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Section 2. CM6/CM10 Tripod
Installation

The CM6 and CM10 tripods provide a support structure for mounting weather
station components. Figure 2-1 shows a typical guyed CM10 tripod weather
station equipped with instrumentation enclosure, meteorological sensors, and
solar panel.

FIGURE 2-1. CM10 Weather Station

2-1

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Summary of Contents for CM10

Page 1: ...CM6 CM10 Tripod Weather Station Installation Manual Revision 7 10 C o p y r i g h t 1 9 9 3 2 0 1 0 C a m p b e l l S c i e n t i f i c I n c...

Page 2: ...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...

Page 3: ...2 2 2 Tripod Parts 2 3 2 3 Tripod Installation 2 3 2 4 Tripod Grounding 2 5 2 5 CM10 Guy Kit Installation 2 7 2 6 Sensor Mounting Brackets 2 10 2 6 1 Crossarm Mounting 2 10 2 6 1 1 CM202 CM204 CM206 C...

Page 4: ...emperature and RH Probe 4 6 4 8 HMP45C HMP35C Vaisala Temperature and RH Probe 4 8 4 9 CS100 or CS106 Barometric Pressure Sensor 4 9 4 10 Texas Electronics Tipping Bucket Rain Gages TE525 TE525WS TE52...

Page 5: ...CR1000 and PS100 Mounted to an Enclosure Backplate 3 5 3 1 5 SP10 Solar Panel 3 5 3 2 1 Routing and Wiring Sensor Leads to the Datalogger 3 6 3 3 1 The NL115 connects to the CR1000 s peripheral port...

Page 6: ...1 CS210 Installed on a CR1000 4 17 4 17 1 Magnetic Declination for the Contiguous United States 4 18 4 17 2 Declination Angles East of True North are Subtracted from 0 to get True North 4 19 4 17 3 D...

Page 7: ...s device and power supply in enclosure Section 3 Install datalogger support software on PC Section 5 Establish communications between the datalogger and the PC Section 5 Program datalogger test sensor...

Page 8: ...Lock and key for enclosure Magnetic declination angle Section 4 19 Magnetic compass Straight bit screwdrivers small medium large Phillips head screwdrivers small medium Small diagonal side cuts Needl...

Page 9: ...uildings and trees The weather station should not be located where sprinkler irrigation water will strike sensors or instrument enclosure Some general guidelines for site selection are listed below wh...

Page 10: ...sed by the National Weather Service are recommended for open areas Collectors should be heated if necessary to properly measure frozen precipitation The gage must be mounted above the average level of...

Page 11: ...riangle Park North Carolina 27711 2 WMO 1983 Guide to Meteorological Instruments and Methods of Observation World Meteorological Organization No 8 5th edition Geneva Switzerland 3 The State Climatolog...

Page 12: ...Section 1 Preparation and Siting 1 6...

Page 13: ...0 tripods provide a support structure for mounting weather station components Figure 2 1 shows a typical guyed CM10 tripod weather station equipped with instrumentation enclosure meteorological sensor...

Page 14: ...ull leg extension 7 2 ft 2 2 m Wind Load Wind Sensors at 3 meters No Guy Wires Maximum 70 mph Gust survival 100 mph With Guy Wires Maximum 120 mph Gust survival 150 mph Tripod Leg Diameter See Table 2...

Page 15: ...G Wire 3 Hold Down Stakes 12 Cable Ties 2 3 Tripod Installation CM6 and CM10 tripods are designed to allow installation in many types of terrain The following installation instructions however assume...

Page 16: ...he other legs in the same manner 6 Plumb the mast by adjusting the south and northeast facing legs Loosen the slide collar bolt on the south facing leg With the level on the south side of the mast adj...

Page 17: ...down the rod before driving it in the ground This will eliminate the frustration of trying to get the clamp to fit over a hammer damaged rod end Drive the rod at an angle if an impenetrable hardpan la...

Page 18: ...sulation from one end of the 12 AWG wire and insert it into the upper ground lug Tighten the set screw The other end of the 12 AWG wire will attach to the ground lug of the instrumentation enclosure 4...

Page 19: ...pod or CM10K Tripod Kit It can be installed to improve the CM10 Tripod wind load rating Table 2 3 lists items in the CM10 Guy Kit TABLE 2 3 CM10 Guy Kit Parts Item CSI Part Description Quantity G1 108...

Page 20: ...mble slightly as shown in Figure 2 7 to accomplish this b Thread a piece of wire rope through each of the three small top plate holes Double the wire rope back on itself about 8 inches Clamp the doubl...

Page 21: ...in step 1 Only finger tighten the u bolts however FIGURE 2 8 Turnbuckle Assembly 6 Place the hook end of each turnbuckle into a bottom plate in an orderly fashion so that each wire rope spans to the t...

Page 22: ...Figure 2 9 FIGURE 2 9 CM210 crossarm to pole bracket top is included with the crossarm for attaching the crossarm to the tripod s mast 2 6 1 2 019ALU Crossarm Sensor Mount Attach the 019ALU to the ma...

Page 23: ...r Stand The CM225 Pyranometer stand is used to mount the LI200X LI190SB CS300 CMP3 and LP02 solar radiation sensors to either a mast or crossarm 1 If using a CS300 LI200X or LI190SB mount the leveling...

Page 24: ...Section 2 CM6 CM10 Tripod Installation FIGURE 2 11 CM225 Solar Radiation Mount with a LI2003S Leveling Base and LI200X Solar Radiation Sensor FIGURE 2 12 CM225 Attached to a Mast 2 12...

Page 25: ...o the top of the enclosure and an identical three piece bracket mounted to the bottom of the enclosure see Figures 3 1 1 3 1 2 and 3 1 3 Attach the enclosure to the mast as follows 1 Position the encl...

Page 26: ...ction 3 Instrumentation Installation FIGURE 3 1 1 An enclosure with the MM mounting option attaches to a tripod mast via u bolts FIGURE 3 1 2 This exploded view shows the components of a MM bracket 3...

Page 27: ...backplate see Figure 3 1 4 3 1 3 BPALK Alkaline Power Supply The BPALK battery pack houses eight alkaline D cell batteries To install the batteries loosen the thumb screw and remove the cover 1 Make s...

Page 28: ...tage into the CHG terminals is 26 VAC or 26 VDC Do not connect 110 VAC directly to CHG terminals WARNING 4 Turn power switch to ON and replace cover 3 1 5 Solar Panel Solar panels purchased from CSI a...

Page 29: ...Section 3 Instrumentation Installation FIGURE 3 1 4 CR1000 and PS100 Mounted to an Enclosure Backplate FIGURE 3 1 5 SP10 Solar Panel 3 5...

Page 30: ...sing the screwdriver provided with the datalogger If a datalogger program has been developed the sensors will have to be wired to the channels specified by the measurement instructions If a program ha...

Page 31: ...he datalogger and the computer with a Hayes compatible phone modem over a dedicated telephone line Mount the modem to the enclosure backplate as shown in Figure 3 3 2 1 Mount the modem to the backplat...

Page 32: ...em and the RavenXTG GPRS modem Refer to our product brochure for information on choosing the right cellular modem for your weather station Mount the digital cellular modem in the enclosure by doing th...

Page 33: ...cket to the enclosure backplate using the two screws and nylon inserts provided Figure 3 3 3 3 Connect the SC932A to the datalogger s I O port with an SC12 cable 4 Mount the 6361 Surge Protector to th...

Page 34: ...e cable from the remote SRM 5A and the cable from the SRM 5A attached to the computer to the 6361 Connect the cables as shown in Figure 3 3 5 Strain relief the cables using cable ties and tabs FIGURE...

Page 35: ...Section 3 Instrumentation Installation Datalogger Computer FIGURE 3 3 4 SRM 5A Wiring 3 11...

Page 36: ...for RF repeater stations and RF Networks accessed remotely by phone 3 3 5 1 RF500M Modem Configuration Device Configuration Utility software is used to configure the RF500M modem Device Configuration...

Page 37: ...set as Connected to PC via SC532 4 Baud Rate Set the baud rate for the RS 232 interface 5 Sleep Mode Enabled Determine if sleep mode functionality will be enabled for RF300 series radios In all other...

Page 38: ...station is installed in the same order 1 Tripod or tower 2 Enclosure and datalogger 3 Antenna Orient correctly remember direction and polarization 4 Solar Panel 5 Power Supply 6 Sensors 7 RF Modem Con...

Page 39: ...ble Connects to a PC via the 10873 cable Connects to the datalogger CS I O port via an SC12 cable FIGURE 3 3 5 You can configure any two types of interface ports RS 485 RS 232 and CS I O to be used at...

Page 40: ...tor begins to turn pink The indicator card does not need to be replaced unless the colored circles overrun DO NOT EAT UNITED DESICCANTS GATES 101CHRISTINE BELEN NEW MEXICO 87002 DESI PAK SPECIFICATION...

Page 41: ...crossarm as shown in Figure 4 1 1 1 Mount the CM220 bracket on the crossarm via the U bolt and nuts 2 Place the 034B stem and bushing into the CM220 bracket 3 With the shoulder screw in place orient t...

Page 42: ...CM220 and tighten the set screws 3 Slide the orientation ring and the Wind Monitor onto the mounting post Rotate the sensor base so that the square wiring box points south Engage the key in the orient...

Page 43: ...the allen wrench provided 4 3 2 03002 Mounted to CM202 CM204 or CM206 Crossarm Mount the 03002 to the crossarm as shown in Figure 4 3 1 1 Attach the CM220 bracket on the crossarm via the U bolt and nu...

Page 44: ...rews at this time 3 Level the LI2003S using the bubble level and leveling screws and tighten the mounting screws Remove the red protective cap prior to use Bullseye level CM225 3 Leveling Screws 3 Mou...

Page 45: ...Section 4 Sensor Installation 107 Mounting Clamp FIGURE 4 5 1 107 Temperature Probe 4 5...

Page 46: ...backfill the trench 4 If bare soil is required a soil sterilant such as Paramitol can be applied to the area where the probe is buried Soil erosion can be a problem when the probe is under bare soil T...

Page 47: ...Section 4 Sensor Installation HMP50 Mounting Clamp FIGURE 4 7 1 HMP50 Temperature and RH Probe 4 7...

Page 48: ...perature and RH Probe Mount the probe inside the 41003 5 10 plate radiation shield as shown in Figure 4 8 1 1 Loosen the split plastic nut on the base of the shield Insert the probe and tighten the nu...

Page 49: ...le or a user supplied pole as shown in Figure 4 10 1 Mounting the gage directly to the tripod or tower is not recommended 2 Dig a 6 diameter hole 24 deep 3 Center a 1 1 4 to 2 IPS pipe in the hole and...

Page 50: ...ither the CM240 Figure 4 11 1 or a user supplied bracket Remove the rain gage funnel from the base by removing the three screws and lifting upward Adjust the three nuts on the CM240 bracket to level t...

Page 51: ...value in the Formula a Clearance Radius in the same measurement units as the height can be obtained Clearance Radius formula CONE 0 CONE height radius 268 FORMULA 2 Beam angle clearance Radius FIGURE...

Page 52: ...g options available for the SR50A sensor The first is the SR50A Mounting Kit part number 19517 This bracket is used to mount the SR50A to a CM206 crossarm or a pipe with a 1 to 1 75 OD Figures 4 12 3...

Page 53: ...Section 4 Sensor Installation FIGURE 4 12 3 SR50A Mounted to a Crossarm via the 19517 Mounting Kit FIGURE 4 12 4 The SR50A Mounted to the Crossarm Shown from Another Angle 4 13...

Page 54: ...oil surface will give an indication of the water content in the upper 30 cm of soil Horizontal installation will detect the passing of wetting fronts Insertion at a 30 degree angle with the surface wi...

Page 55: ...CS616 Water Content Reflectometer with 14383 Probe Insertion Guide 4 14 237 Leaf Wetness Sensor Mounting and orientation considerations are left to the user to determine Consult the 237 manual for pr...

Page 56: ...soil representative of the field conditions you wish to monitor Avoid high or low spots Placement south of the weather station mast northern hemisphere will avoid the effects of the mast shade Install...

Page 57: ...th has been determined True North is usually found by reading a magnetic compass and applying the correction for magnetic declination where magnetic declination is the number of degrees between True N...

Page 58: ...5305 sensors only and tighten the band clamp on the orientation ring Other methods employ observations using the North Star or the sun and are discussed in the Quality Assurance Handbook for Air Pollu...

Page 59: ...n 4 Sensor Installation FIGURE 4 17 2 Declination Angles East of True North are Subtracted from 0 to get True North FIGURE 4 17 3 Declination Angles West of True North are Added to 0 to get True North...

Page 60: ...Section 4 Sensor Installation 4 20...

Page 61: ...dows Follow the installation procedure outlined in the front of the software manual These software packages download programs to the weather station datalogger monitor data and retrieve data stored in...

Page 62: ...Section 5 Standard Software Installation 5 2...

Page 63: ...ilure 6 1 2 Batteries The CRBasic battery instruction can be used to measure battery voltage By recording battery voltage the user can determine how long a fresh set of batteries will last see the Ins...

Page 64: ...tions 6 1 4 Sensor Maintenance Sensor maintenance should be performed at regular intervals depending on the desired accuracy and the conditions of use A suggested maintenance schedule is outlined belo...

Page 65: ...following steps A Make sure the battery has been installed and the power switch if any is ON B Use a voltmeter to measure the voltage on the 12 V and G terminals the voltage must be between 9 6 and 16...

Page 66: ...end 2 2 3 3 7 7 20 20 9 pin serial port computer end modem end 2 3 3 2 4 20 5 7 F Make sure the modem is properly configured and cabled G If still no response call Campbell Scientific 6 2 3 NaN Displa...

Page 67: ......

Page 68: ...p CSC 11564 149th Street NW Edmonton Alberta T5M 1W7 CANADA www campbellsci ca dataloggers campbellsci ca Campbell Scientific Centro Caribe S A CSCC 300 N Cementerio Edificio Breller Santo Domingo Her...

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