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DTR500 Solar Radiation and
Precipitation Shields
The Vaisala Radiation Shield
Series DTR500 are solar radiation
and precipitation shields support
humidity probe installations in
outdoor applications.
Shield protects sensor
The maintenance-free DTR500 series
shields protect the humidity and
temperature sensors from solar
radiation and precipitation. They
provide excellent ventilation while
blocking both direct and reected
solar radiation.
The special plastic used in the plates
has excellent thermal characteristics;
the white outer surface reects
radiation; the black inside absorbs
accumulated heat. The shields can
be easily installed on either a vertical
pole, horizontal beam, or a at
surface.
The Vaisala Solar Radiation Shield
Series DTR500 are available in either
a 9 or 12-plate, model.
The DTR Shields can be used with
the following Vaisala probes:
r 7BJTBMB)6.*$"1
®
Humidity and
Temperature Probe HMP155
r7BJTBMB)6.*$"1
®
Humidity and
Temperature Transmitter HMT337
r7BJTBMB)6.*$"1
®
Humidity and
Temperature Transmitter HMT100
Choice of models and
installation accessories
Two models are available:
r/JOFQMBUFTIJFME
Vaisala Radiation Shield DTR502B
for HMT337, HMT100, PTU300 and
HMP155's additional T probe
r5XFMWFQMBUFTIJFME
Vaisala Radiation Shield DTR503A
for HMP155
Features/Benefits
▪
Protects temperature and
humidity probes from
scattered, as well as, direct
solar radiation and rain.
▪
Installs easily on a vertical
pole, horizontal beam or flat
surface
▪
Maintenance-free
▪
Suitable for a wide range of
applications
▪
Naturally ventilated
▪
Choice of shields and
mounting accessories
Technical data
Dimensions
Dimensions in mm.
DTR502B
for HMT337, HMT100 and PTU300
DTR502B pole mast installation.
Dimensions
Dimensions in mm.
DTR503A
for HMP155
DTR503A pole mast installation.
Ref. B210906EN-A ©Vaisala 2009
This material is subject to copyright protection, with all
copyrights retained by Vaisala and its individual partners. All
rights reserved. Any logos and/or product names are trademarks
of Vaisala or its individual partners. The reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of Vaisala is strictly
prohibited. All specifications — technical included — are subject
to change without notice.
For more information, visit
www.vaisala.com or contact
us at sales@vaisala.com
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DTR502B horizontal
beam installation.
DTR503A horizontal
beam installation.
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