No, the 4421 does not need calibration. The 4421 serves as a display for the thru-line sensor. All calibration is performed with the RF sensors.
Articles in this section
- Accuracy & error sources of 7020, 7027, 7028 sensors
- 4421 Power Meter Obsolescence Notice
- Do I have to use a 4421 meter to read RF measurements?
- Can I automate my readings with the 4421 meter?
- Do I need to calibrate my 4421?
- Can I connect multiple sensors to the 4421?
- Can the 4020, 4027 or 4028 series sensors measure RF pulses?
- What is the recommended calibration cycle of 4021, 4022, 4023, 4024 and 4025 power sensors?
- What is the recommended calibration cycle of BDS2 VI Probe System?
- What is the recommended calibration cycle for the 4028 series power sensors?