Using E4410 E-Series Power Sensors 4
N1913/1914A EPM Series Power Meters User’s Guide 123
Measurement Accuracy
Power sensors have small errors in their response over frequency. The
response of each sensor is measured during manufacture (and during
periodic calibration). With E- Series power sensors, the resulting frequency
compensation information is written into Electrically Erasable
Programmable Read Only Memory (EEPROM). This allows the frequency
and calibration data to be downloaded to the power meter automatically.
Using calibration factors enables you to achieve improved measurement
accuracy. This section describes making continuous wave measurements
using the E4410 E- Series power sensors.
Making a measurement requires the following steps:
1 Zero and calibrate the power meter/sensor combination.
2 Set the frequency for the signal you want to measure.
3 Make the measurement.
Procedure
1 Zero and calibrate the power meter/sensor combination.
2 Ensure the power sensor is disconnected from any signal source.
3 Press and the channel softkey. The Zeroing pop- up is
displayed.
4 Connect the power sensor to the POWER REF output.
5 Press and the channel softkey to start the calibration
routine. The Calibrating pop- up is then displayed.
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