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Leaf & Soil Moisture/Temperature Station for Vantage Pro

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Contents

1. housing 2 Insert the sensor cable modular plug into the Leaf 1 or Leaf 2 modular con nector We oo A ic Sl Grommets Leaf Wetness Sensor Cables Run Connecting Leaf Wetness Sensors Through Grommets Installing Leaf Wetness Sensors Page 11 Finishing the Sensor Connections to the Station 1 Secure sensor cables to the cable When tightening tie mounts located next to the cable tie make sure grommets cables are on top of cable tie mount Cable Tie Cable Tie Securing Sensor Cables 2 To prevent fraying or cutting of cables secure them so they will not whip about in the wind Secure a cable to a metal pole by wrapping electrical tape around them both Make sure cables are secure by ie gt placing clips or ties approximately every 3 5 1 1 6 m Cable Tie Cable Clip Securing Cables with Clips and Ties Note Do not use metal staples or a staple gun to secure cables Metal staples especially when installed with a staple gun have a tendency to cut the cables Mounting the Sensor Against a Wooden Surface To mount the sensor against a 8 Wood Screws wooden surface secure the sensor to the surface using the 8 wood screws as shown below Mounting on a Wooden Surface Page 12 Wireless Leaf amp Soil Moisture Temperature Sta Mounting the Sensor on a Pipe To mount the sensor on a pipe stake a or pole with outside d
2. matching the sign on the battery with the sign next to the battery mounting brackets 2 Note the location of the DIP switches You will work with them during the next installation D cal Db g D amp Db fal SHAS step LEAF 1 wer Te i Terminal c a ma Blocks Lo o EN Leaf A v2 5 p E j Wetness CD CD Connectors Installing the Battery 3 Volt Lithium Battery ay Switches G O Temporarily Connecting a Sensor for Testing Temporarily connect at least one of the following sensors Note You must have at least one sensor installed in the Leaf Soil station in order to test wireless communications Leaf Wetness Sensor Connection e Connect the leaf wetness sensor cable to the LEAF 1 or LEAF 2 receptacle Soil Moisture Sensor Connection e Temporarily connect a soil moisture probe to the SOIL 1 terminal block connector e Use a pen or small screwdriver to open the connector jaws as shown in the illustration Connecting a Leaf Wetness Sensor e While the jaws are open insert the tempera ture probe leads then let the connector jaws close in on the lead Page 4 Wireless Leaf amp Soil Moisture Temperature Sta Note The soil moisture s
3. installed will be used for temperature compensation of the soil moisture sensor Note The Leaf Soil Station requires Vantage Pro console firmware Rev B or later Press and hold the DONE key then press the up arrow key to display the console firmware level Contact Davis Technical Support for upgrade information Product 6343 Tools for Setup In addition to the components shown you will need some or all of the follow ing materials e Adjustable wrench or 7 16 wrench e Medium Phillips Screwdriver e Ballpoint pen or paper clip small pointed object of some kind e Drill and 3 16 5 mm drill bit if mounting on a vertical surface e Stepped Sensor Installation Tool for Soil Moisture and Temperature Sen sors recommened see page 17 Components The Leaf Soil Station includes the following components and hardware pS NN ii fi 1 4 Flat Washers 1 4 x 1 1 2 Lag Screws 1 4 Lock Washers 1 4 Hex Nuts DE TID ae 3 Volt Lithium Battery i J n AD D e 8 Cable Ties Leaf Soil Station Components AAA ies if Optional Sensors The following optional sensors are available for the Leaf Soil Station 8 x 3 4 Machine U Bolts Screws 8 Flat Washers 1 4 Flat Washers 8 Lock Washers 1 4 Hex Nuts 8 Hex Nuts Leaf Wetness Sensor with 40 12 2 m of cable 8 Wood Screws j 7
4. used to provide temperature compenstation for the soil moisture sensor readings e If you want to use a temperature sensor for something besides compen sation for a soil moisture sensor then you cannot use the corresponding soil moisture sensor e To use one soil temperature sensor to provide compenstation for multi ple soil moisture sensors install the temperature sensor in TEMP 1 e If no soil temperature sensors are installed the station will use the default temperature of 75 F 24 C to compensate the soil moisture read ings The soil moisture accuracy will be off by about 1 for each 1 F 0 5 C difference between the actual soil temperature and 75 F 24 C Installing Leaf Wetness Sensors The leaf wetness sensor enables the station to detect the presence of surface moisture on foliage and calculate the duration of wetness When moisture is present the sensor detects an electrical resistance change between the gold plated elements of the grid This is displayed by the Vantage Pro console as a value between 0 dry and 15 wet Using the WeatherLink software you may select your own wetness threshold the software will then calculate leaf wet hours See the next section Installing Soil Moisture amp Temperature Sensors on page 13 for information on installing temperature sensors Connecting Leaf Wetness Sensors 1 Run the sensor cables up through the grommets on the bottom of the station
5. Optional Leaf Wetness Sensor 6420 Page 2 Wireless Leaf amp Soil Moisture Temperature Sta Soil Moisture Sensor with 15 4 6 m of cable Temperature Probe with 15 4 6 m of cable Optional Soil Moisture Sensor 6440 and Optional Temperature Sensor 6470 Installation Steps For ease of installation and use of your Leaf Soil Station please follow steps in the order presented e Preparing the station page 4 e Setting the DavisTalk transmitter ID page 5 e Choosing a location to mount the station page 8 e Mounting the station page 9 e Rules for using the sensors page 10 e Installing leaf wetness sensors page 11 e Installing soil moisture and temperature sensors page 13 e Using soil moisture readings page 18 If you encounter difficulties or have questions about your station the following additional information may be helpful Troubleshooting the sensors page 19 e Extending Sensor Cables page 19 e Contacting Davis Technical Support page 19 e Specifications page 20 Installation Steps Page 3 Preparing the Leaf Soil Station The following illustrations show the location of the DavisTalk transmitter DIP switches the battery mounting location the modular connectors used by the leaf wetness sensors and the terminal blocks used to connect the soil moisture sensors and temperature probes Installing the Battery 1 Insert the 3 volt lithium battery into the battery holder
6. holes j ih 3 Insert the 1 4 x 1 1 2 lag li a SM Q a screws through the flat washers Shean ii TOS So Q aD and through the holes at the top and bottom of the shelter into Mounting Station on a Vertical Surface the post 4 Using an adjustable wrench or 7 16 wrench tighten the lag screws Mounting on a Pole 1 While holding the shelter against the pole place a U bolt around the pole and through the two holes on at the top of the shelter 47 Hex Lock Nut Flat Washer Washer 2 Place a flat washer a lock washer and a hex nut on each Say 6 0 of the bolt ends Mounting Station on a Pole Mounting the Leaf Soil Station Page 9 3 Using an adjustable wrench or 7 16 wrench tighten the nuts 4 Place the second U bolt around the pole and through the two holes at the bottom of the shelter 5 Put a flat washer a lock washer and a hex nut on each bolt end and tighten the hex nuts Note f no soil temperature probe is used the console will use a default temperature of 75 F 24 C to compensate the soil moisture sensor readings 6 To prevent fraying or cutting of cables secure them so they will not whip about in 5 the wind Secure a cable to a metal pole by y wrapping electrical tape around them both N Make sure cables are secure by placing clips KO IK or ties approximately every 3 5 1 1 6 m Cable Tie Cable Clip Securing Cables with Cl
7. not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved in writing by Davis Instruments may void the user s authority to operate this equipment Product Number 6343 Davis Instruments Part Number 7395 167 Wireless Leaf amp Soil Moisture Temperature Station Rev A Manual 7 May 2002 This product complies with the essential protection requirements of the EC EMC Directive 89 336 EC The term IC before the radio certificaiton number only signifies that Industry of Canada technical specifications were met Copyright 2002 Davis Instruments Corp All rights reserved The WATERMARK soil moisture sensor is a product of Irrometer Company Inc DAVIS E asillll Davis Instruments 3465 Diablo Avenue Hayward CA 94545 2778 510 732 9229 Fax 510 732 9188 E mail info davisnet com www davisnet com
8. to toggle DIP switches 1 2 and 3 The set tings for transmitter IDs 1 8 are shown in the table below ID CODE SWITCH 1 SWITCH 2 SWITCH 3 1 default OFF OFF OFF 2 OFF OFF ON 3 OFF ON OFF 4 OFF ON ON 5 ON OFF OFF 6 ON OFF ON 7 ON ON OFF 8 ON ON ON Setting the DavisTalk Transmitter ID Page 5 Battery Holder DavisTalk Transmitter DIP Switches in Top right Corner of SIM Setting Console Receiver s to Same ID 1 Put your console into Setup Mode press and hold the DONE key and press the DOWN arrow key e The console will show you the words RECEIVING FROM and STATION NO followed by the transmitter IDs that your console detects One of these should be the ID number you just set on the Leaf Soil Station transmitter e If you don t see it make sure the console is within 10 of the transmitter and verify that you set the DIP switches correctly Wait a few seconds and if you still don t see it go to Troubleshooting Communication Prob lems on the next page 2 Press the DONE key to move on to Screen 2 Selecting Transmitters Setup Mode Screen 2 is where you will set the console to recognize signals on that ID as coming from a Leaf Soil Station 3 Press the LEFT lt or RIGHT gt arrow key or the STATION key to scroll throug
9. DAVIS I WIRELESS LEAF amp SOIL MOISTURE TEMPERATURE STATION INSTALLATION MANUAL FOR WIRELESS VANTAGE PRo OR VANTAGE PRO PLus The Wireless Leaf amp Soil Moisture Temperature Station referred to in this docu ment at the Leaf Soil Station can be used with any Wireless Vantage Pro weather station to measure leaf wetness soil moisture or temperature The following Vantage Pro console station configurations can be used with the Leaf Soil station Station Type in Con Number of Leaf Number of Soil Number of sole Configuration Wetness Sen Moisture Sen Temp Probes sors sors LEAF SOIL Station 2 3 LEAF Station 2 F SOIL Station 3 Only one Leaf Soil Station can be installed as a Leaf Soil Station per Van tage Pro Weather Station Two stations can be installed if one is configured as a Leaf Station and the other station is configured as a Soil Station in the Vantage Pro console Configured as a Leaf Station the Station supports two leaf wetness sen sors and two temperature probes Configured as a Soil Station it supports up to three soil moisture sensors and temperature probes A Wireless Soil Moisture Temperature Station 6361 can be used in con junction with a Leaf Soil Station if the Leaf Soil Station is configured as a LEAF station in the Vantage Pro console Note In any station using soil moisture sensors the corresponding temperature probe if
10. cedure 1 Soak the soil moisture sensors overnight in water e Always plant a wet soil moisture sensor e If time permits wet the soil moisture sensor for 30 minutes in the morn ing and let dry until evening wet for 30 minutes and let dry overnight wet again for 30 minutes the next morning and let dry again until evening Soak over the next night and install wet This will improve sen sor response during the first few irrigations or waterings 2 Make sensor access holes to the depth required with a 7 8 diameter rod e Make a hole for the soil moisture sensor and a separate adjacent hole for the temperature probe e For very coarse or gravely soils an oversize hole of 1 to 1 1 4 may be needed to prevent abrasion damage to the soil moisture sensor mem brane In this case you will need to grout in the sensor with a slurry made from the sample soil to get a snug fit in the soil 3 Always install sensors in the active root system of the crop with a snug fit in the soil Page 16 Wireless Leaf amp Soil Moisture Temperature Sta CAUTION n gravelly soils and with deeper sensors carefully install the sensor to pre vent damaging the membrane e Lack of a snug fit is the biggest problem in obtaining good soil moisture sensor read ings Cold rolled steel e The ideal way of making the access hole is to round rod use a stepped installation tool The stepped 1 1 4 32 mm tool makes an oversize hol
11. d by Irrometer Company Inc Connecting Soil Moisture and Temperature Sensors 1 Run the sensor cables up through the grommets on the bottom of the station housing 2 Connect the temperature probes to the TEMP connectors 3 Connect soil moisture probes to the SOIL connectors Installing Soil Moisture amp Temperature Sensors Page 13 4 Each matched temperature probe and soil moisture pair must use the match ing connectors If a temperature probe is not used the soil moisture reading can be off as much as 1 for every 1 F 0 5 C difference between the soil temperature in the soil temperature Grommets Connecting Soil Moisture and Temperature Sensors Running Soil Moisture and Temperature Sensor Cables through Grommets Note fno soil temperature probe is used the console will use a default temperature of 75 F 24 C to compensate the soil moisture sensor readings Finishing the Sensor Connections to the Station 1 Secure sensor cables to the cable tie When tightening mounts located next to the cable tie make sure I grommets cables are on top of cable tie mount Securing Sensor Cables Page 14 Wireless Leaf amp Soil Moisture Temperature Sta 2 To prevent fraying or cutting of cables secure them so they will not whip about in 5 the wind Secure a cable to a metal pole by wrapping electrical tape around them both D Ma
12. e for the upper gt approximate portion and an exact sized hole at the bottom diameter where the sensor is located RU i Overall length The illustration to the right shows the RNG variable dimensions required to make a stepped installation tool 4 After installing the soil moisture sensor the hole needs to be carefully backfilled and tamped down This prevents the creation of air pockets 2 1 2 64 mm which could allow water to channel down to the sensor e Fill the hole with water and push the sensor z 7 8 22 5 mm down into the hole so it bottoms out rie S ofi lome Made Stepped Sensor A length of 1 2 Class 315 PVC tubing fits Installation Tool snugly over the sensor collar and can be used to push the sensor A good snug fit in the soil is important e Carefully backfill the access hole with soil to eliminate any air pockets 5 You can solvent weld the 1 2 Class 315 Tape PVC tubing to the sensor collar for easier Ea installation and removal e Use a PVC ABS cement IPS Weld on 794 or equivalent Sensor Wi 6 After you have installed the soil moisture i sensors the sensors will need one or two irrigation cycles to break in and accli SSS SSS mate to the soil conditions and provide bet my ee ter accuracy i ae 1 2 PVC Pipe Installation Procedure for Turf Lawns 1 Cuta slight V shaped trench about 5 wide at the top and about 6 deep into the ripe w
13. elded to sensor collar with PVC ABS cement turf about 6 long 9 2 Lift out the turf plug piece you just cut Soil Moisture Sensor PVC Pipe Welded to Soil Moisture Sensor Collar Installing Soil Moisture amp Temperature Sensors Page 17 3 Press the sensors into the soil at about a 45 degree angle into the side of the trench to set the sensors about 3 5 below the soil surface Make sure they are good and snug in the soil 4 Set the plug removed from the trench and compact it back into place It will repair itself in short order 5 Run the wires to the Leaf Soil Station and connect them as described in Connecting Soil Moisture and Temperature Sensors on page 13 6 If you withhold irrigation for several days and allow the soil to dry downa bit you should see the soil moisture readings start to creep upward 7 Usually you will not need to water the turf until the reading is in the 25 40 area at the recommended 3 5 depth Removing the Sensors 1 When removing sensors prior to harvest in annual crops it s a good idea to do this just after the last irrigation when the soil is moist 2 Do not pull the sensor out by the wires You may have to dig out at least partially any sensors more than 12 deep or any sensors in dry soil Careful removal prevents sensor and sensor membrane damage 3 When sensors are removed for winter storage clean the sensors dry them and place the
14. ensor must be moist to be used for this test A completely dry sensor will not register on the console Soil Temperature Sensor Connection e Temporarily connect a temperature probe to the TEMP 1 terminal block connector e Use a pen or small screwdriver to open the connector jaws as shown in the illustra tion e While the jaws are open insert the tempera ture probe leads then let the connector jaws close in on the lead Connecting a Soil Moisture or Temperature Sensor Setting the DavisTalk Transmitter ID Each wireless transmitting station must be set to one of eight DavisTalk trans mitter IDs DIP switches 1 2 and 3 on the Sensor Interface Module SIM allow you to control the ID the channel the station will transmit on DIP switch 4 is used for transmission testing not for transmitter ID Note A Davis Talk transmitter and receiver communicate with each other only when both are set to the same ID The factory default transmitter ID is 1 Looking at the table below you can see that means the DIP switches are in the OFF position when each transmitting station leaves the factory This is true for all of Davis wireless equipment 1 Verify the DavisTalk channel used by your ISS as well as all other DavisTalk channels already in use by your Vantage Pro Weather Station 2 Configure the Leaf Soil Station to a DavisTalk channel not already in use 3 Use a ballpoint pen or paper clip
15. h transmitter IDs e When you see the ID you chose for the Leaf Soil Station use the UP or DOWN arrow keys to activate reception of that ID code Make sure the screen shows ON 4 Press the GRAPH key to configure the station type in the console The Leaf Soil Station can be configured as a LEAF SOIL station as a LEAF station or as a SOIL station e Configure it as a LEAF Station if you are only using it for leaf wetness and temp e Configure it as a SOIL station if you are only using it for soil moisture and temp e Configure it as a LEAF SOIL station if you are using it for both leaf wet ness and soil moisture 5 To exit Setup Mode press and hold the DONE key Note See the Vantage Pro User s Manual amp Setup Guide Setup Mode Screen 2 Selecting Transmitters for more information Page 6 Wireless Leaf amp Soil Moisture Temperature Sta Testing Station Communications 1 If you are using a Soil Moisture sensor to test the station press the TEMP key until you see SOIL MOIST displayed on the console screen where the inside temperature is usually displayed If you are using a Leaf Wetness sensor press the HUM key until you see LEAF WET displayed where you usually see the inside humidity Both the TEMP and HUM keys will display temperatures if you are using a temperature probe to test the station e Soil temperature is displayed in the TEMP OUT location on the LCD Leaf temperature i
16. he water The reading should run right back to 0 to 5 within 1 to 2 minutes If the sensor does not pass these tests please contact Davis Technical Sup port for help in resolving the problem Extending Sensor Cable Length Both the soil moisture sensors and the temperature probes come with 15 4 6 m direct burial cables The leaf wetness sensor comes with a 40 12m cable e Leaf Wetness Sensor cables can be extended up to 200 61m using 6 conductor 26 AWG cable e Soil Moisture Sensor cables can be extended up to 1000 300m using 18 gauge waterproof cable UF insulation is recommended e Temperature Sensors can be extended up to 800 242m using 24 AWG shielded cable or up to 1200 260m using 22 AWG shielded cable e The additional wire must be fully waterproof e We recommend using a 3M Scotchpak or Duraseal heat shrink splice connector when extending the sensor cables Note Avoid long wire runs near power cables The transient currents can affect the small current used to read the sensors Contacting Davis Technical Support Troubleshooting the Sensors If you have questions about your Leaf Soil Station or encounter problems installing or operating the station please contact Davis Technical Support Note Please do not return items to the factory for repair without prior authorization 510 732 7814 Monday Friday 7 00 a m 5 30 p m Pacific Time support davi
17. iameter between 1 and 1 1 4 25 mm and 31 mm nee secure the sensor to the pipe using the 1 1 2 U bolts 1 4 flat washers and 1 4 hex nuts as shown below Usea MY NN N 7 16 wrench or adjustable wrench to tighten the hex nuts va Hex Nut va Flat Washer Mounting on a Pipe Installing Soil Moisture amp Temperature Sensors The soil acts as a reservoir to store water between irrigation or rainfall events so that it is available to the crop or plants as needed for healthy growth The purpose of using sensors to measure the soil water is to give you a better understanding of how fast water is being depleted in the different areas of your field or lawn so you can better schedule your irrigations and correctly evaluate the true effectiveness of any rainfall By monitoring the soil moisture between irrigations you will gain a more accurate picture of this process over time and develop an irrigation scheduling pattern to meet your crop s need for water This minimizes the guesswork resulting in water savings lower pumping costs and the elimination of excess leaching of nitrogen due to over irrigation While not absolutely necessary for operation we recommend that a temperature probe be installed with each soil moisture sensor This allows the soil moisture sensor s readings to be temperature compensated for better accuracy Note WATERMARK Soil Moisture Sensor information based on material supplie
18. ips and Ties Note Do not use metal staples or a staple gun to secure cables Metal staples especially when installed with a staple gun have a tendency to cut the cables Rules for Using Leaf Soil and Temperature Sensors The following station and sensor configurations are supported by the Leaf Soil Station Station Type in Number of Leaf Number of Soil Number of Console Wetness Moisture Temperature Configuration Sensors Sensors Probes LEAF SOIL Station 2 3 3 LEAF Station 2 7 2 SOIL Station 3 3 e If your station is configured as a LEAF SOIL station in your Vantage Pro console the readings for a temperature sensor installed in TEMP 1 or TEMP 2 will be displayed as both a leaf temp and a soil temp A temper ature probe installed in TEMP 3 will only be displayed as a soil temp e A station configured as a LEAF station in the console will support two leaf wetness sensors and two leaf temperature probes e Leaf temperature probes can be used as you wish to measure air water or soil temperature Leaf temperature does not affect leaf wetness read ings e A station configured as a SOIL station in the console will support three soil moisture sensors and three soil temperature probes Page 10 Wireless Leaf amp Soil Moisture Temperature Sta e If you have installed any soil moisture sensors SOIL 1 SOIL 2 SOIL 3 the corresponding temperature probes TEMP 1 for SOIL 1 etc will be
19. ke sure cables are secure by placing clips FS or ties approximately every 3 5 1 1 6 m Cable Tie Cable Clip Securing Cables with Clips and Ties Note Do not use metal staples or a staple gun to secure cables Metal staples especially when installed with a staple gun have a tendency to cut the cables Locating Sensors Be aware of the soil variations in your field or lawn The lighter soils dry very quickly heavier soils more slowly Both conditions must be considered Furrow or Flood Irrigation Sensors are usually placed about 2 3 of the way down the run just ahead of the tail or backup water This is the area where water penetra tion is usually the poorest In tree crops place the sensors on the drier side of the tree exposed to the most sun In the Northern Hemisphere this is typically the Southwest side of the tree which is exposed to the hot afternoon sun Sprinkler Irrigation Sprinkler irrigation usually provides a more uniform distribution of water to the ground surface but there can be great differences in pene tration and holding capacity due to soil type variations soil interfaces and contour Try to place your sensors in the areas where variations occur In tree crops locate sensors at the drip line In row crops locate sensors right in the plant row Be sure that sensors are not located behind obstructions such as tree limbs which would interfere with water distribution to
20. m in a clean dry location Using Soil Moisture Readings Use this table as a general guide to interpret soil moisture readings Monitoring the soil moisture readings and comparing them to your field or lawn condi tions over time will help you develop a better understanding of how to inter pret your soil moisture readings Centibar Reading Soil Condition 0 10 Saturated Soil Occurs for a day or two after irrigation 10 20 Soil is adequately wet except coarse sands which are drying out at this range 30 60 Usual range to irrigate or water except heavy clay soils Irrigate at the upper end of this range in cool humid climates and with higher water holding capacity soils 60 100 Usual range to irrigate heavy clay soils 100 200 Soil is becoming dangerously dry for maximum production Pro ceed with caution Page 18 Wireless Leaf amp Soil Moisture Temperature Sta Troubleshooting the Sensors If you are having problems with your station please check all sensor cable con nections Cable connections account for a large portion of potential problems Use these tests to verify the correct operation of your soil moisture sensor 1 With the sensor submerged in water the station should show a reading between 0 and 5 Let the sensor air dry for 30 to 48 hours Depending on ambient tempera ture humidity and air movement the reading should be 150 or over Put the sensor back in t
21. peater 7624 or 7625 to strengthen the signal or increase the distance between the transmitter and the console receiver Page 8 Wireless Leaf amp Soil Moisture Temperature Sta Testing Transmission from Proposed Location It is very important to test reception from the proposed location before perma nently mounting the Leaf Soil Station e Place the shelter at the intended mounting site or have someone hold it there so you can walk around with the console receiver for a few min utes Rotating the antenna may help to improve reception e Test wireless reception anywhere you might want to use or mount your console receiver now or in the future Take your time If you aren t pick ing up strong signals where you intend to place your console better to move the shelter now than after it has been mounted Experiment e If you have irregular terrain in the area it may interfere with the signal For example if the transmitter is mounted downhill from the console receiver the ground may block a wide angle of the transmitted signal Mounting the Leaf Soil Station Mounting on a Vertical Surface M D it 4 isi q 07 1 With a 3 16 5 mm drill bit l AN poe drill two holes approximately 2 h rel bee le T7 eo Lag 50 mm apart Use a carpenter s Ihe oo level to ensure the holes willbe l ET level f 2 Drill two more holes 7 1 32 d f below the upper
22. ro console e See Range of Wireless Transmission on page 8 e Within cable range of the sensors e Leaf Wetness Sensors come with 40 12 m of cable standard and can be extended up to 200 61m using 6 conductor 26 AWG cable Soil Moisture Sensors come with 15 4 6 m of cable standard and can be extended up to 1000 300m using 18 gauge UF cable e Temperature Sensors come with 15 4 6 m of cable standard and can be extended up to 800 242m using 24 AWG shielded cable or up to 1200 260m using 22 AWG shielded cable Range of Wireless Transmission The range of wireless transmission depends on many factors For the best reception position the transmitter shelter and your console receiver as close together as possible The maximum range is up to 400 120 m in the line of sight under optimal conditions Typical range under most conditions is 100 to 200 30 to 60 m but this may be reduced by walls ceilings trees foliage and radio frequency interference RF Cordless phones baby monitors and ham radios are common examples of devices that can cause RF interference A metal roof or other large metal structure can interfere with the signal Aluminum siding a furnace with metal ducts and your refrigerator are examples Sometimes transmission between wireless units is obscured by something you cannot identify or by some obstacle that you can t work around If necessary consider using Wireless Re
23. s displayed below the barometer reading on the LCD e If you see SOIL MOIST or LEAF WET and no number you are seeing the moisture and temperature readings for sensor pair 1 A two or three will appear above the readings for the second or third set of sensors 2 If you continue to press the TEMP or HUM key you will see the readings for sensor pairs 2 and 3 3 displayed for soil moisture and temperature only e If no sensor is installed the reading for that sensor will be dashed out 3 A soil moisture temperature or leaf wetness reading confirms communica tion between your Leaf Soil Station and the console e Disconnect the sensor s that were temporarily installed to test commu nications e Go on to Choosing a Location to Mount the Station on page 8 If your console does not show a sensor reading proceed to Trouble shooting Communication Problems Troubleshooting Communication Problems First verify that the console receiver is powered and is not in Setup Mode exit Setup Mode by pressing DONE key and holding it for a moment Then on the Leaf Soil Station check that the battery is properly installed Walk around the room with the console standing for a few moments in various locations to see if you are picking up signals If you don t see any readings no matter where you stand with the console put the transmitter in TEST mode as described below TEST mode DIP switch 4 on the SIM see illustration on page 6 is
24. snet com E mail to Technical Support 510 732 9229 For callers outside the USA or Canada 510 670 0589 Fax www davisnet com Copies of User Manuals are available on the Support page Watch for FAQs and other updates Subscribe to the e newsletter info davisnet com General e mail Page 19 Specifications Let Wetness range 0 to 15 Soil Moisture range 0 to 200 centibars Temperature range Station amp Temp Probe 40 to 150 Fahrenheit 40 to 65 Celsius Temperature range Soil Moisture Sensor 32 to 105 Fahrenheit 0 to 40 Celsius Primary power input Solar power Davis solar charger Secondary backup power CR 123A 3 volt lithium battery Wireless transmission frequency 916 5 MHz 868 35 MHz for overseas version Product includes OV Transmitter ID codes 8 user selectable License low power less than 1 mW no license required FCC Part 15 Class B Registration Warning This equipment has been tested and found to comply with the limits for a class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful inter ference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will
25. the TEST DIP switch Switch it to the ON position using a ball point pen or paper clip This puts the transmitter in Test Mode An LED indicator light will flash each time it transmits e The LED will immediately flash once to show that the light itself func tions e Then it will flash each time the transmitter broadcasts a signal which should be every 10 seconds If the LED flashes only once and then remains dark there is a problem with the transmitter See Contacting Davis Technical Support on page 19 Setting the DavisTalk Transmitter ID Page 7 If the LED flashes repeatedly but your console isn t picking up a signal anywhere in the room it could be related to one of the following causes The DIP switches were not correctly set on the transmitter e Review the procedure on page 5 e The ID was not correctly set on the console receiver e Review the procedure on page 6 e Reception is being disrupted by RF radio frequency interference e There is a problem with the console receiver See Contacting Davis Technical Support on page 19 Note Remember to turn DIP switch 4 OFF when you re finished testing wireless transmission If it is left ON the blinking LED will reduce battery life significantly Choosing a Location to Mount the Station Try to position your Leaf Soil Station as follows e With the solar panel positioned for maximum exposure to the sun e Within transmission range of your Vantage P
26. the sensor area With center pivots place sensors at 3 locations down the length of the pivot just in front of the start point Place sensors at hot spots or good production areas being sure to stay in active root zones Drip or Micro Irrigation Place sensors in the wetted area With drip emitters this is usually 12 to 18 from the emitter With micro sprinklers or sprays usually 24 to 36 from the micro sprin kler is best Installing Soil Moisture amp Temperature Sensors Page 15 Sensor Depths Sensor depth depends on the rooting depth of your crop and also depends on soil depth and texture Some crops need measurement at more than one depth AAT OE 3080900 f l Sensor depth dependent on crop rooting Gee depth soil texture Co locate temperature probes and depth p sae p moisture sensors Sensors must be located in the effective root system of the crop e With shallow rooted less than 12 vegetable crops one depth may be adequate e Deeper rooted row crops small grains vines and trees need to be mea sured in at least two depths e With deep well drained soils crops generally root deeper if moisture is available e With coarse shallow or layered soils root systems may be limited in depth e Guidelines on proper depths for specific crops and conditions can be obtained from your local farm advisor Installation Pro

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