ETS-Lindgren HI-2200 RF Survey Meter - Manual (Page 31)

Operation | 31
In spatial averaging, a series of measurements are taken during a
relatively short period of time (usually not more than two to three
minutes). At the end of the period, the average value is the answer.
The measurement is used to monitor compliance with standards,
based on the whole-body average maximum permissible exposures
(MPE). The average field is measured over the space occupied by the
subject’s body.
For more information about averaging see Averaging on page 38.
A LARM P OINT
Alarm Point allows the user to set a field level above which an alarm will
indicate/sound. The range is 0.00 to 1000 units. Audio must be set to Alarm for
an audible tone to sound when the alarm level is reached. If the alarm level is set
higher than the range of the probe, the alarm will not indicate/sound. Setting the
alarm level to 0.00 will turn the alarm off.
A UDIO
Audio is an audio annunciator that is provided to signal various functions on the
HI-2200. Options include None, Alarm, Cadence, and Both.
• None turns off all sounds excluding the startup tone.
• Alarm causes the unit to emit a tone when the alarm level set under
the Alarm Point option is exceeded.
• Cadence enables a pulsing tone to assist in measuring consistently
over a distance. This tone sounds every second during logging in
continuous or spatial log mode.
• Both enables the alarm point tone and the cadence tone at the same
time. In addition to the pulse tone, a continuous tone will sound when
the alarm level is reached