Atec Narda-A8860-A8862-A8864 - Manual (Page 2)

Personal and Area Monitors
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· The diode-dipole design complements the low
frequency sensor in the UHF region by detecting
vertically polarized fields. The combination of the two
sensors detects all polarizations.
· The microwave band sensor uses thermocouple
detectors. Thermocouple arrays function primarily
as dipole antennas up to about 10 GHz. At higher
frequencies, the sensor increasingly functions in the
traveling-wave mode of detection. This enhances the
sensor’s sensitivity and allows it to function accurately
up to 100 GHz and beyond. Thermocouple
detectors are always true RMS detectors and yield ac-
curate results even with extremely narrow radar
pulses.
The 8861 Series is specifically designed for use in strong
ELF fields, such as where wireless antennas are mounted
on towers that carry high voltage 50/60 Hz utility power.
The 8860 and 8862 Series Nardalert XT models are not de-
signed for this environment and false alarms may occur.
The 8864 Series is specifically designed to be worn on the
outside of RF protective suits since monitors do not func-
tion properly when worn underneath these suits. RF pro-
tective suits generally provide a minimum of 10 dB (10:1)
protection. The 8864 Series monitors sound an alarm at high
field levels to warn the wearer that they are in an area where
the RF protective suits may not be sufficient protection.
The pocket clip supplied
with the monitor allows
you to wear the monitor in-
side your shirt pocket
while maintaining the top
of the monitor near the top
of the pocket, regardless
of pocket size. This allows
y o u t o v i e w t h e L E D
level-indicators.
The belt clip supplied with
the monitor snaps on the
monitor case in place of
the pocket clip. It has a
strong spring and retain-
ing hook that makes an ac-
cidental detachment from
your belt unlikely.
Model 8865 Interface Kit
The Model 8865 Interface Kit, although not required, allows
Nardalert XT users to perform two important functions:
· Adjust several monitor parameters, such as
alarm-threshold settings and data-logging rate
· Download and analyze logged data
The Nardalert XT is ready to use upon receipt. If you want
to take advantage of these additional features all you need
is one Interface Kit per location. For example, if your New
York office has 30 Nardalert XTs, all you need is one Inter-
face Kit. Of course, if you also have monitors in another
city, then you will probably want a kit for every city.
The Model 8865 Interface Kit is comprised of:
· A small electronic module that connects the Nardalert
XT to any Windows ® compatible personal computer
· The Nardalert XT User’s Software (CD)
· A cable to connect the module and the PC (RS-232)
· A cable to connect the module and the monitor
· A plastic storage box
The User’s Software is very easy to use. Although a com-
plete manual is included on the CD and is available from
the help menu, few users ever need to refer to the manual.
A “tool tip” appears for every control and window when
you pause the cursor near the control. Anyone familiar
with Windows programs has seen the words “Cut” or
“Paste” appear in other programs.