Campbell CM110 User manual

INSTRUCTION MANUAL
Tripod Installation Manual
Models CM110, CM115, CM120
1/05
Copyright (c) 2005
Campbell Scientific, Inc.

Warranty and Assistance
The CM110, CM115, AND CM120 are warranted by CAMPBELL
SCIENTIFIC, INC. to be free from defects in materials and workmanship under
normal use and service for twelve (12) months from date of shipment unless
specified otherwise. Batteries have no warranty. CAMPBELL SCIENTIFIC,
INC.'s obligation under this warranty is limited to repairing or replacing (at
CAMPBELL SCIENTIFIC, INC.'s option) defective products. The customer
shall assume all costs of removing, reinstalling, and shipping defective products
to CAMPBELL SCIENTIFIC, INC. CAMPBELL SCIENTIFIC, INC. will
return such products by surface carrier prepaid. This warranty shall not apply
to any CAMPBELL SCIENTIFIC, INC. products which have been subjected to
modification, misuse, neglect, accidents of nature, or shipping damage. This
warranty is in lieu of all other warranties, expressed or implied, including
warranties of merchantability or fitness for a particular purpose. CAMPBELL
SCIENTIFIC, INC. is not liable for special, indirect, incidental, or
consequential damages.
Products may not be returned without prior authorization. The following
contact information is for US and International customers residing in countries
served by Campbell Scientific, Inc. directly. Affiliate companies handle repairs
for customers within their territories. Please visit www.campbellsci.com to
determine which Campbell Scientific company serves your country. To obtain
a Returned Materials Authorization (RMA), contact CAMPBELL
SCIENTIFIC, INC., phone [phone]. After an applications engineer
determines the nature of the problem, an RMA number will be issued. Please
write this number clearly on the outside of the shipping container.
CAMPBELL SCIENTIFIC's shipping address is:
CAMPBELL SCIENTIFIC, INC.
RMA#_____
815 West 1800 North
Logan, Utah 84321-1784
CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

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Tripod Installation Table of Contents
PDF viewers note: These page numbers refer to the printed version of this document. Use
the Adobe Acrobat® bookmarks tab for links to specific sections.
1. General........................................................................1
2. Specifications .............................................................2
3. Tools List.....................................................................3
4. Tripod Components....................................................3
5. Tripod Installation.......................................................4
5.1 Tripod Base...............................................................................................4
5.2 Mast ..........................................................................................................5
5.3 Installing the Guy Kit................................................................................9
5.4 Staking the Tripod Feet...........................................................................11
5.5 Tripod Grounding ...................................................................................12
5.6 Crossarm Attachment..............................................................................14
5.7 Enclosure Attachment .............................................................................14
6. Mounting Brackets....................................................17
6.1 CM210 Crossarm-to-Pole Mounting Kit.................................................18
6.2 CM215 Sensor Mounting Kit for Top of Mast of CM110, CM115,
or CM120...............................................................................................19
6.3 CM220 Right Angle Mounting Kit .........................................................20
6.4 CM225 Mounting Stand .........................................................................21
6.5 CM230 Adjustable Angle Mounting Kit.................................................22
6.6 CM235 Magnetic Mounting Stand..........................................................22
6.7 RM Young Gill Radiation Shields ..........................................................24
Appendix
A. Tripod Tote Bag......................................................A-1
Figures
1-1. CM110 tripod with optional guy kit and CM204 Crossarm ....................1
2-1. 60-Degree Guy Angle..............................................................................2
4-1. Tripod Components .................................................................................3
5-1. Tripod Leg, Slide Collar Components.....................................................4
5-2. Tripod Mast and Insert ............................................................................5

Tripod Installation Table of Contents
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5-3. Mast Attachment to Tripod Base ............................................................ 6
5-4. Mast Lock Bracket.................................................................................. 8
5-5. Upper Guy Ring...................................................................................... 9
5-6. Guy Hook and Lever Arm..................................................................... 10
5-7. Mechanical Drawing of Guy Hook and Case........................................ 11
5-8. Staking the Tripod Feet......................................................................... 11
5-9. Ground Rod and Clamp ........................................................................ 12
5-10. Lightning Rod and Tripod Grounding Lug ......................................... 13
5-11. CM204 Crossarm................................................................................ 14
5-12. ENC 12/14 Enclosure Attached to the Tripod Base............................ 15
5-13. ENC 12/14 .......................................................................................... 16
5-14. Enclosure Slide Lock .......................................................................... 17
6-1. CM210 Crossarm-to-Pole Mounting Kit............................................... 18
6-2. CM215 Sensor Mounting Kit for Top of Mast ..................................... 19
6-3. CM220 Right Angle Mounting Kit ....................................................... 20
6-4. CM225 Pyranometer Mounting Stand .................................................. 21
6-5. CM230 Adjustable Angle Mounting Kit............................................... 22
6-6. CM235 Magnetic Mounting Stand........................................................ 23
6-7. RM Young Gill Radiation Shield.......................................................... 24

1
Tripod Installation Manual
Models CM110, CM115, CM120
1. General
The CM110 (10 feet), CM115 (15 feet), and CM120 (20 feet) tripods are
corrosion-resistant aluminum instrument mounts that support the attachment of
sensors, solar panels, and environmental enclosures. The tripods are shipped
with brackets for the attachment of enclosures, and UV-resistant cable ties for
securing cables. A guy kit is included with the CM115 and CM120 models,
and is an option for the CM110. A durable Tripod Tote Bag is also available
as an option.
FIGURE 1-1. CM110 tripod with optional guy kit and CM204 Crossarm

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2. Specifications
Height (with mast insert) Shipping Weight
CM110 10.0 ft (3m) 30 lbs (13.6 kg)
CM115 15.5 ft (4.7m) 36 lbs (16.3 kg)
CM120 21.0 ft (6.4m) 42 lbs (19.0 kg)
Vertical Load Limit: 100 lb (45 kg)
Mast: 66” long (167.6 cm), 78” (198.1 cm) with insert, 1.9” (48.2mm) OD
Base Diameter with legs extended: 10 ft (3m)
Wind Load recommendations:
CM110 *CM110 *CM115 *CM120
Unguyed Guyed at feet Guyed at 60° Guyed at 60°
Sustained Wind (mph / m/sec) 75 / 33 80 / 35 75 / 33 65 / 29
Gust Tolerance (mph / m/sec) 95 / 42 100 / 44 95 / 42 85 / 37
**Wind Speed Reduction Factor
(WSRF) when guyed at tripod feet .75 .65
* Guy wire anchors must be able to hold at least 400 lbf (182 kgf)
** For example, Sustained Wind for a CM120 guyed at the feet is: 65 mph * .65 (WSRF) = 42 mph
60º
60º
FIGURE 2-1. 60-Degree Guy Angle
Anchors must hold at least
400 lbf in both x, y axis

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3. Tools List (for tripod, mast and crossarm)
1/2” and 7/16” open end wrenches
adjustable wrench
socket wrench with 1/2”and 7/16” deep sockets (optional)
Phillips head screw driver (medium)
Straight bit screwdriver (large)
12” torpedo level
side-cut pliers
pencil
tape measure
compass and site declination angle
shovel
sledge hammer (for driving ground rod and stakes)
step ladder
4. Tripod Components
Figure 4-1 shows the tripod components packaged for shipment. The tripod
base is packaged with the mast, ground rod, lightning rod and (6) stakes. The
ground rod clamp, lightning rod, and grounding wires are enclosed in a bag.
The guy kit (optional for the CM110), and tripod tote bag (optional) are
packaged separately. The CM115 and CM120 tripods include additional mast
sections. A diagram showing how to stow the components inside the tote bag
is shown in Appendix A.
FIGURE 4-1. Tripod Components

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5. Tripod Installation
5.1 Tripod Base
Tripod installation near power lines is dangerous. The
minimum safe recommended distance from overhead
power lines is 2 times the height of the tripod and mast
combined. Call Blue Stakes to locate buried utilities
prior to installation.
All three models of tripods use the same tripod base. Each leg is adjustable,
which allows the tripod to be adjusted for non-level terrain.
Prepare the area where the tripod will be installed. The tripod requires an area
approximately 10 feet in diameter. Natural vegetation and the ground surface
should be disturbed as little as possible, but brush and tall weeds should be
removed.
Stand the tripod base up on end, and rotate the feet perpendicular to the legs.
Each leg has a slide collar with a black plastic T-bolt, and a spring loaded pin
that locks in holes located on the underside of the leg as shown in Figure 5-1.
Loosen the T-bolts and extend each leg until the pin engages in the center hole
(depress the tab to disengage the pin from a hole). With the legs extended,
orient the tripod so that the open channel of the tripod base faces North.
FIGURE 5-1. Tripod Leg, Slide Collar Components
WARNING

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5.2 Mast
The CM110, CM115, and CM120 have one, two, or three mast sections
respectively. The bottom mast section has two hanger brackets for attaching an
instrument enclosure.
The top of each mast section has an insert that needs to be extended above the
mast. Remove the bolt and extend the insert 12 inches as shown in Figure 5-2.
Align the holes in the insert and mast, and replace the bolt.
FIGURE 5-2. Tripod Mast and Insert
The tripod base has three sets of slanted holes for attaching the mast; typically
the upper set is used. The mast is attached to the base with a pin, and secured
in the upright position with a locking bracket. Both the pin and the locking
bracket are attached to the base with lanyards.
To attach the lower mast section, hold the mast upright (with the enclosure
hangar brackets facing North) and align the hole in the bottom of the mast with
the slanted holes in the tripod base. Insert the pin through the holes, and rotate
the wire retainer over the end of the pin as shown in Figure 5-3A. The pin
should be in the bottom of the slanted hole when the mast is upright. Lift the
mast up so that the pin is in the upper end of the slanted hole (Figure 5-3B) to
allow the mast to be tilted down to a horizontal position.

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FIGURE 5-3. Mast Attachment to Tripod Base

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Additional mast sections are installed with the bottom section tilted down in
the horizontal position. Attach additional sections by sliding the bottom of a
mast section over the insert of a lower section, aligning the holes and installing
the 5/16” bolt.
Secure the mast in the upright position by installing the locking bracket. Insert
the top of the bracket into the notches in the tripod base, and using both
thumbs, press the bracket into the body of the base until the lower tabs lock
into position. Install the pin as shown in Figure 5-4. To remove the bracket,
remove the pin and squeeze the lower part of the bracket to disengage the tabs,
then rotate the bracket out and up.
Plumb the tripod by adjusting the northeast and south facing legs. With a level
on the East side of the mast, adjust the Northeast leg for plumb. With the level
on the South side of the mast, adjust the South leg for plumb. Tighten all three
black T-bolts after the legs have been adjusted.

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FIGURE 5-4. Mast Lock Bracket

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5.3 Installing the Guy Kit
The CM115 and CM120 tripods include a guy kit; the guy kit is an option for
the CM110. With the mast tilted down in the horizontal position, slide the guy
ring over the mast insert as shown in Figure 5-5. Return the mast to the upright
position and install the locking bracket.
On the end of each guy line is a case consisting of a hook, clamp, and lever
arm. Rotate the lever arm to the “open” position, and attach the hook to the
lower guy bracket on the tripod foot as shown in Figure 5-6. Loosen the
phillips screw, and remove the slack in the guy line by feeding the load end of
the guy wire through the wedge while pulling up on the dead end (Figure 5-7).
After the slack has been removed from the guy lines, tighten the phillips screws
and rotate the lever arms to “closed” position to tension the guy lines.
PN 18031 guy anchors can be staked to the ground to provide anchor points for
a 60-degree guy angle as shown in Figure 2-1. Locate the anchors on an 8.6-
foot radius for the CM115, or an 11.6-foot radius for the CM120, and drive
four stakes (PN 17049) through each anchor. Specifications for sustained wind
speed and gust tolerance are given based on guy angle, and the ability of the
anchors to hold at least 400 lbf.
Once the guy lines have been adjusted the lever arms can be “opened” and the
guy hooks removed to allow the mast to be lowered to the horizontal position.
FIGURE 5-5. Upper Guy Ring

Tripod Installation Manual Models CM110, CM115, CM120
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FIGURE 5-6. Guy Hook and Lever Arm

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FIGURE 5-7. Mechanical Drawing of Guy Hook and Case
5.4 Staking the Tripod Feet
Six stakes are provided for securing the tripod feet to the ground. Drive two
stakes through holes in each foot at an angle as shown in Figure 5-8.
Stakes may not be adequate depending on soil structure, maximum wind
speeds experienced at the site, mast height, or wind load from the
instrumentation. For questionable situations, concrete footings for the tripod
feet and guy anchors should be considered.
FIGURE 5-8. Staking the Tripod Feet
dead end
load end
lever
hook
Phillips screw

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5.5 Tripod Grounding
Drive the ground rod close to the center of the tripod using a sledge hammer or
fence post driver. Strip 1/2” inch of insulation from both ends of the black
4 AWG ground wire. Insert one end of the ground wire between the clamp and
ground rod and tighten the bolt on the clamp. Attach the other end of the
ground wire to the lug on the tripod base as shown in Figure 5-9.
FIGURE 5-9. Ground Rod and Clamp
Strip1/2” inch of insulation from one end of the green 8 AWG and 12 AWG
ground wires. Attach the lightning rod and green 8 AWG wire to the lightning
rod bracket as shown in Figure 5-10. Attach the lightning rod bracket to the
top of the mast insert (if the tripod has a guy kit, install the guy ring before
attaching the lightning rod).
Route the 8 AWG wire down the mast to the ground lug on the tripod base.
Cut the wire to length, allowing for at least a 12” service loop. Attach the
8 AWG wire, and one end of the 12 AWG wire to the ground lug (the other end
of the 12 AWG wire will attach to the enclosure).

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FIGURE 5-10. Lightning Rod and Tripod Grounding Lug

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5.6 Crossarm Attachment
Attach the CM202 (2 ft, 0.6m), CM204 (4 ft, 1.2m), or CM206 (6 ft, 1.8m)
crossarm to the tripod mast as shown in Figure 5-11. For wind sensors, the
crossarm should be approximately 103 inches above the ground for a 3m
mounting height, or 64 inches for a 2m mounting height. Typically the
crossarm is oriented East/West for wind sensors, North/South for
pyranometers.
FIGURE 5-11. CM204 Crossarm
5.7 Enclosure Attachment
The ENC 10/12, ENC 12/14, and ENC 16/18 enclosures can be ordered with
mounting brackets for the CM1XX tripods. The ENC 10/12 and ENC 12/14
enclosures can be mounted to the tripod base (over relatively level terrain,
where the angle between the legs and the base is not too small). All three
models can be mounted to the mast.
Hangar brackets on the tripod mast are spaced for the ENC 10/12 and
ENC 12/14 enclosures. To mount an ENC 16/18 enclosure, the distance from
the top of the lower bracket to the bottom of the upper bracket will need to be
adjusted to 15.5 in (39.4 cm).
The enclosure mounting brackets have slots that fit over the hangar brackets as
shown in Figures 5-12 and 5-13. Holding the enclosure with the top angled
towards the tripod, slide the slots of the upper bracket over the hangar bracket,
followed by the lower bracket. To secure the enclosure, the lower bracket has
a slide lock that engages when it is pushed towards the mast (Figure 5-14). To
disengage the slide lock, depress the release button located on the underside of
the lock while pushing it away from the mast.

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FIGURE 5-12. ENC 12/14 Enclosure Attached to the Tripod Base

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FIGURE 5-13. ENC 12/14 Enclosure Attached to the Mast