HP 8481A Operating And Service Manual page 10

08481-90049
HP 8481A/82A/83A
Interconnections
Refer to the power meter operating and service manual for
interconnecting instructions.
Operation
Environment
The operating environment for the Power Sensor should be as follows:
Temperature ....
Relative humidity
Altitude
0 to +55°C
<95%
< 4,572 metres (15 000 ft)
Operating Precautions
Before the Power Sensor is connected, the following precautions must be
observed.
Warning
0
BEFORE CONNECTING THE POWER SENSOR TO ANOTHER
INSTRUMENT, ensure that the instrument and power meter are
connected to the protective (earth) ground.
Exceeding the following energy and power levels may result in damage
to the power meter system.
Maximum Average Power
Maximum Peak Power ..
300 mW
15W (low HP 8483A
Caution
Only)
30W yus
Maximum Energy Per Pulse
Do not apply torque to the Power Sensor's body while connecting or
disconnecting the Type N RF connector.
When using the Power Sensor with the HP 435 series Power Meter
make sure the correct scale is mounted on the Power Meter RANGE
switch. Refer to Section II of the HP 435 series Power Meter Operating
and Service Manual.
4
Note
Operating Procedures
Instructions for use of the Power Sensor are provided in the power
meter manual. During operation, the precautions described under
"Operating Precautions" must be observed.
The maximum SWR and reflection coefficient for each Power Sensor are
listed in table 4. For making these measurements, use equipment which
has measurement uncertainties not exceeding those shown in the table.
SWR (Reflection
Coefficient)
Performance Test
6