DAVIS Weather Monitor II User Manual Download

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EATHER

ONITOR

WNER

’

ANUAL

Product # 7440

Summary of Contents for Weather Monitor II

Page 1: ...W E A T H E R M O N I T O R I I OWNER S MANUAL Product 7440...

Page 2: ...irements of the EC EMC Directive 89 336 EC Davis Instruments Corp 2000 All rights reserved Weather Monitor II and WeatherLink are registered trademarks of Davis Instruments Corp Macintosh is a registe...

Page 3: ...9 Testing the Anemometer 9 Testing the External Temperature Sensor 9 INSTALLING THE STATION 10 Installing the Anemometer 10 Installing the External Temperature Sensor 12 Mounting the Junction Box 13...

Page 4: ...anging Calibration Numbers 37 Resetting Calibration Numbers to Default 38 TROUBLESHOOTING GUIDE 39 Console Tips 39 Temperature Tips 40 Humidity Tips 41 Wind Tips 41 Wind Chill Tips 41 WARRANTY AND REP...

Page 5: ...riate manual If you have a non standard station e g Wireless or EZ Mount please refer to the separate installation manual provided before continuing with this installa tion SYSTEM COMPONENTS Your Weat...

Page 6: ...option for all your sensors Includes posi tioning for anemometer external temperature or temperature humidity sensor with Radiation Shield and Rain Collector with Rain Collector Shelf Radiation Shield...

Page 7: ...ement or similar adhesive or glue for gluing plastic Note that we do not recommend the use of super glue type products Optional Tools and Materials 9 volt alkaline battery to be used as backup power s...

Page 8: ...hazardous If you are uneasy about installing your unit please have a qualified professional complete the installation Davis specifi cally disclaims any liability for injury or loss resulting from the...

Page 9: ...p power supply In the event of a power outage the battery will power the station Not only will this prevent the loss of stored data in the console but will also allow you to continue observing weather...

Page 10: ...he battery first can cause the console to lock up Once the console is powered up install the backup battery as shown below Note When the unit is operating on battery power the digits on the right side...

Page 11: ...uld slide easily through the holes 3 Secure as shown below To Attach the Drip Rings to the Wind Vane and Anemometer Arm The drip rings protect against icing of the wind vane and wind cups If you do no...

Page 12: ...talling the drip ring reattach the wind vane and wind cups to the anemometer For details consult your station or anemometer manual To Attach the Wind Cups to the Anemometer Arm 1 Push the wind cups on...

Page 13: ...get a speed reading other than 0 on the compass rose in the console display If you do not loosen the set screw and move the wind cups slightly up or down on the shaft until you get a reading other th...

Page 14: ...e the roof line You can do this by mounting the anemometer on your television antenna or on a raised piece of wood or metal pipe We have included the hardware most commonly needed for the installation...

Page 15: ...base and around the metal mast or pipe To Attach the Wind Vane To mount the wind vane you will need to look at the console display You may wish to have a friend or family member on the ground do this...

Page 16: ...is secure by placing clips or ties approximately every 3 5 feet 1 1 6 m Note Do not use metal staples or a staple gun to secure the cable Metal staples especially when installed with a staple gun hav...

Page 17: ...to secure the cable Metal staples especially when installed with a staple gun have a tendency to cut the cables MOUNTING THE JUNCTION BOX The junction box may be installed either indoors or outdoors T...

Page 18: ...e is not weather resistant If installed outdoors the console should be mounted inside a weather proof shelter e g the Multi Purpose or Complete System Shelter The console will operate between 5 and 14...

Page 19: ...ainst the wall and use a pencil to mark the location of the two keyholes 2 Use an electric drill with a 36 or 2 5 mm drill bit to make pilot holes in these loca tions 3 Using a screwdriver drive the t...

Page 20: ...ccidentally skip past a digit or only want to change certain digits simply press and release ENTER until the desired digit is flashing 6 Press any key or wait four seconds without pressing ENTER to sa...

Page 21: ...for many of its functions Highs and lows are maintained until you manually clear the entries or until power is interrupted Depending on how often you clear highs and lows you can track daily weekly m...

Page 22: ...minutes by a colon The date is displayed with the month on the left separated from the day by three vertical dots The symbol MO DAY appears To Display the Current Time and Date 1 To display the time...

Page 23: ...ey to exit To Change the Date 1 Press TIME once or twice to select the date 2 Use ENTER to set the correct date see Using the Enter Key on page 16 for instruc tions 3 Press any key to exit To Use the...

Page 24: ...F or C as desired 3 Press RECL to display the high After a few seconds the display will show the time the high was recorded and then the date it was recorded 4 Press RECL again to display the low Aft...

Page 25: ...d speed readings on the right side of the display and in the compass rose will always be in the same unit of measure The Weather Monitor II also records the highest wind speed at your location About W...

Page 26: ...UNITS again Note When you change resolution the word HIGH or LOW appears in the display so you know what resolution you have changed to Once you have selected a resolution the word HIGH or LOW disapp...

Page 27: ...r C in increments of 1 The Weather Monitor II also records the lowest wind chill reading at your loca tion To Display the Current Wind Chill Press WIND CHILL The current wind chill and the words WIND...

Page 28: ...of mercury MM or millibars MB Atmospheric pressure and barometric pressure also varies with local weather conditions Falling pressure is associated with deteriorating weather while ris ing pressure i...

Page 29: ...metric pressure see Using the Enter Key on page 16 for instructions Note When you enter barometric pressure in millibars there is a fifth digit a 1 at the far left This number changes first when you b...

Page 30: ...d then the date it was recorded 4 Press any key to exit STORED BAROMETRIC PRESSURE To Store a Barometric Pressure 1 Press BAR 2 Press RECL to display the stored barometric pressure 3 Press CLEAR The d...

Page 31: ...ation The amount of water vapor in the air also influences how we perceive temper ature Humid days feel hotter because water vapor slows down the natural cooling processes of the human body A measurem...

Page 32: ...Humidities 1 Press HUM once or twice to select inside or outside humidity as desired 2 Press RECL once or twice to select the high or low humidity as desired 3 Press CLEAR and hold it down The display...

Page 33: ...an be dis played in either F or C in increments of 1 The Weather Monitor II also records high and low dew points and has a spe cial dew point alarm to alert you when temperature comes within 2 F 1 C o...

Page 34: ...s within 2 F 1 C of dew point Refer to the booklet included with the External Temperature Humidity Sensor for instructions on using the dew point alarm Alarm Conditions On all high alarms the alarm is...

Page 35: ...ress UNITS to select the desired unit of measure 3 Press ALARM until the alarm setting you desire appears on the display 4 Use ENTER to set the alarm see Using the Enter Key on page 16 for instruction...

Page 36: ...Therefore setting the alarm to 0 04 inches means that the alarm will sound if the barometric pressure changes rises or falls by 0 04 inches 1 mm or 1 4 mb in any hour long period This alarm is checked...

Page 37: ...he low inside temperature high outside temperature or low outside temperature alarms You must clear each alarm individually TOTAL CLEAR The total clear function automatically clears all of the high an...

Page 38: ...below Current High and Low Inside Temperature Current High and Low Outside Temperature Current and High Wind Speed Current Wind Direction Current and Low Wind Chill Daily and Accumulated Rainfall Curr...

Page 39: ...appear during the pre programmed scan rou tine not in the order you entered them To Clear a Customized Scan Routine Press SCAN then ENTER then SCAN again To Change the Customized Scan Routine To chang...

Page 40: ...a metric rain collector INSIDE AND OUTSIDE TEMPERATURE Change CAL if you wish to adjust the Weather Monitor II so that is reads the same as another thermometer Note that there are individual CAL numbe...

Page 41: ...the console accurately converts rainfall amounts regardless of the type of rain collector you use CHANGING CALIBRATION NUMBERS 1 Press the appropriate key e g TEMP RAIN etc to display the reading who...

Page 42: ...down all highs lows and daily rainfall These values will be lost and cannot be restored 3 Remove the battery if applicable and unplug the power adapter from the console All power must be removed from...

Page 43: ...k to be sure the power adapter has not come unplugged from the console or outlet If power is interrupted battery may be installed incorrectly Check and re install Battery may be run down or old Replac...

Page 44: ...adapter into a computer grade surge protector to help avoid this problem TEMPERATURE TIPS Outside temperature seems too high Move external temperature sensor out of direct sunlight Check calibration n...

Page 45: ...fully check areas where the cable has been secured If you still do not get a reading the problem is probably with the anemome ter Call factory for return authorization Wind speed reading seems too hig...

Page 46: ...sidential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc tions may cause harmful interference to radio c...

Page 47: ...d Cups Range 3 to 175 mph 5 to 282 km h 3 to 150 knots 1 to 67 m s Accuracy 2 mph 3 km h 2 knots 1 m s or 5 whichever is greater Wind Chill Range 134 to 98 F 92 to 37 C Accuracy 2 F 1 C Rainfall Daily...

Page 48: ...3465 Diablo Avenue Hayward CA 94545 2778 510 732 9229 Fax 510 732 9188 E mail info davisnet com www davisnet com...

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