Campbell CM106BE User Manual

CM106BE

Tripod

Issued: 24.4.17

Copyright © 2005-20

17 Campbell Scientific, Inc.

Printed under licence by Campbell Scientific Ltd.

CSL 1063

USER MANUAL

Guarantee

This equipment is guaranteed against defects in materials and workmanship.
We will repair or replace products which prove to be defective during the
guarantee period as detailed on your invoice, provided they are returned to us
prepaid. The guarantee will not apply to:



Equipment which has been modified or altered in any way without the
written permission of Campbell Scientific



Batteries



Any product which has been subjected to misuse, neglect, acts of God or
damage in transit.

Campbell Scientific will return guaranteed equipment by surface carrier
prepaid. Campbell Scientific will not reimburse the claimant for costs incurred

in removing and/or reinstalling equipment. This guarantee and the Company’s

obligation thereunder is in lieu of all other guarantees, expressed or implied,
including those of suitability and fitness for a particular purpose. Campbell
Scientific is not liable for consequential damage.

Please inform us before returning equipment and obtain a Repair Reference
Number whether the repair is under guarantee or not. Please state the faults as
clearly as possible, and if the product is out of the guarantee period it should
be accompanied by a purchase order. Quotations for repairs can be given on
request. It is the policy of Campbell Scientific to protect the health of its
employees and provide a safe working environment, in support of this policy a

“Declaration of Hazardous Material and Decontamination” form will be

issued for completion.

When returning equipment, the Repair Reference Number must be clearly
marked on the outside of the package. Complete the “Declaration of
Hazardous Material and Decontamination” form and ensure a completed copy
is returned with your goods. Please note your Repair may not be processed if
you do not include a copy of this form and Campbell Scientific Ltd reserves
the right to return goods at the customers’ expense.

Note that goods sent air freight are subject to Customs clearance fees which
Campbell Scientific will charge to customers. In many cases, these charges are
greater than the cost of the repair.

Campbell Scientific Ltd,

80 Hathern Road,

Shepshed, Loughborough, LE12 9GX, UK

Tel: [phone]

Fax: [phone]

Email: [e-mail]

www.campbellsci.co.uk

PLEASE READ FIRST

About this manual

Please note that this manual was originally produced by Campbell Scientific Inc. primarily for the North
American market. Some spellings, weights and measures may reflect this origin.

Some useful conversion factors:

Area: 1 in2 (square inch) = 645 mm2

Length: 1 in. (inch) = 25.4 mm

1 ft (foot) = 304.8 mm
1 yard = 0.914 m
1 mile = 1.609 km

Mass: 1 oz. (ounce) = 28.35 g

1 lb (pound weight) = 0.454 kg

Pressure: 1 psi (lb/in2) = 68.95 mb

Volume: 1 UK pint = 568.3 ml

1 UK gallon = 4.546 litres
1 US gallon = 3.785 litres

In addition, while most of the information in the manual is correct for all countries, certain information
is specific to the North American market and so may not be applicable to European users.

Differences include the U.S standard external power supply details where some information (for
example the AC transformer input voltage) will not be applicable for British/European use. Please note,

however, that when a power supply adapter is ordered it will be suitable for use in your country.

Reference to some radio transmitters, digital cell phones and aerials may also not be applicable
according to your locality.

Some brackets, shields and enclosure options, including wiring, are not sold as standard items in the
European market; in some cases alternatives are offered. Details of the alternatives will be covered in
separate manuals.

Part numbers prefixed with a “#” symbol are special order parts for use with non-EU variants or for
special installations. Please quote the full part number with the # when ordering.

Recycling information

At the end of this product’s life it should not be put in commercial or domestic refuse but
sent for recycling. Any batteries contained within the product or used during the
products life should be removed from the product and also be sent to an appropriate
recycling facility.

Campbell Scientific Ltd can advise on the recycling of the equipment and in some cases
arrange collection and the correct disposal of it, although charges may apply for some
items or territories.

For further advice or support, please contact Campbell Scientific Ltd, or your local agent.

Campbell Scientific Ltd, 80 Hathern Road, Shepshed, Loughborough, LE12 9GX, UK

Tel: [phone] Fax: [phone]

Email: [e-mail]

www.campbellsci.co.uk

Precautions

DANGER — MANY HAZARDS ARE ASSOCIATED WITH INSTALLING, USING, MAINTAIN ING, AND WORKING ON
OR AROUND TRIPODS, TOWERS, AND ANY ATTACHMENTS T O TRIP ODS AND T OWERS SUCH AS SENSORS,
CROSSARMS, ENCLOSURES, ANTENNAS, ETC. FAILURE TO PROPERLY AND COM P LE TE LY AS S E MB LE ,
INSTALL, OPERATE, USE, AND MAINTAIN TRIPODS, TOWERS, AND ATTACHMENTS, AND F AI LURE TO HEED
WARNINGS, INCREASES THE RISK OF DEATH, ACCIDENT, SERIOUS INJURY, PROPERTY DAMAGE, AND
PRODUCT FAILURE. TAKE ALL REASONABLE PRECAUTIONS TO AVOID THESE HAZARDS. CHECK WITH YOUR
ORGANIZATION'S SAFETY COORDINATOR (OR POLICY) FOR PROCE DURES AND REQUIRED PROTECTIVE
EQUIPMENT PRIOR TO PERFORMING ANY WORK.

Use tripods, towers, and attachments to tripods and towers only for purposes for which they are designed. Do not
exceed design limits. Be familiar and comply with all instructions provided in product manuals. Manuals are
available at www.campbellsci.eu or by telephoning [phone] (UK). You are responsible for conformance
with govern i ng codes and regulations, including safety regulations, and the integrity and location of str uctures or l and
to which towers, tripods, and any attachments are attached. Installation sites should be evaluated and approved by a
qualified engineer. If questions or concerns arise regarding installation, use, or maintenance of tripods, towers,
attachments, or electrical connections, consult with a licensed and qualified engineer or electrician.

General

• Prior to performing site or installation work, obtain required approvals and permits. Comply with all
governing structure-height regulations, such as those of the FAA in the USA.

• Use only qualified personnel for installation, use, and maintenance of tripods and towers, and any
attachments to tripods and towers. The use of licensed and qualified contractors is highly recommended.

• Read all applicable instructions carefully and understand procedures thoroughly before beginning work.

• Wear a hardhat and eye protection, and take other appropriate safety precautions while working on or

around tripods and towers.

• Do not climb tripods or towers at any time, and prohibit climbing by other persons. Take reasonable
precautions to secure tripod and tower sites from trespassers.

• Use only manufacturer recommended parts, materials, and tools.

Utility and Electrical

• You can be killed or sustain serious bodily injury if the tripod, tower, or attachments you are installing,
constructing, using, or maintaining, or a tool, stake, or anchor, come in contact with overhead o

r

u

nderground utility lines.

• Maintain a distance of at least one-and-one-half times structure height, or 20 feet, or the distance
r

equired by applicable law, whichever is greater, between overhead utility lines and the structure (tripod,

tower, attachments, or tools).

• Prior to performing site or installation work, inform all utility companies and have all underground utilities
marked.

• Comply with all electrical codes. Electrical equipment and related grounding devices should be installed
by a licensed and qualified electrician.

Elevated Work and Weather

• Exercise extreme caution when performing elevated work.

• Use appropriate equipment and safety practices.

• During installation and maintenance, keep tower and tripod sites clear of un-trained or non-essential

personnel. Take precautions to prevent elevated tools and objects from dropping.

• Do not perform any work in inclement weather, including wind, rain, snow, lightning, etc.

Maintenance

• Periodically (at least yearly) check for wear and damage, including corrosion, stress cracks, frayed cables,
loose cable clamps, cable tightness, etc. and take necessary corrective actions.

• Periodically (at least yearly) check electrical ground connections.

WHILE EVERY ATTEMPT IS MADE TO EMBODY THE HIGHEST DEGREE OF SAFETY IN ALL CAMPBELL
SCIENTIFIC PRODUCTS, THE CUSTOMER ASSUMES ALL RISK FROM ANY INJURY RESULTING FROM IMPROPER
INSTALLATION, USE, OR MAINTENANCE OF TRIPODS, TOWERS, OR ATTACHMENTS TO TRIPODS AND TOWERS
SUCH AS SENSORS, CROSSARMS, ENCLOSURES, ANTENNAS, ETC.

i

Contents

PDF viewers: These page numbers refer to the printed version of this document. Use the
PDF reader bookmarks tab for links to specific sections.

1. Introduction ................................................................ 1

2. Cautionary Statements .............................................. 1

3. Initial Inspection ........................................................ 2

3.1 Inspect Packaging ................................................................................ 2

3.2 Tripod Components.............................................................................. 2

3.3 Tools List (for tripod, mast, enclosures, and crossarms) ...................... 4

4. Overview ..................................................................... 4

5. Specifications ............................................................ 5

6. Installation .................................................................. 6

6.1 Tripod Installation ................................................................................ 6

6.1.1 Tripod Base ................................................................................... 6

6.1.1.1 Mounting on a Relatively Flat Area ................................... 7

6.1.1.2 Mounting on an Incline ...................................................... 7

6.1.2 Mast .............................................................................................. 8

6.1.3 Installing the Optional Guy Kit ................................................... 10

6.1.4 Staking the Tripod Feet ............................................................... 12

6.1.5 Tripod Grounding ....................................................................... 13

6.1.6 Crossarm Attachment.................................................................. 15

6.1.7 Enclosure Attachment ................................................................. 15

6.1.7.1 Enclosure Mounting to Tripod Mast ................................ 15

6.1.7.2 Enclosure Mounting to Tripod Leg .................................. 16

6.2 Mounting Brackets ............................................................................. 18

6.2.1 CM210 Crossarm Mounting Kit ................................................. 18

6.2.2 CM216 Mast Mounting Kit - 009902 ......................................... 19

6.2.3 CM220E Right Angle Mounting Kit .......................................... 20

6.2.4 Crossarm Brace Kit ..................................................................... 21

6.2.5 CM225E and 010716 Pyranometer Mounting Stand .................. 21

6.2.6 CM230 Adjustable Angle Mounting Kit..................................... 24

6.2.7 CM235 Magnetic Mounting Stand ............................................. 26

6.2.8 Radiation Shields for temperature and humidity probes ............. 27

ii

Appendix

A. CM106B Allowable Wind Speeds .......................... A-1

Figures

1-1. Typical tripod-based weather station ................................................... 1

3-1. Tripod components .............................................................................. 3

4-1. CM106BE tripod with lightning rod and guy wires ............................. 4

6-1. Tripod leg, leg clamp components ....................................................... 6

6-2. Comparison of one leg pointing downhill (right) versus two legs

pointing downhill.............................................................................. 7

6-3. Tripod mast and insert ......................................................................... 8

6-4. Mast attachment to tripod base ............................................................ 9

6-5. Guy collar .......................................................................................... 10

6-6. Leg attachment ................................................................................... 11

6-7. Staking the tripod feet ........................................................................ 12

6-8. Ground rod and clamp ....................................................................... 13

6-9. Lightning rod ..................................................................................... 14

6-10. CM204E Crossarm............................................................................. 15

6-11. Enclosure with the –MM bracket ....................................................... 16

6-12. Enclosure with the –LM bracket ........................................................ 17

6-13. CM210E Crossarm Mounting Kit (shown with user-supplied pipe) .. 18

6-14. CM216 Mast Mounting Kit................................................................ 19

6-15. CM220E Right Angle Mounting Kit.................................................. 20

6-16. CMB200 Crossarm Brace Kit ............................................................ 24

6-17. CMB200 components ........................................................................ 24

6-18. Bracket selection ................................................................................ 24

6-19. CM225E Pyranometer Mounting ....................................................... 24

6-20. CM230 Adjustable Angle Mounting Kit ............................................ 25

6-21. CM235 Magnetic Mounting Stand..................................................... 26

6-22. R.M. Young Radiation Shield ............................................................ 27

1

CM106BE Tripod

1. Introduction

The CM106BE is a general purpose tripod that can be used for mounting sensors,
solar panels, antennas, and instrument enclosures. Figure 1-1 shows the
CM106BE being used in a typical weather station configuration.

Figure 1-1. Typical tripod-based weather station

2. Cautionary Statements

 READ AND UNDERSTAND the Precautions section at the front of this

manual.

 WARNING — Ensure structural integrity during setup and weather extremes

to minimize the chance of damaging the tripod or instruments. Read all

instructions carefully. Once the tripod is in full vertical position, securely

fasten it to the ground using ground spikes.

CS300 Pyranometer
Base & Levelling Fixture, CM225 Solar
Sensor Mounting Stand

CM106BE Tripod

2

 WARNING — For installations where soil structure is questionable or the

tripod may experience high wind loads, concrete footings for the tripod feet
and guy anchors should be considered.

3. Initial Inspection

3.1 Inspect Packaging

Upon receiving the CM106BE, inspect the packaging and contents for damage.
Claims for shipping damage must be filed with the shipping company.

Locate the packing slip for the order and compare the items listed on the packing
slip to the items that were actually shipped. Report any discrepancies to Campbell
Scientific.

3.2 Tripod Components

Figure 3-1 shows the tripod components. The tripod base is packaged with the
mast, mast extension, ground rod, lightning rod, and (3) stakes. The ground rod
clamp, lightning rod, lightning rod clamp, cable ties, and ground wires are
enclosed in a bag. The optional guy kit is packaged separately.

User Manual

3

Figure 3-1. Tripod components

(20) Cable Ties

(3) Stakes

Ground Wires

Ground Rod

and Clamp

Base

Mast

Lightning Rod

and Clamp

Mast Extension

CM106BE Tripod

4

3.3 Tools List (for tripod, mast, enclosures, and crossarms)

13 mm and 10 mm open end wrenches
Adjustable wrench
Phillips head screw drivers (medium, small)
Straight bit screwdrivers (large, medium)
300 mm 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. Overview

The CM106BE (Figure 4-1) is constructed from galvanized steel, with
individually adjustable legs that allow installation over uneven terrain.

The CM106BE includes lightning and ground rods, ground cables, UV resistant
cable ties, and stakes for securing the tripod feet to the ground. An optional guy
kit is recommended for sites that experience high wind speeds (see Section 5,
Specifications). Instrument enclosures can be purchased with mounting brackets
that attach to either the mast or leg section as shown in Section 6.1.7, Enclosure
Attachment.

The CM106BE can be used for a variety of applications. For meteorological
stations, sensors are mounted to the tripod using mounting brackets appropriate for
the model of sensor. For non-meteorological applications, the tripod can be used
to mount instrument enclosures, solar panels, junction boxes, or antennas.

Figure 4-1. CM106BE tripod with lightning rod and guy wires

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5

5. Specifications

Mast Height
Upper Mast Retracted: 2.1 m to 2.8 m
Upper Mast Extended: 3 m to 3.7 m

Vertical Load Limit: 200 kg

Mast Outer Diameter
Main Lower Mast: 48.0 mm
Retractable Upper: 42.50 mm

Base Diameter: 2.7 m to 3.5 m

Levelling Adjustment: Slide collars on each leg, adjust individually

Leg Base: 118 mm by 140 mm with four 16 mm holes for

stakes

Portability: Collapsible to 200 mm diameter by 1850 mm

length

Weight with Mast: 24.5 kg

Maximum Slope Angle: 45°

Allowable Wind Speeds*

Tripod Configuration

Sustained Wind

Wind Gust

Mast Extended, Unguyed

28 m s–1 (62 mph)

36 m s–1 (81 mph)

Mast Retracted, Unguyed

36 m s–1 (80 mph)

46 m s–1 (104 mph)

Mast Extended, Guyed

45 m s–1 (102 mph)

59 m s–1 (132 mph)

Mast Retracted, Guyed

55 m s–1 (122 mph)

71 m s–1 (159 mph)

*Allowable wind speed values assume:

 Sensors - effective area = 1300 cm2 at top of mast

 Solar panel – 26.5 cm x 42 cm at mast base

 Enclosure - 35.5 cm x 40.5 cm mounted to leg

 Guy wires attached to mast at 115.5 cm above tripod body

 Adequate ground anchors (stakes alone may not resist foot vertical

pullout force)

 See Appendix A for more information on maximum allowable wind

speeds.

CM106BE Tripod

6

6. Installation

6.1 Tripod Installation

6.1.1 Tripod Base

The tripod base has three independently adjustable legs allowing the tripod to be
installed over non-level terrain.

Prepare the area where the tripod will be installed. The tripod requires an area
approximately 2.7 to 3.5 m 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 leg clamp and clamping bolt as shown in Figure 6-1.

Figure 6-1. Tripod leg, leg clamp components

Leg Clamp

Clamping Bolt

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7

6.1.1.1 Mounting on a Relatively Flat Area

Loosen the tension bolt and extend each leg. With the legs extended, orient the
tripod so that one of the legs points South (assuming the instrument enclosure with
–MM Mast Mount bracket will face North). If the instrument enclosure has the –
LM Leg Mount bracket, orient the tripod so the enclosure will mount to one of the
three leg mount positions on the tripod, facing the desired direction. The tripod is
typically plumbed after the mast has been installed, as described in Section 6.1.2,
Mast.

6.1.1.2 Mounting on an Incline

Loosen the tension bolt and extend each leg. With the legs extended, orient the
tripod so that one leg points downhill and the other two legs point uphill. The
tripod is more stable with only one leg pointed downhill because the mast is closer
to the centre of the footprint (see Figure 6-2).

The tripod is typically plumbed after the mast has been installed, as described in
Section 6.1.2, Mast.

Figure 6-2. Comparison of one leg pointing downhill (right) versus two

legs pointing downhill

Slope
angle

CM106BE Tripod

8

6.1.2 Mast

The CM106BE includes a mast extension that can be fully extended for a 3 m
height, or partially extended for a 2.1 m height. Remove the bolts in the mast,
align the holes in the mast extension with holes in the mast, and install the bolts
previously removed. Two additional holes make it possible for the extension to
extend 20.5 cm or 30.5 cm, or 51 cm, 61 cm, or 71 cm above the mast depending
on which end is inserted in the mast.

Figure 6-3. Tripod mast and insert

Mast extension
fully extended

Mast

Mast extension
retracted

User Manual

9

Figure 6-4. Mast attachment to tripod base

Loosen the six bolts on the tripod base. Figure 6-4 shows the location of four of
these bolts. The remaining bolts are in the same position on the third tripod leg.
Slide the mast into the tripod base, making sure that it extends below the lower
bolts and rests on the tabs. Tighten the six bolts to secure the mast.

If required, also loosen the 6 x preset at factory bolts.

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 the tension bolts
after the adjustments have been made.

Make sure all bolts have been tightened.

Mast

Tab

Bolts

Preset at Factory

Preset at Factory

CM106BE Tripod

10

6.1.3 Installing the Optional Guy Kit

Part 009131, CM106BE Guy Kit, can be ordered separately for areas that
experience high wind speeds (Section 5, Specifications). Install the guy brackets
to the mast as shown in Figure 6-5. Attach the three guy wires to the guy collar
and slide the collar over the mast so that the collar butts against the brackets.

Figure 6-5. Guy collar

On the end of each guy line is a case and hardware to attach to the turnbuckles.
Unscrew the turnbuckles so that only (12.5 mm of wire extends beyond the inside
of the turnbuckle body. Attach the case and turnbuckle to the tripod leg as shown
in Figure 6-6. Loosen the two clamp nuts, and remove the slack in the guy wire
by feeding the load end of the guy wire through the case while pulling up on the
free end.

After the slack has been removed from the guy wires, tighten the clamp nuts, and
then tighten the turnbuckles to the desired tension.

Guy Collar

Guy Wire

Guy Bracket

User Manual

11

Figure 6-6. Leg attachment

Clamp Nut

CM106BE Tripod

12

6.1.4 Staking the Tripod Feet

Three stakes are provided for securing the tripod feet to the ground. Drive one pin
through a hole in each foot at an angle as shown in Figure 6-7.

Pins 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, additional pins (pn 001831) or even concrete footings for
the tripod feet and guy anchors should be considered.

Figure 6-7. Staking the tripod feet

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6.1.5 Tripod Grounding

Place the clamp over the ground rod and drive the rod (close to the centre of the
tripod) using a sledge hammer or fence post driver. Strip 12.5 mm of insulation
from both ends of the green/yellow 16 mm2 ground wire. Insert one end of the
ground wire into 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 6-8. Trim length to suit.

Figure 6-8. Ground rod and clamp

Ground Lug

Ground Wire

Enclosure Ground Lug

Enclosure Ground Wire

CM106BE Tripod

14

Strip 12.5 mm of insulation from the ends of the green/yellow 6 mm2 wire. Attach
one end of the wire to the tripod ground lug, and the other end to the enclosure
ground lug as shown in Figure 6-8.

Mount the lightning rod and clamp to the tripod mast with pointed tip up, and
notch at bottom (Figure 6-9).

Figure 6-9. Lightning rod

Clamp

Lightning Rod

Mast

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15

6.1.6 Crossarm Attachment

Attach the CM202E (0.6 m), CM204E (1.2 m), or CM206E (1.8 m) crossarm to
the tripod mast as shown in Figure 6-10. For wind sensors, the crossarm should
be approximately 2.6 m above the ground for a 3 m mounting height, or 1.6 m for
a 2 m mounting height (the exact height depending on the type of sensors being
used). Typically the crossarm is oriented East/West for wind sensors, North/South
for pyranometers.

Figure 6-10. CM204E Crossarm

6.1.7 Enclosure Attachment

The ENC10/12, ENC12/14, ENC14/16, and ENC16/18 enclosures can be ordered
with mounting brackets for the CM106BE tripod. All enclosure models can be
mounted to the tripod mast (above the legs) with the –MM Mast Mount bracket
option. The –LM Leg Mount bracket option allows all enclosure models to be
mounted to the tripod base. Two enclosures with the –LM brackets can be
mounted in a “back to back” configuration.

6.1.7.1 Enclosure Mounting to Tripod Mast

An enclosure ordered with the –MM bracket has a three-piece top and bottom
brackets with a V-bolt for each bracket.

Attach an enclosure with the –MM mounting bracket to the tripod mast as follows:

Remove the V-bolts, washers, and nuts from the brackets.

Position the enclosure against the tripod’s mast (North side recommended).

Install the V-bolts, flat washers, lock washers, and nuts (Figure 6-11). Tighten the
nuts until the lock washers are compressed.

CM200 Series
Crossarm

Tripod Mast

CM106BE Tripod

16

Route the 6 mm2 wire from the ground lug on the bottom side of the enclosure to
the ground lug on the base of the tripod (Figure 6-8). Strip 12.5 mm of insulation
from each end of the wire. Insert wire ends into the ground lugs and tighten.

Figure 6-11. Enclosure with the –MM bracket

6.1.7.2 Enclosure Mounting to Tripod Leg

An enclosure ordered with the –LM bracket has a bracket on each side of the
enclosure, and a V-bolt bracket for securing the enclosure to a tripod leg.

Attach an enclosure with the –LM mounting bracket to the tripod base as follows:

Slide the keyhole notch in upper corner of the –LM bracket over the extended
hook located on the tripod base as shown in Figure 6-12, and engage the notch in
the lower corner of the –LM bracket with the enclosure tab. There are six places
on the tripod base with provisions for mounting enclosures with the –LM brackets.

Remove the washers, nuts, and V-bolt from the V-bolt bracket. Install the bracket
as shown in Figure 6-12 (top). Tighten the nuts on the V-bolt until the lock
washers are compressed.

Route the 6 mm2 wire from the ground lug on the bottom side of the enclosure to
the ground lug on the base of the tripod (Figure 6-8). Strip 12.5 mm of insulation
from each end of the wire. Insert wire ends into the ground lugs and tighten.

V-Bolt

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17

Figure 6-12. Enclosure with the –LM bracket

Washers

V-Bolt

V-Bolt Bracket

CM106BE Tripod

18

6.2 Mounting Brackets

Mounting brackets covered in this section have V-bolts that attach to vertical
and/or horizontal pipes with the following ranges of outside diameters:

V-bolt Description

OD Range

46 mm

25 to 38 mm

62 mm

33 to 54 mm

62 mm w/plastic V-block

25 to 54 mm

6.2.1 CM210 Crossarm Mounting Kit

CM200E series crossarms include a CM210E bracket as shown in Figure 6-13.
The CM210E can be ordered separately to attach a user-supplied pipe (25 mm to
38 mm OD) to a mast or tower leg (25 mm to 54 mm OD), or to attach a crossarm
to two tower legs.

Figure 6-13. CM210E Crossarm Mounting Kit (shown with user-supplied

pipe)

CM210E

User Manual

19

6.2.2 CM216 Mast Mounting Kit - 009902

The CM216 attaches to the top of the mast, and provides a 19 mm or 25.4 mm
mounting pipe that extends 100 mm above the mast, as shown in Figure 6-14.

Figure 6-14. CM216 Mast Mounting Kit

CM216

CM106BE Tripod

20

6.2.3 CM220E Right Angle Mounting Kit

The CM220E attaches a vertical pipe (25.4 mm to 38 mm OD) to the CM200E­series crossarms or horizontal pipe (25.4 mm to 38 mm OD) as shown in Figure
6-15.

Figure 6-15. CM220E Right Angle Mounting Kit

CM220E

CM220E

User Manual

21

6.2.4 CMB200 Crossarm Brace Kit

6.2.4.1 Overview

The CMB200 Crossarm Brace Kit (Figure 6-16) is designed to provide additional
stability to crossarms mounted on Campbell Scientific tripods and towers. It
provides additional support for crossarms with heavier sensor loads, and added
stability in high winds.

Figure 6-16. CMB200 Crossarm Brace Kit

6.2.4.2 Components

The CMB200 ships with the following components (Figure 6-17):

 (1) Brace Arm

 (2) Small bracket

 (2) Medium bracket

 (2) Large bracket

 (4) 1/4-20 x 1-inch bolt

 (8) 1/4 flat washer

 (4) 1/4 lock washer

 (4) 1/4-20 nut

Short Tab

Long Tab

CM106BE Tripod

22

Figure 6-17. CMB200 components

6.2.4.3 Assembly

1. Consult Figure 6-18 and Table 6-1 to determine which brackets are needed at

either end of the brace to attach it to the crossarm and tripod mast or tower.
The figure also indicates what orientation is needed when the small bracket is
used.

Each bracket has a long tab and short tab where the bolts are
attached. The brace arm must be attached to the end with the
long tab.

2. Attach one end of the brace arm to the tripod mast or tower below the

crossarm. Leave the bolts finger-tight.

3. Lift the free end of the brace arm to the crossarm and attach it to the crossarm.

Again, only finger-tighten the bolts.

4. Adjust the position of the brace arm as needed.

5. Fully tighten the two bolts directly connected to the brace arm, and then

tighten the remaining two bolts to clamp the brace arm to the crossarm and
tower or tripod mast.

NOTE

User Manual

23

Figure 6-18. Bracket selection

Table 6-1. Bracket Requirements

Mast/Crossarm/

Tower Diameter

Example

Mast/Crossarm/Tower

Brackets Needed

Small Bracket

Orientation

Ø2.54 cm (1.00 in)

ATW3, UT930

Tower Leg

(1) Small Bracket

(1) Medium Bracket

Angled toward

mast/tripod

Ø3.17 cm (1.25 in) or

Ø3.32 cm (1.31 in)

CM202/3/4/6 Crossarm,

(1) Small Bracket

(1) Medium Bracket

Angled away from

mast/tripod

Ø4.82 cm (1.90 in)

CM110/106BE Tripod

(2) Large Bracket

N/A

Attaching to Ø2.54 cm (1.00 in) Members

Attaching to Ø3.17 cm (1.25 in) or Ø3.32 cm (1.31 in) Members

Attaching to Ø4.82 cm (1.90 in) Members

CM106BE Tripod

24

6.2.5 CM225E Pyranometer Mount

The CM225E is used to attach a pyranometer or quantum sensor to a horizontal or
vertical pipe (25.4 mm to 54 mm OD).

The LI200X pyranometer and LI190SB quantum sensor mount to the CM225E via
the LI200S levelling base (see Figure 6-19). The CS300 pyranometer mounts to
the CM225E via the 010355 levelling base. The CMP3 and LP02 pyranometers
include their own bubble level and levelling screws allowing them to mount
directly to the CM225E.

Figure 6-19. CM225E Pyranometer Mounting

6.2.6 CM230 Adjustable Angle Mounting Kit

The CM230 mounts an antenna (25.4 mm to 38 mm OD) to a mast or vertical pipe
(33 mm to 54 mm OD) as shown in Figure 6-20. The bracket allows the antenna
to be adjusted for different angles.

CM225E

CM225E

LI2003S

LI200X Pyranometer

(The CS300 mounts in a
similar way.)

User Manual

25

Figure 6-20. CM230 Adjustable Angle Mounting Kit

CM230

CM106BE Tripod

26

6.2.7 CM235 Magnetic Mounting Stand

The CM235 provides an 89 mm square platform for mounting magnetic base
antennas. The CM235 attaches to horizontal or vertical pipes (25.4 mm to
54 mm OD) as shown in Figure 6-21.

Figure 6-21. CM235 Magnetic Mounting Stand

User Manual

27

6.2.8 Radiation Shields for temperature and humidity probes

These Radiation Shields are used to house and attach temperature and relative
humidity sensors to the tripod mast (25.4 mm to 54 mm OD) or crossarm as
shown in Figure 6-22. Radiation shields ship with the V-bolt configured for
attachment to a vertical pipe. To attach the radiation shield to a horizontal pipe,
the V-bolt and plastic V-block must be moved to the other set of holes.

Various brands of shields are available from Campbell Scientific, including R M
Young and Met Spec. They are mounted in a similar way.

Figure 6-22. R.M. Young Radiation Shield

A-1

Appendix A. CM106BE Allowable Wind
Speeds

CM106B load ratings assume:

 Sensors - effective area = 0.13m2 at top of mast

 Solar panel – 26.5 cm x 42 cm at mast base

 Enclosure – 35.5 cm x 40.5 mounted to leg

 Guy wires attached to mast at 115.5 cm above tripod body

 Adequate ground anchors (stakes alone may not resist foot vertical

pullout force)

Tripod
Footprint
Dia.

Mast
Height

Mast
Configura­tion

Guy
Anchors

Max.
Allowable
Gust
Wind
Speed

Max.
Allowable
Equipment
Weight

Foot
Vertical
Pullout
Force at
Gust
Speed

Guy­Wire
Tension
at Gust
Speed

Ideal Guy­Wire
Installation
Pre­Tension

ft m ft m mph

m/s

lb

kg

lb

kN

lb

kN

lb

kN

11.5

3.5 7 2.1

Retracted

Unguyed

104

46

964

438

70

0.31 - - - -

Attached to
legs @ feet,
45deg
Zenith

159

71

639

289

163

0.73

300

1.3

150

0.67

Independent
anchors @
45deg
Zenith

159

71

639

289

56

0.25

300

1.3

150

0.67

8.7

2.7

9.3

2.8

Retracted

Unguyed

104

46

964

438

160

0.71 - - - -

Attached to
legs @ feet

159

71

438

198

352

1.57

400

1.8

200

0.89

Independent
anchors @
45deg
Zenith

159

71

639

289

155

0.69

300

1.3

150

0.67

11.5

3.5

10

3.0

Extended

Unguyed

81

36

964

438

59

0.26 - - - -

Attached to
legs @ feet,
45deg
Zenith

132

59

544

246

157

0.70

400

1.8

200

0.89

Independent
anchors @
45deg
Zenith

132

59

544

246

17

0.08

400

1.8

200

0.89

Appendix A. CM106BE Allowable Wind Speeds

A-2

Tripod
Footprint
Dia.

Mast
Height

Mast
Configura­tion

Guy
Anchors

Max.
Allowable
Gust
Wind
Speed

Max.
Allowable
Equipment
Weight

Foot
Vertical
Pullout
Force at
Gust
Speed

Guy­Wire
Tension
at Gust
Speed

Ideal Guy­Wire
Installation
Pre­Tension

ft m ft m mph

m/s

lb

kg

lb

kN

lb

kN

lb

kN

8.7

2.7

12.3

3.7

Extended

Unguyed

81

36

964

438

121

0.54 - - - -

Attached to
legs @ feet

116

52

438

198

248

1.10

400

1.8

200

0.89

Independent
anchors @
45deg
Zenith

132

59

544

246

69

0.31

400

1.8

200

0.89

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