[EN] English - K0460 Calibration procedures 10-7
Issue 1
10.8 Procedures
(CH1): Frequency
(measure/source)
It is only necessary to do one frequency calibration; use the
measure function or the source function.
Frequency calibration (measure function): With the
necessary calibration equipment, use this procedure:
1. Connect the applicable calibration equipment in Table 10-1;
for example: see Section 3.2.8 (Example procedure:
Measure or source frequency signals), example A.
2. Let the equipment get to a stable temperature (minimum: 5
minutes since the last power on).
3. Set-up the equipment with these conditions:
4. Use the calibration menu (Section 10.3) to do a one-point
calibration then do the calibration checks (step 5).
Frequency calibration (source function): With the
necessary calibration equipment, use this procedure:
1. Connect the applicable calibration equipment in Table 10-1;
for example: see Section 3.2.8 (Example procedure:
Measure or source frequency signals), example B.
2. Let the equipment get to a stable temperature (minimum: 5
minutes since the last power on).
Table 10-7: Voltage (source) error limits
Source
V
Calibrator
uncertainty (V)
Permitted
DPI 620-IS error (V)
0 0.000004 0.00042
3 0.000010 0.0006
6 0.000018 0.00078
9 0.000027 0.00096
12 0.000036 0.0011
Signal generator: Output = 10V, unipolar,
square wave
Frequency = 990 Hz
DPI 620-IS: Input units = Hz
Input trigger level = 5 V
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