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SECTION 4. SENSOR INSTALLATION

4-9

4.17 237 LEAF WETNESS SENSOR

Mounting and orientation considerations are left
to the user to determine. Consult the 237
manual for preparation and other information.
Normally, the sensor is mounted away from the
meteorological tower in or near a plant canopy.

FIGURE 4.17-1. 237 Leaf Wetness Sensor

4.18 257 SOIL MOISTURE SENSOR

1. Soak the sensor end of the 257 in irrigation

water for 12 to 14 hours. Allow the sensor
to dry for 1 to 2 days after soaking and
repeat the soak/dry cycle twice to improve
sensor response. Always install a wet
sensor.

2. Install the sensor into 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. Installation in the root zone is
best if measurements are used for irrigation
purposes.

3. The 257 should be removed from the soil

prior to harvest or cultivation operations to
avoid damaging the sensor or sensor cable.
Remove when soil is moist.

JARO

JARO

JARO

JARO

J

J

FIGURE 4.18-1. 257 Soil Moisture Sensor

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Содержание UT30

Страница 1: ...UT30 WEATHER STATION INSTALLATION MANUAL REVISED 4 98 COPYRIGHT c 1993 1998 CAMPBELL SCIENTIFIC INC ...

Страница 2: ...ty 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 To obtain a Returned Materials Authorization RMA contact CAMPBELL SCIENTIFIC INC phone 435 753 2342 After an applications engineer determines the nature of the problem an RMA number will be issued Please write...

Страница 3: ... 4 4 05103 and 05305 RM Young Wind Monitors 4 2 4 5 03001 RM Young Wind Sentry Wind Set 4 3 4 6 03101 RM Young Wind Sentry Anemometer 4 3 4 7 LI200S Li Cor Silicon Pyranometer LI190SB Quantum Sensor 4 4 4 8 107 108 Temperature Probe 4 4 4 9 107B Soil Temperature Probe 4 5 4 10 CS500 Vaisala Temperature and RH Probe 4 5 4 11 HMP35C Vaisala Temperature and RH Probe 4 6 4 12 CS105 Vaisala Barometric ...

Страница 4: ...lt Power Supply 3 3 3 1 8 PS12LA 12 Volt Power Supply 3 4 3 1 9 MSX10 Solar Panel 3 4 3 2 1 Routing and Wiring Sensor Leads to the Datalogger 3 5 3 3 1 SM192 SM716 Storage Module 3 6 3 3 2 DC112 Modem with 6362 Surge Protector 3 7 3 3 3 COM100 Cellular Transceiver 3 7 3 3 4 SRM 5A and SC932 at Datalogger 3 9 3 3 5 SRM 5A Wiring 3 10 3 3 6 RF95 RF Modem and RF100 RF200 Transceiver 3 11 3 3 7 RF232 ...

Страница 5: ...tion Guide 4 8 4 17 1 237 Leaf Wetness Sensor 4 9 4 18 1 257 Soil Moisture Sensor 4 9 4 19 1 Magnetic Declination for the Contiguous United States 4 10 4 19 2 Declination Angles East of True North Are Subtracted From 0 to Get True North 4 11 4 19 3 Declination Angles West of True North Are Added to 0 to Get True North 4 11 ...

Страница 6: ...port to the field site 1 1 2 OUTDOORS Locate suitable site Section 1 Prepare tower or tripod base Section 2 Tripod and UT10 3 meter tower tower stations Raise tripod or tower Section 2 Install instrumentation enclosure Section 3 Install sensors Section 4 UT30 10 meter tower tower stations Install 3 to 10 meter level sensors Section 4 Raise tower Section 2 Install instrumentation enclosure Section ...

Страница 7: ... materials 2 x 4 lumber stakes saw hammer nails etc Concrete trowel and edger Materials for UTDUK Duckbill Anchors Sledgehammer Highlift jack Chain to attach jack to anchor loops Materials for RFM18 Base 3 anchors appropriate for mounting surface 3 bolts and washers to secure base to anchors 1 2 2 TOOLS FOR INSTRUMENTATION AND MAINTENANCE All Towers Lock and key for enclosure Magnetic declination ...

Страница 8: ... SPEED AND DIRECTION Wind sensors should be located over open level terrain and at a distance of at least ten times EPA the height of any nearby building tree or other obstruction as illustrated in Figure 1 3 1 Standard measurement heights 3 0 m 0 1 m recommended AASC 2 0 m 0 1 m 10 0 m 0 5 m optional AASC 10 0 m WMO and EPA 1 3 2 TEMPERATURE AND RELATIVE HUMIDITY Sensors should be located over an...

Страница 9: ... weather station structures Reflective surfaces and sources of artificial radiation should be avoided The height at which the sensor is mounted is not critical 1 3 5 SOIL TEMPERATURE The measurement site for soil temperature should be at least 1 m2 and typical of the surface of interest The ground surface should be level with respect to the immediate area 10 m radius Standard measurement depths 10...

Страница 10: ...ted States is shown in Figure 1 4 1 Declination angles east of True North are considered negative and are subtracted from 0 degrees to get True North as shown Figure 1 4 2 Declination angles west of True North are con sidered positive and are added to 0 degrees to get True North as shown in Figure 1 4 3 For example the declination for Logan Utah is 14 5 East True North is 360 14 5 or 345 5 as read...

Страница 11: ...declination Note that longitude is expressed in 0 to 360 degrees east of the Greenwich prime meridian and that north latitudes are positive Query Form 1 Latitude Longitude Latitude Longitude below specified in Geographic Year from 1945 to 2000 1998 Altitude above Earth s surface km from 0 to 40000 0 Latitude degrees from 90 00 to 90 00 42 03 Longitude degrees from 0 00 to 360 00 248 15 Query Form ...

Страница 12: ...to Get True North References 1 EPA 1987 On Site Meteorological Program Guidance for Regulatory Modeling Applications EPA 450 4 87 013 Office of Air Quality Planning and Standards Research Triangle 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 Climatologist 1985 Pu...

Страница 13: ...degrees from the first Vary the distance between the tower and each anchor so that the angle between the tower and the guy wire will be approximately 30 degrees 2 1 3 TOWER BASE INSTALLATION There are two base options the B18 base is poured in concrete the RFM18 roof mount base is anchored to a flat surface 2 1 3 1 B18 Base installation 1 Dig a hole 36 square and 48 deep where the tower base will ...

Страница 14: ... TILT DIRECTION NORTH CENTER POINT ANCHOR LOCATIONS 3 PLCS 29 5 FIGURE 2 1 2 Top View of Base and Guy Anchor Layout SIDE VIEW TOP VIEW ANCHOR BOLT CEMENT FOUNDATION 48 36 36 North FIGURE 2 1 3 Foundation for B18 Base B18 Base 3 places Cement Foundation ...

Страница 15: ...de dimensions for each hole Center the forms over the holes and level them using a carpenter s level and stakes 3 Fill the holes with concrete and install the eyebolts as shown in Figure 2 1 6 2 1 4 2 UTDUK Duckbill Guy Anchor 1 Locate the three anchor locations Section 2 1 2 It is important that the anchors be driven at the same angle as the guy wires Figure 2 1 7 Insert the steel drive bar into ...

Страница 16: ...ors While holding the tower plumb attach the guy wires to the eye end of the turnbuckles using a thimble and two U bolts for each guy wire Tighten the turnbuckles until the guy wires are snug and the tower is plumb Do not overtighten the turnbuckles 2 1 6 UTGND TOWER GROUNDING KIT 1 Drive the ground rod close to the tower Figure 2 2 1 using a fence post driver or sledgehammer Drive the rod at an a...

Страница 17: ...N 2 5 FIGURE 2 1 9 Guy Wire Turnbuckle Attached to UTEYE Anchor FIGURE 2 1 10 Ground Rod and Clamp FIGURE 2 1 11 Tower Grounding Clamp Clamp Ground Rod Wire to Ground Rod Turnbuckle Thimble U bolt 2 places Wire to Enclosure Clamp ...

Страница 18: ...oth screws evenly Make sure the lightning rod set screw is tight 2 2 2 GILL RADIATION SHIELDS 1 Attach the Gill Radiation Shield UT12VA UT12P or UT6P to the UT018 crossarm with the bolt and nut provided Figure 2 2 3 2 Attach the UT018 to the tower leg facing the prevailing wind direction Figure 2 2 3 The top of the crossarm mounting bracket should be 74 from the bottom of the tower Tighten the fou...

Страница 19: ... plate 5 above the 3 4 x 3 4 NU RAIL and tighten the set screws NOTE The 025 mounts to the 3 4 x 3 4 NU RAIL PN 1017 on the 019ALU Crossarm which may not be available depending on the wind sensor configuration FIGURE 2 2 3 UT12VA Gill Radiation Shield and UT018 Crossarm UTLI B1 FIGURE 2 2 4 UTLI Leveling Fixture Crossarm Mount and UT018 FIGURE 2 2 5 025 Pyranometer Crossarm Stand UT018 UT12VA 025 ...

Страница 20: ...de of the mast or tower northern hemisphere as shown in Figure 3 1 1 3 1 2 or 3 1 3 Attach the enclosure with the U bolts provided 2 Route the 14 AWG wire from the brass tripod grounding clamp Section 2 to the enclosure grounding lug Strip one inch of insulation from each end of the wire and insert the end of the wire into the grounding lugs and tighten the set screws FIGURE 3 1 1 ENC 12 14 Enclos...

Страница 21: ... present NOTE The wall transformer converts 120 VAC input to 18 VAC output Maximum charging current is 1 1 A WARNING Maximum input voltage into the CHG terminals is 26 VAC or 26 VDC Do not connect 110 VAC directly to CHG terminals 4 Turn power switch to ON and replace cover BPALKEXP power supply A lk a li n e P a n n a s o n i c D A lk a li n e P a n n a s o n i c D A lk a li n e P a n n a s o n i...

Страница 22: ...VDC OR AC RMS POSITI VE TO EITHER TERMI NAL NEGAT IVE TO OTHER POWER TO DATAL OGGER OR 12V PERIPH ERALS FIGURE 3 1 8 PS12LA 12 Volt Power Supply FIGURE 3 1 9 MSX10 Solar Panel 3 2 SENSOR CONNECTION 1 After the sensors have been mounted route the sensor leads through the entry hole in the bottom of the enclosure and to the datalogger Secure the leads to the left side of the enclosure using cable ti...

Страница 23: ...tend the amount of memory that is available for storing data and also provide on site backup for data and programs Mount the SM192 to the enclosure backplate as shown in Figure 3 3 1 1 Attach the mounting bracket PN 6234 to the backplate using the four screws and nylon grommets provided 2 Connect the storage module to the datalogger s I O port with an SC12 cable Place the storage module in the bra...

Страница 24: ...SA 75378 MM T Ringer Equivalence 0 6B Required Connector USOC RJ11C Canadian Load No 5 This equipment complies with the requirements in Part 15 of FCC Rules for Class A computing device Operation of this equipment in a residential area may cause unacceptable interference to radio and TV reception requiring the operator to take whatever steps are necessary to correct the interference SE DIFF G G H ...

Страница 25: ...NTS GATES 101C HRIS TINE BELE N NOW MEXI CO 87002 DESI PAK SPEC IFICA TION MIL D 3464 TYPE I II REAC TIVAT ION TIME IN BA G 16 HOUR S AT 250 F DESI CCAN T ACTIV ATED BAGG ED FOR CONT ENTS 4 UNIT S PACK AGE USE AND STAT IC DEHU MIDIF ICATI ON DO NOT EAT UNITED DESICCANTS GATES 101C HRIS TINE BELE N NEW MEXI CO 87002 DESI PAK SPEC IFICA TION MIL D 3464 TYPE I II REAC TIVAT ION TIME IN BA G 16 HOUR S...

Страница 26: ...MODEM AND RF100 RF200 TRANSCEIVER Radiotelemetry RF enables communications between one or more dataloggers and the computer over an FCC assigned radio frequency in the VHF or UHF band The maximum distance between any two communicating stations is approximately 20 miles and must be line of sight Longer distances and rough terrain may require intermediate repeater station s Refer to the Radiotelemet...

Страница 27: ...SECTION 3 INSTRUMENTATION INTALLATION 3 8 FIGURE 3 3 5 SRM 5A Wiring Computer Datalogger ...

Страница 28: ...nnect the radio to the RF95 with the cable provided the ends of the cable are labeled RF95 and RADIO Route the red and black wires to the PS12 Connect the RF95 to the datalogger using an SC12 cable 5 Mount the antenna to the mast according to the manufacturer s instructions Connect the antenna cable to the antenna and route the cable to the radio Connect the antenna cable to the radio as shown in ...

Страница 29: ...e radio Reassemble the RF232 lid using the screws previously removed 4 With the power switch OFF connect the power cord to 110V AC Connect the serial port to the computer s serial port using an SC25PS cable for a 25 pin serial port or a PN7026 cable for a 9 pin serial port Toggle the power switch to ON to operate the RF232 3 3 6 MD9 MULTIDROP INTERFACE The MD9 Multidrop Interface enables communica...

Страница 30: ...9 to the SC532 with an SC12 cable 2 Route the coaxial cable to the MD9 connect the cable and an MD9CT to the MD9 using the BNC T provided MADE IN THE USA AC INPUT 57 63 Hz FOR USE AT 100 120 230 240 JUMPER 1 2 1 3 1 2 1 3 2 3 2 3 1 4 1 5 1 4 1 5 APPLY AC MAX CURENT FUSE RATING 5A 25A EXTERNAL FUSE RECOUNTER EXIT IHB12 1 7 OUTPUT 12DC AT 1 7 AMPS I P POWER INTERNATIONAL 2N3055 MEXICO 92109 12V FCC ...

Страница 31: ...rt C D Open Station Switch Settings ID 1234 5678 0 0000 0000 1 1000 0000 2 0100 0000 3 1100 0000 4 0010 0000 5 1010 0000 6 0110 0000 7 1110 0000 8 0001 0000 9 1001 0000 10 0101 0000 11 1101 0000 12 0011 0000 255 1111 1111 NOTE Addresses 1 254 are valid for an MD9 connected to a datalogger or computer Address 255 is used only when the MD9 is connected to a telephone modem or computer ...

Страница 32: ...SECTION 3 INSTRUMENTATION INSTALLATION 3 13 FIGURE 3 3 9 MD9 Multidrop Interface at the Computer ...

Страница 33: ... ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD ASLFJO AKD SPE CIFICATION MIL D 3 463 KAL DHFI O AKJ I AI AJH FHO ALD LIFJ ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD ASLFJ O AKD DO NOT EAT UNITED DESICCANTS G ATES UNITED DESICCANTS G ATES DO NOT EAT UN ITED DE SICC AN TS GAT ES UNITED DESICCANTS G ATE S D...

Страница 34: ...L set screws and remove the shoulder screw N FIGURE 4 1 1 Met One 034A Wind Speed and Direction Sensor 4 2 014A MET ONE WIND SPEED SENSOR Mount the 014A sensor to the 019ALU crossarm as shown in Figure 4 2 1 1 Insert the base of the sensor through the 3 4 NU RAIL Position the sensor 1 below the NU RAIL and tighten the set screws 2 Connect the sensor lead to the sensor A small amount of lithium gre...

Страница 35: ...ector will prevent problems due to corrosion REGCOMENDED Feed SENSORS Portland Or USA Serial 27115 REGCOMENDED Feed SENSORS Portland Or USA Serial 27115 27115 FIGURE 4 3 1 Met One 024A Wind Direction Sensor 4 4 05103 AND 05305 RM YOUNG WIND MONITORS Mount the 05103 or 05305 to the 019ALU crossarm as shown in Figure 4 4 1 1 Position the top of the mounting post 5 above the 1 NU RAIL and tighten the...

Страница 36: ... 4 NU RAIL and tighten the set screws 2 Slide the crossarm mounting bracket onto the mounting post Orient the crossarm so the vane end points north and tighten the band clamp see Section 4 19 for final calibration 3 Attach the cup assembly to the anemometer shaft using the allen wrench provided FIGURE 4 5 1 03001 Mounted to the Mast FIGURE 4 5 2 03001 Mounted to 019ALU Crossarm 4 6 03101 RM YOUNG ...

Страница 37: ...bubble level and leveling screws and tighten the mounting screws Remove the red protective cap prior to use FIGURE 4 7 1 LI200X LI200S LI190SB and LI2003S Leveling Fixture 4 8 107 108 TEMPERATURE PROBE Mount the 107 temperature probe inside the 41301 UT6P 6 Plate Gill Radiation Shield as shown in Figure 4 8 1 1 Loosen the two mounting clamp screws on the base of the 41301 UT6P Insert the 107 probe...

Страница 38: ...ant 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 To prevent erosion from occurring bury a 36 square frame constructed from 2 x 4 lumber around the probe with the top of the frame even with the soil surface 4 10 CS500 VAISALA TEMPERATURE AND RH PROBE Mount the CS500 probe inside the 41301 UT6P 6 Plate Gill Rad...

Страница 39: ...GER OR 12V PERIPHERALS VAISALA EXT TRIG AGND GND SUPPLY VOUT PRESSURE TRANSMITTER MODEL SERIAL NO RANGE OUTPUT SUPPLY PTB100A P4450003 800 1060 hPa 0 5 VDC 10 30 VDC MADE IN FINLAND SE DIFF G G H L 1 2 1 AG H L AG H L AG E1 AG E2 G 3 4 2 5 6 3 SE DIFF G G H L 7 8 4 AG H L AG H L AG E3 AG G G 9 10 5 11 12 6 P1 G P2 G C8 C7 C6 C5 C4 C3 C2 C1 G 12V 12V SDM 5V 5V G G SW 12V SW 12V CTRL Logan Utah G 12...

Страница 40: ...of the funnel should be horizontal and at least 30 inches above the ground The ground surface around the rain gage should be natural vegetation or gravel The gage should not be installed over concrete or pavement 1 Mount the CS700 to either the CM100 Figure 4 14 1 or a user supplied bracket Remove the CS700 L funnel from the base by removing the three screws and lifting upward Adjust the three nut...

Страница 41: ...ed at any orientation to the surface A probe inserted vertically into a soil 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 will measure water content in the upper 15 cm of soil Probes must be inserted such that no air voids are created around the rods ...

Страница 42: ... dry for 1 to 2 days after soaking and repeat the soak dry cycle twice to improve sensor response Always install a wet sensor 2 Install the sensor into 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 Installation in the root zone is best if measurements a...

Страница 43: ...re 4 20 2 Declination angles west of True North are con sidered positive and are added to 0 degrees to get True North as shown in Figure 4 20 3 For example the declination for Logan Utah is 16 East True North is 360 16 or 344 as read on a compass Orientation is most easily done with two people one to aim and adjust the sensor while the other observes the wind direction displayed by the datalogger ...

Страница 44: ...rthquake Lists EQLIST M for Geomagnetic Field Values GEOMAG X to log out Enter program option M Would you like information on how to run GEOMAG Y N N Options 1 Field Values D I H X Z F 2 Magnetic Pole Positions 3 Dipole Axis and Magnitude 4 Magnetic Center 1 1 Display values twice N press return Name of field model USCON90 press return Date current date press return Latitude 42 2 N Longitude 111 5...

Страница 45: ...ON 4 SENSOR INSTALLATION 4 12 FIGURE 4 20 2 Declination Angles East of True North Are Subtracted From 0 to Get True North FIGURE 4 20 3 Declination Angles West of True North Are Added to 0 to Get True North ...

Страница 46: ...hort Cut by entering SC at a DOS prompt Create the weather station program by following the four steps outlined 3 Print the DEF file produced by Short Cut Follow the wiring assignments in the DEF file when connecting sensors to the weather station datalogger 4 Start PC208 by typing PC208E at the DOS prompt OR start PC208W from Windows 5 Create a station file with PC208 File New Station OR create a...

Страница 47: ... be used to maintain power to the datalogger when changing batteries otherwise the clock program and data will be lost refer to the Installation Section of the datalogger s Operator s Manual for details When not in use remove the eight cells to eliminate potential corrosion of the contact points and store in a cool dry place Rechargeable power supplies should be connected to an AC transformer or u...

Страница 48: ... 12 V and G terminals the voltage must be between 9 6 and 16 VDC C Disconnect any sensor or peripheral wires connected to the 5 V and 12 V terminals D Disconnect any communications or storage peripherals from the datalogger E Reset the datalogger by turning the power switch to OFF then to ON or disconnecting and reconnecting the battery F If still no response call Campbell Scientific 6 2 2 NO RESP...

Страница 49: ...umbered sequentially starting at 1H i e 1L is single ended channel 2 C Make sure the Range parameter in the measurement instruction covers the full scale voltage output by the sensor 6 2 4 UNREASONABLE RESULTS DISPLAYED IN AN INPUT LOCATION A Inspect the sensor for damage and or contamination B Make sure the sensor is properly wired to the datalogger C Check the multiplier and offset parameters in...

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