Introduction
Chapter 120
Operation
Environment
The operating environment for the Power Sensor should be as follows:
Operating Precautions
Before the Power Sensor is connected, the following precautions must be observed.
WARNING BEFORE CONNECTING THE POWER SENSOR TO ANOTHER
INSTRUMENT, ensure that the instrument and power meter are connected to
the protective (earth) ground.
Power Meter Calibrations
Power Meter to Power Sensor calibration procedures differ with the power meter.
Follow the calibration procedure located in your power meter’s user’s guide.
Temperature Sensitivity The sensitivity of the power sensor is influenced by
ambient temperature. The sensor should be recalibrated at each change in
temperature to obtain the most accurate results. Typical temperature sensitivity
variations are shown in Figure 1-7 for the 8481D power sensor.
Temperature
0 to +55
o
C
Relative humidity <95%
Altitude < 4,572 metres (15,000 ft.)
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