
8808A Calibration Manual Supplement
9/11 1
Change #1
On page 3-11, replace Table 3-8 with the following:
Table 3-8. Frequency Verification Steps
Nominal Input Range 90-Day Test Limit 1-Year Test Limit
Ampl. Freq. High Low High Low
0.1 V 20 Hz 2000 Hz 20.04 Hz 19.96 Hz 20.06 Hz 19.94 Hz
0.1 V 50 Hz 2000 Hz 50.02 Hz 49.98 Hz 50.03 Hz 49.97 Hz
0.1 V 1900 Hz 2000 Hz 1900.24 Hz 1899.76 Hz 1900.26 Hz 1899.74 Hz
0.1 V 19 kHz 20 kHz 19.0023 Hz 18.9977 Hz 19.0025 Hz 18.9975 Hz
0.1 V 195 kHz 200 kHz 195.024 Hz 194.977 Hz 195.026 Hz 194.975 Hz
0.1 V 1000 kHz 1000 kHz 1000.14 Hz 999.86 Hz 1000.16 Hz 999.84 Hz
Change #2
On page 2-6, replace the Current-Input Fuses section with the following:
Current-Input Fuses
The 200 mA and 10 A inputs are protected by user-replaceable fuses.
The 200 mA input is protected by a fuse (F1) rated at 440 mA, 1000 V (fast blow), 10,000 A
minimum breaking capacity.
The 10 A input is protected by a fuse (F2) rated at 11 A, 1000 V (fast blow), 10,000 A
minimum breaking capacity.
Current Input Fuse Table
F1 F1 - Fuse, 11 A, 1000 V, Fast blow or equivalent 803293
F2 F2 - Fuse, 440 mA, 1000 V, Fast blow or equivalent 943121
On page 2-6, under the first Warning replace step 3 with:
Press to set the range to 200 .
On page 2-6, under the second Warning replace step 5 with:
5. Remove the defective fuse and replace it with a fuse of an appropriate rating. See the Current
Input Fuse Table