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WeatherTracker 300 

Degree Day Traker 

PRODUCT MANUAL 

Item # 3500 

 

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Summary of Contents for WatchDog 3500

Page 1: ...1 WeatherTracker 300 Degree Day Traker PRODUCT MANUAL Item 3500 ...

Page 2: ...ur instrument For customer support or to place an order call Spectrum Technologies Inc 800 248 8873 or 815 436 4440 between 7 30 am and 5 30 p m CST FAX at 815 436 4460 E Mail at info specmeters com General Overview 3 Specifications 4 Station Installation 5 Meter Operation 6 Getting Started 7 Archives 11 Screens 12 Degree Days Chill Hours 14 Warranty 15 ...

Page 3: ...creen The internal electronics calculate Growing Degree Days GDD for up to three degree day counters For example one counter can be activated at planting while another can track the development of insects The sta tion also calculates Chill Hours which is the total amount of hours during which temperatures have been below a specified low temperature The arrow keys allow you to scroll through the se...

Page 4: ...nfall maximum of 2 per hour 4 365 Temperature Rainfall 22 to 212 F 30 to 100 C maximum of 2 per hour 1 F 0 7 C 4 Specifications The air temperature sensor has a measurement range of 4 to 158 F 20 to 70 C and an accuracy of 1 F 0 7 C The ranges and accuracies for the applicable external sensors are listed in the following table ...

Page 5: ...ast to size plan on placing 1 2 of the mast into the ground It can also be mounted to a wooden post with the screws that are provided The radiation shield pro tects the temperature sensor from solar radiation and other sources of reflected heat If other sensors are included secure the sensor wires to the mast just below the display module with a plastic tie This will make the wires less vulnerable...

Page 6: ...essed by removing the face plate fig 2 The cover may be difficult to remove Exer cise care when replacing the plate to ensure the buttons are not damaged When replacing or reinstalling the battery the time and date must be reprogrammed see Setting Date and Time p 6 The Current Conditions screen is updated every 20 seconds Meter Operation Figure 2 WeatherTracker Battery Compartment ...

Page 7: ...play will revert to the Current Val ues screen see Screens p 12 Install Battery see Meter Operation pg 5 for in structions on installing the battery Setting Date and Time 1 Press Display 2 Press Set 3 Press the down arrow key once to reach the Time Date screen 4 Press Set 5 Press Set 6 Enter the month using the arrow keys 7 Press Set 8 Enter the day Select Parameter To Be Set TIME DATE Press SET 0...

Page 8: ...red units 5 Press Set DISPLAY UNITS Press SET 9 Press Set 10 Enter the year 11 Press Set 12 Enter the hour 13 Press Set 14 Enter the minutes 15 Press Set 16 Enter AM or PM 17 Press Set Setting Display Units If the display is off press Display to turn it on 1 Press Set Select Parameter To Be Set ...

Page 9: ...hoose the upper temperature limit using the arrow keys 12 Press Set Counter DISABLED BASE 55 UPPER 55 Setting Degree Day Counters Caution Be careful when entering a parameter update screen for a degree day counter when that counter is enabled If the Set key is pressed the counter status will become modifiable and the archives WILL BE ERASED If this is not desirable press one of the ar row keys ins...

Page 10: ...keys instead of the Set key to exit the screen If the display is off press Display to turn it on 2 Scroll to the Chill Hour screen 3 Press Set 4 The counter will say DISABLED 5 Press Set 6 Use arrow keys to scroll to Start Now option This will start the degree day counter The other option is DISABLED 7 Use arrow keys to scroll to BASE 8 Press Set 9 Choose base temperature using the arrow keys 10 P...

Page 11: ...ttery is replaced After using the arrow key to select a certain day from the Daily Archive the WeatherTracker will then cycle through all the information stored for that day This will include a screen with the high and low tempera tures for that day any active degree day counters and the average readings for any sensors connected to the device If a currently active Degree Day Counter was not activ...

Page 12: ... Alert This screen shows the current air temperature and status of the leaf wetness sensor Dry or Wet and the cumulative number of hours for the day The current temperature on this screen is 74 F The leaf wetness sensor is wet and there is a total number of 5 leaf wet ness hours for the day Daily High and Low Values Air Temp 74o F Leaf Wet Hours 05 This screen shows the high and low temperature fo...

Page 13: ... has accumlated 16 Degree Days DD for today s date and has accumulated 2125 since the counter was started or reset on July 3 Time Date Battery Level This screen shows the current date time and battery strength The current date is 09 08 02 and the time is 07 09 PM The battery is at 90 09 08 02 07 09PM BATTERY AT 90 DD 1 50 86o 16 Since 07 03 2125 ...

Page 14: ...cide rec ommendations The WeatherTracker calculates Degree Days using the integral method Degree Day values are calculated at 15 minute intervals to produce Degree Quarter Hours DQH which are then summed over a full day DQH are calculated as follows DQH Tavg Tbase Where Tavg is the average temperature over the 15 minute interval and Tbase is the base temperature If the average temperature is great...

Page 15: ... to protect the cable from rodents Attach the cable to the mounting mast below the Weather Tracker using the wire tie supplied This will ensure that the sensor cable does not become unplugged by pests or strong winds If you have questions on sensor placement for your particular purpose and or geological area contact your cooperative extension agricultural agent for further suggestions on field pla...

Page 16: ...se lightning negligence accident or unau thorized modifications or to incidental or consequential damages be yond the Spectrum product Before returning a failed unit you must obtain a Returned Materials Authorization RMA from Spec trum Spectrum is not responsible for any package that is returned without a valid RMA number or for the loss of the package by any ship ping company 12360 S Industrial D...

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