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AMP-25, AMP-25-EUR
Calibration Procedure
7. Exit Calibration mode
7.1. Turn OFF the EUT to exit calibration mode.
8. Verification Test
8.1. Verify the accuracy of the data points in Table 1 according to the accuracy specifications
in users manual.
8.2. If reading is out of specifications, perform the following to clear all CAL data:
Press and hold the
display symbols, then release buttons and press buttons
following sequence
LPF
I
inrush
until
display
The EUT will enter calibration mode after showing
8.3. Start from Step 1 for re-calibration
8.4. If EUT still fails to comply with accuracy specifications after calibration, contact
Amprobe for servicing
Recommended equipment:
· Fluke 5520 calibrator
· Transconductance Amplifier
· Current coil with overall diameter < 22 mm
Function
AC A
Rev. 002
"HOLD"
button while powering up. The display shows full screen
→
I
ZERO
→
HOLD
→
shows
"CLr".
Table 1: Calibration data point
* Refer to the latest published
specifications and update the
calculation as applicable
Range
Accuracy* LSD* Res.*
60.00
1.5%
60.00
1.5%
60.00
2.5%
60.00
2.5%
60.00
1.5%
60.00
2.5%
60.00
2.5%
60.00
1.5%
60.00
2.5%
60.00
2.5%
Procedure for Item Number:
immediately
LPF
I
lnrush
→
Press and hold
"CLr".
Input
reference
A
Hz
5
0.01
10.00
50
5
0.01
10.00
70
5
0.01
10.00 200
5
0.01
10.00 400
5
0.01
30.00
50
5
0.01
30.00 200
5
0.01
30.00 400
5
0.01
60.00
50
5
0.01
60.00 200
5
0.01
60.00 400
Page 6 of 7
4588254, 4588268
according to the
Low Limits High limits
9.80
10.20
9.80
10.20
9.70
10.30
9.70
10.30
29.50
30.50
29.20
30.80
29.20
30.80
59.05
60.95
58.45
61.55
58.45
61.55