values.
Display
1024×600 dots or higher
Display tab
Effective value logger, Entire read, Configuration, Version information
Maximum number
of data handled
32000 data (Effective value logger), 99 data (Entire read)
Recording
method
CSV format (Effective value logger), (Entire read)
SET format ( Configuration)
Function Item
Sym-
bol
Equation
Continuous
Discrete
Waveform
output
Instantaneous
value for each
axis at time t
-
-
-
-
-
-
-
Resultant value
at time t
-
LCD display
(effective
value logger)
RMS value for
each axis at
time t
(Integral time =
T, interval
[t - T, t])
Where RMS value per
'
t
interval is
,
Where RMS value per
'
t
interval is
,
Where RMS value per
'
t
interval is
,
LCD display
resultant RMS
output (effec-
tive value log-
ger)
Resultant
RMS value
(Integral time =
T, interval [t -
T, t])
)
(
t
x
)
(
t
y
)
(
t
z
)
(
t
R
^ ` ^ ` ^ `
2
2
2
)
(
)
(
)
(
t
z
t
y
t
x
)
(
ˆ
t
x
³
t
T
t
dt
t
x
T
2
)}
(
{
1
)
,
1
(
T
t
N
N
n
'
d
d
n
x
ˆ
¦
N
n
n
x
N
1
2
ˆ
1
)
(
ˆ
t
y
³
t
T
t
dt
t
y
T
2
)}
(
{
1
n
y
ˆ
)
,
1
(
T
t
N
N
n
'
d
d
¦
N
n
n
y
N
1
2
ˆ
1
)
(
ˆ
t
z
³
t
T
t
dt
t
z
T
2
)}
(
{
1
)
,
1
(
T
t
N
N
n
'
d
d
n
z
ˆ
¦
N
n
n
z
N
1
2
ˆ
1
)
(
ˆ
t
R
^ ` ^ ` ^ `
2
2
2
)
(
ˆ
)
(
ˆ
)
(
ˆ
t
z
t
y
t
x
^ ` ^ ` ^ `
2
2
2
)
(
ˆ
)
(
ˆ
)
(
ˆ
t
z
t
y
t
x
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