chm_15k_en
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OPTICAL SYSTEMS I LASERS & MATERIAL PROCESSING I INDUSTRIAL METROLOGY I TRAFFIC SOLUTIONS I DEFENSE & CIVIL SYSTEMS
Ceilometer CHM 15kMeasuring clouds, aerosol height profiles and visibility
Sensor Systems
Making the weather measurableThe CHM 15k ceilometer measures aerosol height profiles.
It determines cloud base heights and penetration depths,
mixing layer height and vertical visibility. Within its
operating range up to 15 kilometers (50,000 feet), it
reliably detects multiple cloud layers and cirrus clouds.The CHM 15k mesures and processes data using the
LIDAR technique.
High optical sensitivity for exact resultsA laser source with long lifetime together with a special
optical design enables the use of small bandwidth filters.
And together with a highly sensitive photo receiver working
in photon counting mode the CHM 15k is able to provide
exact measuring results in day- and nighttime.
Reliable operation in any climateThe CHM 15k is prepared to work throughout the year and
in any climate. Due to its double case structure combined
with a window blower and an automatic heating system,
the CHM 15k is not interfered with fogging or precipitation.
Benefits Great measuring range up to 15 km (50,000 ft)
Enhanced multiple cloud layer detection
Simple and eye-safe routine operation
Service-friendly modular device setup
Various data telegrams, including raw data
GUI software for device control and display of
measured backscatter data in NetCDF format
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JENOPTIK I Defense & Civil Systems
Sensor Systems Business Unit
JENOPTIK Laser, Optik, Systeme GmbH
Goeschwitzer Strasse 25 I 07745 Jena I Germany
Phone +49 3641 65-3845 I Fax -3573
[email protected] I www.jenoptik-los.com 014008-008-99-14-0109-en
It is our policy to constantly improve the design and specifications. Accordingly, the details represented herein cannot be regarded as fina l and binding.
Ceilometer CHM 15kMeasuring clouds, aerosol height profiles and visibility
SpecificationsMeasuring parameters
Measuring principle Optical (LIDAR)
Measuring range 30 m - 15 km
Resolution 15 m
Time to measure 5 s ... 60 min (programmable)
Targets Aerosols, clouds
Quantities to be measured - Cloud heights (preset: three layers)- Penetration depth- Vertical visibility- Height of mixing layer
Light source Nd:YAG solid-state laser, wavelength 1064 nm
Interfaces and software for data output and device configurationStandard interface RS485
Optional interfaces RS232, RS422, LAN
Data telegrams Measured data and device settings aretransmitted in a data telegram.Three types of data telegrams are available:Standard, Extendedand Raw Data
Optional software JO-DataClientSoftware for data acquisition and forcontrolling and monitoring the CHM 15k
JO-Visual
Software for convenient visualizingmeasured results
Electrical parameters
Power supply 230 / 110 V(AC), 10 %
Power consumption 250 W (standard)800 W (in maximum heating mode)
Operating safety
Environmental requirements ISO 10109-11
Laser protection class 1M according to DIN EN 60825-1:2003-10
Internal protection class IP65
EMC Class B, DIN EN 61326
Electrical safety DIN EN 61010-1
Certifications CE
Dimensions
Enclosure dimensionsall over (L W H)
500 mm 500 mm 1550 mm
Packaging dimensions fortransport (L x W x H)
650 m 800 mm 1670 mm
Weight Complete system:Measuring unit:
70 kg9.5 kg
Operating conditions
Temperature -40 C ... +50 C
Relative humidity 0 % ... 100 %
Dimensions CHM 15k
The data telegrams in detail
Standard data telegram
Output interval, date, time, detected cloud layers,
detected penetration depths, vertical visibility,
max. detection range, local altitude, measuring
unit (m/ft), system status, precipation index, checksum
Extended data telegram
Standard telegram combined with additional
status messages and device specific parameters
Raw data telegram
Extended telegram with measured raw data
(in NetCDF format)
Exemplary data telegram
...; 29.05.06; 05:25; 00330; 01913; 07725; 0150;
0112; 0772; 01968; 08498; +060; m; 11111111
500
1564
500
500
550
14
500