Model 831 Manual Sections 5, 6, 7 and 9 (except 9.3) B-11
For a temperature change of 5 °C then 30 minutes are required.
For a static pressure change of 5 kPa then 15 seconds are required.
For a humidity change of 30% (non-condensing) then 30 minutes are required.
m) Field Strength > 10 V/m
The Larson Davis model 831 was not measured for field strengths greater than 10 V/m.
n) Radio Frequency Emission
The mode of operation of the 831 that produces the greatest radio frequency emission levels was with
the 831 set to run and with an EXC010 (10' microphone extension cable) used to connect the PRM831
to the 831.
o) AC Power and Radio Frequency Susceptibility
The mode of operation of the 831 that produced the greatest measurement susceptibility to A.C. power
frequency and radio frequency fields was with the 831 set to run, USB cable attached and with an
EXC010 (10' microphone extension cable) between the PRM831 and the 831.
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