Fluke Calibration 9500B Calibration Manual page 55

Verification Setup
1. Connections:
2. Counter:
3. 9500B:
Verification Procedure
Copy the table 8. Follow the correct sequence of verification points as shown on the
table, and carry out the following operations (1) to (5) at each verification point.
1. Verification Points:
2. Counter:
3. 9500B:
4. Counter:
5. 9500B:
Please copy the following table. Enter the measurements in the appropriate
Measured Period column on the copy:
Table 8. Time Markers Verification at 1 Vpk-pk Output
Verif. Point Time Marker
MKR1 10.000 ns (sqr)
MKR2 100.00 ns (sqr)
1.0000 μs (sqr)
MKR3
MKR4 1.0000 ms (sqr)
MKR5 10.000 ms (sqr)
Connect the 9500B to the Counter as shown in
Summary, and ensure that both instruments are
powered ON and warmed up.
Select the required function to measure period.
a. Ensure that the 9500B is in MANUAL mode and
then select the Time Markers function (ζ key).
b. Use the bottom soft key on the right of the screen,
highlighting 1/f (Γ), to view output Period on the
screen.
c. Select the required output Signal Channel (50 Ω
or 1 MΩ Load as required), trigger channel and
Trigger Ratio (if required).
Refer to Table 8.
Select the correct display time, trigger source and
level to measure at the verification point.
Set the Time Marker period as required for the
verification point, and set Output ON.
Adjust the trigger level for a stable display, measure
and note the output period.
Set Output OFF.
Note
<83 µs, ≥83 µs ±3 ppm
Period
Lower
9.9999975 ns
99.999975 ns
0.99999975 μs
0.999997 ms
9.999970 ms
High Performance Oscilloscope Calibrator
9500B Mainframe Verification by Functions
Absolute Limits
Higher
10.0000025 ns
100.000025 ns
1.00000025 μs
1.000003 ms
10.000003 ms
Measured Period
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