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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 re ected
solar radiation.
The special plastic used in the plates
has excellent thermal characteristics;
the white outer surface re ects
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:
• Vaisala HUMICAP
®
Humidity and
Temperature Probe HMP155
• Vaisala HUMICAP
®
Humidity and
Temperature Transmitter HMT337
• Vaisala HUMICAP
®
Humidity and
Temperature Transmitter HMT100
Choice of models and
installation accessories
Two models are available:
• Nine-plate shield:
Vaisala Radiation Shield DTR502B
for HMT337, HMT100, PTU300 and
HMP155's additional T probe
• Twelve plate shield:
Vaisala Radiation Shield DTR503A
for HMP155
Features/Benefi ts
▪
Protects temperature and
humidity probes from
scattered, as well as, direct
solar radiation and rain.
▪
Installs easily on a vertical
pole, horizontal beam or fl at
surface
▪
Maintenance-free
▪
Suitable for a wide range of
applications
▪
Naturally ventilated
▪
Choice of shields and
mounting accessories
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