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80170 Cloud Height Sensor
Specifications | PDF
 The 80171 cloud ceilometer is a stand-alone instrument
designed for fixed and mobile installations. It detects clouds
using the LIDAR principle with a low power diode laser
that is eye safe. This ceilometer has a detection range up to
25,000 feet and is very accurate. The 80170 is highly
reliable, with demonstrated mean-time-between-failures of
over 150,000 hours.
The main advantages of the 80171 are its size, weight, power
requirement, and modern design. The small size and weight
make the 80171 ideal for mobile use and facilitates easy
maintenance by one person. The ceilometer can be carried
in one hand and can operate from a 12 VDC battery or solar
supply, or from AC mains power. The primary advantage
of the 80171 is its modem electronic design, which reduces
the number of replaceable subassemblies to two items and
allows complete field replacement without adjustments or
calibration.
The 80171 employs unique digital signal processing
techniques that enables detection of up to five cloud layers
from an eye-safe laser. This special design also extends the
life of the laser beyond 10 years. The 80171 has outputs for
different types of display and recording units. An RS-232
interface supports local control, test, and data acquisition.
For remote control and data acquisition, there is an internal
FSK modem. A digital readout on the ceilometer enclosure
provides cloud base and operating status information.
The ceilometer has built-in test equipment for automatically
adjusting its operating parameters and for self-diagnostics.
The cyclic self-testing completely covers the ceilometer’s
operation and reports current status in every output message,
There are not periodic calibrations or adjustments required.
The 80171 has been tested to IEC environmental standards
for vibration, shock, impulse voltages, transients, operating
temperature, and EMI susceptibility and emissions.
Specifications
Range: 0 to 25,000 ft(0 to 7500 m)
Resolution: 30 ft. (10 m)
Accuracy: 30 ft. or 2%, whichever is greatest
Measure interval: 30 and 60 seconds
Outputs:
One service port (RS-232C)
One data port (RS-232C or FSK)
Local readout display (option)
Output data: Cloud height (up to 5 bases), cloud
depth, sky coverage (option), backscatter
signal profile, vertical visibility,
maximum discemable range. sell-test
data
Operating temp: -50 to +50°C
Power supply:
110/240 VAC or 12 VDC @ 30 VA
Heaters 160 VA, Blower 250 VA
Color: Gloss white or military green
Weight: 15 kg (32 lbs) without stand
Dimensions: 358 mm x 408 mm x 232 mm
(14 in x 16 in x 9 in)
Laser safety: Class 1 laser product, SSIFS 1980:2 (SS
EN60825)
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