
Solar Radiation Shield, Unassembled (RS1) Manual
1-800-LOGGERS 3 www.onsetcomp.com
If using a HOBO MX2301 or MX2305 series logger with the Solar
Radiation Shield, attach the logger and bracket (MX2300-RS-
BRACKET) to the underside of the closed plate with the screws
included with the bracket as shown below.
Attaching an External Temperature Sensor
from a HOBO Logger
1. Place the sensor cable into the notch on one of the clip
mounts and hold it in place. Hold the clip mount so the
raised semi-circle at the top of the notch will face up.
2. Position the second clip mount over the first, with the notch
facing in the opposite direction, securing the sensor cable
between the two notches. When positioning the second clip
mount, make sure the raised semi-circle will face down.
3. Position the clip mounts over two of the mounting posts on
the closed plate. Make sure you orient the clip mounts as
shown at right.
4. Attach the clip mounts to the mounting posts using two of
the #4 x 1/2 in. pan head self-threading screws and two of
the #4 flat washers.
5. Once secured, adjust the sensor so that it and
approximately 1/4 in. (6 mm) of cable protrude from the
clip mounts.
6. Place the cable clamp around the sensor cable
approximately 8 in. (20 cm) from the sensor.
7. Secure the cable clamp to one of the remaining mounting
posts (using a #4 x 1/2 in. pan head self-threading screw
and a #4 flat washer) so that a loop of cable is formed.
Make sure to mount the clamp so that the flat side will be
up and the bulge side down. Tighten the screw completely
so that the cable cannot move within the cable clamp.
Assembling the Solar Radiation Shield to
Attach to the Side of a Post, Wall, or Pipe
The following instructions explain how to assemble the
mounting bracket to the top of the Solar Radiation Shield for
installation on the side of a post, a wall, or on a pipe. If you plan
to mount the Solar Radiation Shield on top of a post, follow the
instructions in Assembling the Solar Radiation Shield to Attach
to the Top of a Post on page 5.
Assembling the Solar Radiation Shield Plates
1. Slide each of the three #8 x 5 in. threaded rods, with push
nuts installed, through each of the three holes in the three
open plates. When inserting the threaded rods, make sure
the long end (when measured from the push nut) goes
through the holes in the open plates.
2. If you are using an external temperature sensor, feed the
entire remaining length of external temperature sensor
cable attached to the closed plate through the open centers
of the three open plates.
3. Slide the closed plate with the logger over the threaded rod
ends protruding from the top of the open plates so that
logger is enclosed within the center of the open plates.
4. Slide the flat plate over the threaded rod ends protruding
from the closed plate with the logger.
5. Place plastic screw retainers over the protruding threaded
rod ends.
6. Rest the partially assembled Solar Radiation Shield on a flat
surface and go to the next section.
Assembling the Radiation Shield Plates
Attached during
final assembly
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