9
2. Calibration Procedure
2-1. General
This Calibration Procedure should be performed at an ambient temperature of
23
°
C
±
5
°
C and a relative humidity of less than 60%. It allows the instrument to
stabilize at this environment for a minimum of 30 minutes.
2-2. Equipment's required
Table 2-1 is shown test equipment's required.
Table 2-1 Test Equipment's Required
No.
Equipment name
Model & Specification
Remark
1.
Meter calibrator
Fluke
2.
Standard Decade Resistor 0.1
Ω
to 10k
Ω
3.
Standard Decade Resistor 100
Ω
to 10M
Ω
4.
Frequency Generator
10 Hz to 200kHz
2-3. DC Voltage reference adjustment
a. Set the function "DC V" and connect test leads to input terminal(Red to V
input terminal, Black to Common terminal) and select
“
2V
’
range.
b. Short test leads for reading
“
+/-0.0005
”
on the DUT.
c. Supply "1.0V DC" from Meter calibrator and adjust "VR15" for reading
"1.0000" on the DUT.
d. Change the range to
“
20V
”
and supply
“
10V DC
”
from Meter calibrator.
And adjust
“
VR3
“
for reading
“
10.000
”
on the DUT.
e. Change the range to
“
100V
”
and supply
“
100V DC
”
from Meter calibrator.
And adjust
“
VR4
“
for reading
“
100.00V
”
on the DUT.
f. Change the range to
“
1200V
”
and supply
“
1000V DC
”
from Meter calibrator.
And adjust
“
VR200
“
for reading
“
1000.0V
”
on the DUT.
2-4. AC Voltage reference adjustment
a. Set the function "AC V" and connect test leads to input terminal(Red to V
input terminal, Black to Common terminal) and select
“
2V
’
range.
b. Short test leads and adjust
“
VR101
”
for reading
“
0.00
”
on the DUT.
c. Supply "1.0V 60Hz" from Meter calibrator and adjust "VR100" for reading
"1.0000" on the DUT.
2-5. Resistance reference adjustment
a. Set the function "
Ω
" and connect test leads to input terminal(Red to V
input terminal, Black to Common terminal) and select
“
2000k
Ω
”
range.
b. Supply "1000k
Ω
" from Meter calibrator and adjust "VR10" for reading
"1000.0" on the DUT.
c. Change the range to
“
2 k
Ω
”
and supply
“
100
Ω
”
from Meter calibrator.
And adjust
“
VR12
“
for reading
“
0.1000
”
on the DUT.
d. Supply "1k
Ω
" from Meter calibrator and adjust "VR1" for reading "1.0000"
on the DUT.
e. Change the range to
“
20 k
Ω
”
and supply
“
10k
Ω
”
from Meter calibrator.
And adjust
“
VR2
“
for reading
“
10.000
”
on the DUT.
f. Change the range to
“
200 k
Ω
”
and supply
“
100k
Ω
”
from Meter calibrator.
And adjust
“
VR201
“
for reading
“
1.0000
”
on the DUT.
g. Change the range to
“
20 M
Ω
”
and supply
“
10 M
Ω
”
from Meter calibrator.
And adjust
“
VR11
“
for reading
“
10.000
”
on the DUT.
9.993V
99.93
.9993V
