9.2
9.2
9.2
9.2
Ambient
Ambient
Ambient
Ambient
Condition
Condition
Condition
Condition
for
for
for
for
Calibration
Calibration
Calibration
Calibration
Ambient temperature: 23 ℃± 1 ℃
R elative humidity: 45 to 75% RH
W arming-up :
The standard equipment must be warmed up to the given time.
D o not connect the calibrator to the power supply until it has
been exposed to the calibrating ambient condition for 24 hours.
T hen set the calibrator to a state of non-automatic shutdown
followed by warming up to 0.5 hour.
N
N
N
N
ote
ote
ote
ote
P ower supply for calibration: During the calibration, the battery
needs replacing with a new one.
9.3
9.3
9.3
9.3
Operating
Operating
Operating
Operating
Output
Output
Output
Output
Calibration
Calibration
Calibration
Calibration
O perating calibration in order of items and calibration points in
the following table:
1) The calibration wiring diagram is shown as follows:
C
C
C
C
alib.Item
alib.Item
alib.Item
alib.Item
S
S
S
S
tandard
tandard
tandard
tandard
Equipment
Equipment
Equipment
Equipment
Output
Output
Output
Output
Range
Range
Range
Range
Accuracy
Accuracy
Accuracy
Accuracy
5520A( FLUKE)
or equivalent
I
I
I
I
tem
tem
tem
tem
No.
No.
No.
No.
Output
Output
Output
Output
Range
Range
Range
Range
Calib.Point
Calib.Point
Calib.Point
Calib.Point