Calibration Interval
One Year Calibration Interval
The instrument should be calibrated on a regular interval determined by the accuracy requirements of
your application. A one-year interval is adequate for most applications. Accuracy specifications are
warranted only if adjustment is made at regular calibration intervals. Published accuracy specifications
are not warranted beyond the one-year calibration interval. Keysight MP4301A and MP4302A
mainframes do not require calibration.
Voltage and current programming and measurement accuracy specifications can be extended to a
three-year period calibration interval by multiplying (or increasing) the one-year calibration accuracy
specifications shown in the verification Test Record Forms by a factor of three.
LETHAL VOLTAGES - Power modules generate output voltages up to 160 VDC! Ensure
that all instrument connections, load wiring, load and sense connections are insulated.
Always turn off ac power when connecting or disconnecting any equipment on the
sense or output terminals of the unit.
Calibration Setups
Test Considerations
For optimum performance, all calibration procedures should comply with the following:
l
Fixed mode operation is required for all verification procedures.
l
Ambient temperature is stable, within 23 °C ±2 °C.
l
Ambient relative humidity is less than 80%.
l
30 minute warm-up period before verification or adjustment.
l
Cables as short as possible, twisted or shielded to reduce noise.
6 Verification and Calibration
176 Keysight MP4300 Series Operating and Service Guide
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