ECOWITT HP3501 Page 8 Operation Manual Download

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3.2 Indoor sensor:

Figure 3: Indoor sensor 3 display variations

The indoor sensor will display indoor temperature, humidity and barometric
pressure alternately. The sensor will use US or metric units, as appropriate
for the locale where the unit was sold.

Summary of Contents for HP3501

Page 1: ... to stream data from the weather station to Internet based weather services This manual will guide you step by step through setting up your weather station and console and understanding the operation of your weather station Use this manual to become familiar with your professional weather station and save it for future reference Note The stainless steel pole for the wireless anemometer is not incl...

Page 2: ... 2 5 Mount assembled wireless anemometer sensor 16 4 2 6 Reset Button and Transmitter LED 18 4 3 RAIN GAUGE SENSOR SET UP 19 4 3 1 Install rain gauge filter 19 4 3 2 Install Rain Collector Top 20 4 3 3 Install Batteries in rain gauge sensor 21 4 3 4 Mounting 21 4 4 INDOOR SENSOR SET UP 23 4 4 1 Sensor Placement 24 4 5 OUTDOOR TEMPERATURE AND HUMIDITY SENSOR OPERATION 25 4 6 BEST PRACTICES FOR WIRE...

Page 3: ...RY MODE 43 5 9 DISPLAY MODE FOR OPTIONAL SENSOR S 44 5 9 1 Sensor management mode for optional sensors s 46 5 9 2 Graph mode for optional sensors s 47 6 OTHER CONSOLE FUNCTIONS 48 6 1 HISTORICAL DATA STORAGE 48 6 2 BEAUFORT WIND FORCE SCALE 48 7 PUBLISHING TO INTERNET WEATHER SERVICES 50 7 1 WI FI CONNECTION FOR THE WEATHER STATION CONSOLE 51 7 1 1 Configure Device Connect your console with WIFI 5...

Page 4: ... SETUP FUNCTIONS 67 8 2 1 Basic Settings 68 8 2 2 Alarm Settings 68 8 2 3 Calibration Settings 69 8 2 4 Rain Totals 70 8 3 RECORD AND RECORDING FUNCTIONS 71 8 3 1 Max Min 72 8 3 2 SDCard File 73 9 MAINTENANCE 75 10 TROUBLESHOOTING GUIDE 77 11 GLOSSARY OF COMMON TERMS 82 12 SPECIFICATIONS 85 13 WARRANTY INFORMATION 87 ...

Page 5: ...2pcs set 2 Set Threaded nuts for U Bolts M5 size 4pcs set 2 Set Metal mounting plate to be used with U Bolts 1pcs set 1 Stainless steel tube for mounting the rain gauge sensor 1 Wrench for M5 bolts 1 Stainless steel filter for rain gauge collector 1 AC adapter 1 User manual this manual Table 1 Package content If components are missing from the package or broken please contact customer service to r...

Page 6: ...he RF reception in the console when placed too close to the console Please keep the console display at least 2 ft or 0 5 m away from the power adapter to ensure best RF reception from the outdoor sensor package Note There are two sets of U bolts in the box one is for the wireless anemometer sensor and the other one is for the rain gauge sensor There s a short stainless steel tube included for the ...

Page 7: ...7 3 Overview 3 1 Display console Figure 1 Display console screen Figure 2 Display console side views DC Connector microSD Card USB Port ...

Page 8: ...e 3 Indoor sensor 3 display variations The indoor sensor will display indoor temperature humidity and barometric pressure alternately The sensor will use US or metric units as appropriate for the locale where the unit was sold ...

Page 9: ... the current wind direction and blue dot icon for the previous wind direction on the compass Absolute and Relative barometric pressure Rainfall rate and totals for day week month and year Calculated wind chill dew point and heat index display Solar light intensity and UV index Selectable display units for each sensor C or F temperature mph km h m s knots or Beaufort wind speed inHg hPa or mmHg pre...

Page 10: ...derground com https www weathercloud com https www wow com Custom own server data hosting possible when server data exchange is compatible with either Wunderground or Ecowitt protocol Mobile application WS View Configure the console to Wi Fi network View WU Dashboard data obtained from the Weather Underground server Data storage service on Ecowitt server https ecowitt net Stores data for past year...

Page 11: ...sing the console The errant values may be hard to remove from Internet services if you do not reset first Attention Follow suggested order for battery installation outdoor sensor first console second Ensure batteries are installed with correct polarity Do not mix old and new batteries Do not use rechargeable batteries If outdoor temperature may go below 32F or 0C for prolonged periods Lithium base...

Page 12: ...ted level to the ground away from any horizontal surface that can introduce rain splashing or surrounding snow buildup Reference https www weather gov media epz mesonet CWOP Siting pdf 4 2 Wireless Anemometer Sensor Assembly See Figure 6 to locate and understand all the parts of the wireless anemometer with UV light sensors package once fully assembled Figure 6 Sensor assembly components ...

Page 13: ...e in Figure 7 has four holes through which the ends of the two U Bolts will fit The plate itself is inserted in a groove on the right bottom of the unit Note that one side of the plate has a straight edge which goes into the groove the other side is bent at a 90 degree angle and has a curved profile which will end up hugging the mounting pole Once the metal plate is inserted remove nuts from the U...

Page 14: ...ore likely to lead to damage 4 2 2 Install wind vane Push the wind vane onto the shaft on the bottom side of the sensor package until it goes no further as shown on the left side in Figure 9 Next tighten the set screw with a Philips screwdriver size PH0 as shown on the right side until the wind vane cannot be removed from the axle Make sure the wind vane can rotate freely The wind vane s movement ...

Page 15: ... shaft on the opposite side of the wind vane as shown in Figure 10 on the top side Tighten the set screw with a Philips screwdriver size PH0 as shown on the right side Make sure the cup assembly can rotate freely There should be no noticeable friction when it is turning Figure 10 Wind speed cup installation diagram ...

Page 16: ...ould be OK Figure 11 Battery installation diagram Note If LED does not light up or is on permanently make sure the battery is inserted the correct way and inserted fully starting over if necessary Do not install the battery backwards as it may permanently damage the outdoor sensor Note We recommend Lithium batteries for cold weather climates but alkaline batteries are sufficient for most climates ...

Page 17: ... after outdoor mounting they are almost certainly related to distance obstacles etc 4 2 5 2 Mounting You can attach a pole to a permanent structure and then attach the sensor package to it see Figure 12 The U Bolts will accommodate a pole diameter of 1 2 inches pole not included Figure 12 Sensor package mounting diagram Make sure the mounting pole is vertical or very close to it Use a level if nee...

Page 18: ...t sensor in the most advantageous position for recording solar radiation and charging internal capacitors Secondly it causes a zero reading for wind direction to correspond to due NORTH as is customary Make sure the sensor package is installed vertically If it is not wind direction and speed readings may not operate correctly or accurately Adjust the mounting pipe as necessary Make sure you check ...

Page 19: ... Rain collector top 4 Battery door 2 LED Indicator 5 Screw hole 3 Bubble level 6 U bolt install hole Table 3 Sensor assembly detailed items 4 3 1 Install rain gauge filter There s a stainless steel filter included in the package It s aimed to stop leaves or bird s dropping to avoid the obstruction of the cone hole The installation is as simple as the below figures show ...

Page 20: ...allation diagram 4 3 2 Install Rain Collector Top Align the rain collector top with the rain bucket pay attention to the lock groove position as shown on the left side in Figure 14 Next lock the top clockwise to the lock groove position as shown on the right side until the top cannot be removed from the bucket Figure 14 Rain collector top installation diagram Take out the filter hook from the edge...

Page 21: ... can always remove the batteries and start over but if you see the flash once every 49 seconds everything should be OK Note If no LED light up or is lighted permanently make sure the battery is inserted the correct way or a proper reset is happened Do not install the batteries backwards You can permanently damage the outdoor sensor Lithium batteries are recommended for the best performance We do n...

Page 22: ...eturn here for outdoor mounting If issues show up after outdoor mounting they are almost certainly related to distance obstacles etc Mount with U bolts The mounting assembly includes two U Bolts and a bracket that tightens around a 1 to 2 diameter pole package included a D32 H200mm stainless steel tube using the four U Bolt nuts Figure 16 Rain gauge sensor mounting with u bolts installation diagra...

Page 23: ...t Up Note To avoid permanent damage please take note of the battery polarity before inserting the batteries Looking at Figure 18 from left to right the left most or bottom battery is to be installed with its terminal pointing down and the other battery with its terminal pointing up Remove the battery door on the back of the sensor by sliding it in the direction of the arrow Insert two AA batteries...

Page 24: ...ture readings The sensor is meant to provide indoor conditions for display on the console but if you would rather have a second source for outdoor conditions instead you can mount this unit outside The unit is weatherproof but besides heeding the placement instructions above you should also attempt to mount the unit under cover eve or awning or similar To mount or hang the unit on a wall or wood b...

Page 25: ...re and Humidity Sensor Operation The operation for the outdoor temperature and humidity sensor is similar with the indoor sensor 4 6 Best Practices for Wireless Communication Wireless RF communication is susceptible to interference distance walls and metal barriers We recommend the following best practices for trouble free wireless communication between both sensor packages and the console Indoor ...

Page 26: ... no interference barriers or walls but in most real world scenarios including a wall or two you will be able to go about 100 feet Metal Barriers Radio frequency will not pass through metal barriers such as aluminum siding or metal wall framing If you have such metal barriers and experience communication problems you must change the placement of sensor package and or console The following table sho...

Page 27: ...re Multichannel Temperature optional 16 WU Icon 6 Outdoor Humidity Multichannel Humidity optional 17 Last lightning strikes detected time distance daily count optional 7 UV index 18 Sensor battery power status icon 8 Multichannel temp and humidity cyclemode icon 19 Sensor signal icon 9 Rainfall 20 Time and Date 10 Solor Radiation 21 High Alarm icon 11 PM2 5 concentration optional 22 Low Alarm icon...

Page 28: ...it will display current sensor values and start Wi Fi connect mode In Wi Fi connect mode the Wi Fi signal icon will blink on and off and the unit will attempt to connect to a previously configured Wi Fi network If the network is not found or none has been configured yet it will stay in Wi Fi connect mode 4 7 2 Key functions Figure 21 Buttons around the display There is a set of four keys on the bo...

Page 29: ...or various setup options hold the button for 5s will enter calibration mode while in display mode for optional sensor s TEMP Switch between display of outdoor temperature and humidity or display of feels like temperature and dew point temperature or display of multichannel temperature and humidity when optional WH31 sensor s added also functions as a or decrease button while in setup mode hold the...

Page 30: ... of each button is depicted graphically with a symbol directly above the hardware button Typical functions are NEXT indicated with a right arrow PREVIOUS indicated with a left arrow and and 5 1 Normal mode Normal mode is the most often used mode It is used to display most current sensor information for quick inspection Information is displayed in several rectangular shaped areas Some of these area...

Page 31: ...button to alternate the display between Rain rate amount of rainfall accumulated in the past 60 minutes Rain day amount of rainfall accumulated since midnight Rain week amount of rainfall accumulated since the start of the week The week starts when Sunday begins and ends exactly 7 days later Rain month amount of rainfall accumulated since the start of the current month Rain year amount of rainfall...

Page 32: ...MP button to move to the next or previous setting indicated by a right arrow above the button The selected setting will be highlighted in yellow Press the RAIN button to change the settings for the selected item For some items you will now be able to change its value for others when labeled Setup you will enter a sub menu that again allows you to select a specific item first Use the RAIN and TEMP ...

Page 33: ... Turn off backlight Use next button to move between controlling hours or minutes and use and buttons to changes the values Current brightness Use and buttons to change brightness level indicated by the size of the yellow bar Use a single press of MENU to go back to the Setup menu or a long press to go back to normal mode 5 2 2 Data Units In the data unit sub menu you can change settings for the fo...

Page 34: ... speeds 1 or lesser speeds 1 Solar radiation Register light in greater amounts 1 or lesser amounts 1 UV Register UV radiation in greater amounts 1 or lesser amounts 1 This gain is initially set to 1 and cannot be changed Lux conversion factor This is not a gain for a sensor but rather a conversion factor Conversion from w m2 to lux and vice versa needs to take into account the wavelength of the li...

Page 35: ...as appropriate either before the time or after the time The last format uses a 24 hr clock system 5 2 8 Date Format The Date Format setting controls how dates are displayed Press the button repeatedly to select between DD MM YYYY YYYY MM DD and MM DD YYYY 5 2 9 Date and Time The Date and Time setting can be used to manually set the time and it can be used to set the console s time zone and whether...

Page 36: ...ions without missed ones Register the sensor when offline Enable or disable the sensor Here s the signal icon and battery icon instruction ICON Color Item Description Signal White No sensor data received Signal Green Display signal strength Battery Blank No sensor data received sensor body Battery Green Display battery power condition Battery Red Display low battery alert Note When it displays 0xf...

Page 37: ...more to make rapidly repeating large changes In the following buttons will sometimes be referred to as just next previous or if that is their function In all cases you will change the value that would be displayed to a new value So if you have determined through a reference instrument for example that temperature is indicating 0 2F too high you will select it and the page will display the temperat...

Page 38: ...djusting both pressures The method assumes that you have an official airport sufficiently nearby to act as a reliable reference Usually distances of up to 25 miles work reliably but this is not always true and depends on geography We start by assuming that your station s absolute pressure reading is correct and needs no offset correction The procedure below assumes you are starting from the consol...

Page 39: ...rection tables can be found on line in many places One example is the table found at the web site at https novalynx com manuals bp elevation correction tables pdf Locate your elevation in the first column and read the correction in the third column This table however is rather coarse making it hard to be precise An alternative is an on line calculator such as the one found here http www csgnetwork...

Page 40: ...essure is 1022 9 1019 1 3 8 hPa different from the reference source 9 Since we assumed the absolute pressure measured was correct and we presumably calculated the elevation related offset correctly we must conclude that the absolute pressure was not correct after all It appears to be 3 8 too high so we ll now enter a correction of 3 8 in the settings for ABS Barometer until it reads a value 3 8 hP...

Page 41: ... In ALARM mode you can activate alarms that will alert you to the presence of alarmingly high or low sensor values From normal mode you can enter alarm mode by pressing the MENU key three times to get to the Indoor alarms page or four times to get to the Outdoor alarms page When an alarm condition is met the alarm will sound a loud beep and the alarm icon will flash on the top of the display Press...

Page 42: ...from normal mode The page displays maximum and minimum values encountered and the time and date of such for the following sensor values Indoor temperature Indoor humidity Outdoor temperature Outdoor humidity Dew point temperature Feels Like temperature The values are for observation only and cannot be changed 5 6 Other Max Min Mode The Other Max Min page can be entered from the Temperature Max Min...

Page 43: ... mode by repeatedly pressing the MENU key Use the GRAPH or TEMP button to move to the next or previous option indicated by a right arrow above the button The selected option will be highlighted in yellow Press the RAIN button to change or activate the selected option In all cases you will next be asked if you want to proceed with the chosen action answering Yes or No by using the next and previous...

Page 44: ...ge Currently cannot be changed but future versions may allow choice of other languages Reconnect Wi Fi Disconnects the console from the Wi Fi network and then lets it reconnect using the already configured network name and password This should rarely be necessary but might be useful after you have moved the console or Wi Fi access point and want to check the console is able to re connect Wi Fi Res...

Page 45: ...45 Note 1 In optional sensor s display mode hold the RAIN button for 5s will ...

Page 46: ...ill enter the calibration mode 3 For the calibration setting of each kind of sensor please refer to the corresponding sensor manual on our website 5 9 1 Sensor management mode for optional sensors s In each optional sensor s display mode hold the TEMP button for 5 seconds will enter sensor management mode ...

Page 47: ...er condition 1 4 bars means 1 4 successful successive signal receptions without missed ones Register the sensor when offline Enable or disable the sensor 5 9 2 Graph mode for optional sensors s In each optional sensor s display mode hold the GRAPH button for 5 seconds will enter graph mode ...

Page 48: ... should be formatted in MS DOS FAT format before inserting it in the slot Most cards come pre formatted this way Insert the card and press with your finger until you feel a slight click A correctly installed card will be almost flush with the console housing protruding by one or two finger nail thicknesses 6 2 Beaufort Wind Force Scale If you have selected the use of Beaufort wind speed units you ...

Page 49: ...9 9 km h 6 String breeze 31 38 mph or 49 9 61 2 km h 7 Near gale 38 46 mph or 61 2 74 1 km h 8 Gale 46 54 mph or 74 1 86 9 km h 9 Strong gale 55 63 mph or 88 5 101 4 km h 10 Storm 64 73 mph or 103 117 5 km h 11 Violent storm 74 mph and above or 119 1 km h and above 12 Hurricane Table 7 Beaufort wind force scale ...

Page 50: ...vice that allows you to send and view your weather station data real time view graphs and gauges import text data for more detailed analysis and use iPhone iPad and Android applications available at Wunderground com Weather Underground is a subsidiary of The Weather Channel and IBM WOW http wow metoffice gov uk WOW is a UK based weather observation website Weather Cloud https weathercloud net Weat...

Page 51: ...revent this is to follow all instructions except to use an incorrect password on purpose Then after final outdoor installation come back and change the password after clearing console history That will start uploading to the services with a clean slate 7 1 1 Configure Device Connect your console with WIFI The console can function as an independent Wi Fi access point during Wi Fi configuration This...

Page 52: ...ss function for this application please go to your mobile device settings page and configure it as on The application needs your location to configure weather services 4 Press Configure New Device This may be automatic on the very first use of the application 5 Tap on the appropriate device type and select Next Follow the prompts 1 Figure 22 6 Confirm Wi Fi configuration mode is active as prompted...

Page 53: ... few messages about connecting to the console and configuring it The Wi Fi icon on the console should now no longer be flashing and display steady 10 Your mobile device should have been returned to your normal Wi Fi network setting and the page will automatically jump to Upload page If not successfully please contact the customer service resolve the issue 7 2 Adding weather services You may have c...

Page 54: ...e Ecowitt Weather server to monitor and record your sensors data Configure as follows On the ecowitt net uploading page enable the ON button displayed blue and set the uploading interval time Copy the MAC address will be used to add the device on the server later ...

Page 55: ...ress You may add a shortcut to the ecowitt net website on the home page of your phone so that you can visit it just like an app 7 2 2 Viewing data on ecowitt net You can observe your sensor s data by using the ecowitt net web site You will use a URL like this one where your station ID replaces the text STATIONID https www ecowitt net home index id STATIONID Note If you want to share your station d...

Page 56: ...56 Dashboard Graph display ...

Page 57: ...57 List display Weather Map ...

Page 58: ...t and register a new personal weather station You may do so on the Wunderground uploading page in the WS View application Press Register at Wunderground com and finish the registration on the page 1 Visit Wunderground com and click Join as the right top arrow indicates and select the Sign up for free option ...

Page 59: ...59 2 Click More and select Add Weather Station to register your station Click verify location and fill out the form Note You may choose other when selecting device hardware ...

Page 60: ...ssword that will be generated for you Back to the app and input the Station ID and Key Press Save Back to the Menu page and select WU Dashboard for Android version or select your station on the Stations for iOS version You ll see the current WU data including graphs on the screen within hours Figure 25 ...

Page 61: ...wunderground com web site You will use a URL like this one where your station ID replaces the text STATIONID http www wunderground com personal weather station dashboard ID ST ATIONID It will show a page such as this where you can look at today s data and historical data as well There are also some very useful mobile apps The URLs provided here go to the Web version of the application pages You ca...

Page 62: ...om your neighborh ood id906099986 Weather Underground Forecast iOS and Android application for forecasts https itunes apple com us app weather underground forecast id486154808 https play google com store apps details id com wunderground android w eather hl en ...

Page 63: ...WS Weather Station Monitor View weather conditions in your neighborhood or even right in your own backyard Connects to wunderground com https itunes apple com us app pws weather station monitor id713705929 ...

Page 64: ...t Device List to view all your devices You can press your device to view or modify the settings Figure 26 Note This function requires that your phone and the console is using the same network 7 6 Manage Wunderground You can add or delete WU Station ID by selecting Manage Wunderground on the submenu ...

Page 65: ...65 Figure 27 7 7 Unit Settings You can set your desired display units by selecting Unit Settings on the submenu Figure 28 ...

Page 66: ... downloading install the software by decompressing the archive named EasyWeather2 Setup You will then have a file called EasyWeather2 setup located inside a folder with that same name Double click it to start installation 8 1 1 Connect the display console to the PC The console must be connected to the PC using the USB cable After connecting the USB cable to the console port and then the PC launch ...

Page 67: ...67 Figure EasyWeather2 main screen 8 2 Setup Functions Setup functions are reached via the Setup menu Each of the different setup categories will be discussed in the next sections Figure Setup menu ...

Page 68: ...es how often current sensor values are written to the SD card inserted in the console if you indeed have inserted a card there This setting can only be changed through the PC software Recordings are made as lines in CSV Comma Separated Values files stored on the SD card The console will switch to new files every so often so that files do not grow beyond a reasonable size 8 2 2 Alarm Settings Alarm...

Page 69: ... the value s in the respective input fields and use the checkbox es to enable or disable specific alarms 8 2 3 Calibration Settings Calibration Settings allow you to change calibration settings for the sensors These are the same settings that you can also change in the console itself see section 5 2 3 ...

Page 70: ...caused 0 3 to be added 3 times 0 1 So here you will see a value of 0 3 The Absolute Pressure offset will be added to the value of the pressure sensor in the console to determine the absolute pressure ABS that will be displayed The Relative Pressure offset will be added to the displayed absolute pressure ABS to determine the displayed relative pressure REL This offset typically corresponds to the e...

Page 71: ...tely reflected in the console 8 3 Record and recording functions You can access maximum and minimum temperatures as recorded in the console or data in accumulated historical records stored on the SD card if you have one inserted through the Record menu Figure Record menu ...

Page 72: ...e extremes are across the entire usage lifetime of the weather station or since the last reset whichever is shorter Figure Max Min screen The screen also offers a Clear button When pressed all maximum and minimum values will be forgotten and new maxima and minima will only be collected from sensor data collected from this point forward ...

Page 73: ...in recorded data Select the file you are interested in by clicking on it and then pressing the Export button If you wish to delete the file press the Delete button instead Before really deleting the file you will be asked to confirm Selecting a file will show the data from the file in tabular format to the right of the file name column You can see a time stamp for each row followed by individual s...

Page 74: ...ticular file you can press the Graph button to see the data in graphical format The Graph screen will come up but a graph will not yet be drawn You first must select that time range in Start and End Time and then press Select You can also use the pop up menu to the right of start and end time to determine what kind of data will be graphed ...

Page 75: ...on Clean Rain Gauge Check the rain gauge every 3 months Rotate the funnel counter clockwise and lift it up Clean the funnel and bucket with a damp cloth to remove any dirt debris and insects Spray the array lightly with insecticide if there s a bug infestation Figure Rain gauge maintenance ...

Page 76: ...g Batteries Regularly Batteries of the outdoor sensor array need to be replaced every 1 2 years for environmental friendly In serious environments check the batteries every 3 months and apply a corrosion preventing compound not included on the battery terminals for protection To Prevent Snow build up In snowy days use anti icing silicon spray on the top of the weather station to prevent snow build...

Page 77: ...ou may have a defective unit Make sure you have fresh batteries in the display console If the batteries may have been changed in the remote and or the console and the console has not been reset the solution may be as simple as powering cycling the console remove both batteries and external adapter for about 10 seconds and reconnect If you still have problems bring the outdoor sensor to a location ...

Page 78: ...rs like aluminum siding or metal wall framing along the line of sight between sensor and console Relocate sensor and console as necessary to avoid obstacles Depending on natural barriers you may also have to move the outdoor sensor higher and or closer Indoor temperature sensor reads too high in the day time and or night time Make sure the thermo hygrometer is mounted in an indoor area where it wi...

Page 79: ...rent times due to occasional delays in updates to the official station Redo the pressure calibration procedure described in section 5 3 1 The barometer is only accurate to 0 09 inHg 3 hPa within the following relative pressure range 20 67 to 32 50 inHg 700 1 100 hPa which corresponds to an altitude of 9 000 ft 2 750 m down to 2 500 ft 750 m below sea level At higher altitudes you should expect a p...

Page 80: ...om and looking it up under My PWS Make sure the date time and time zone is correct on the console If it is not incorrect you may be reporting data for a point in the past or future and you may not see it where you expect it Check your router firewall settings The console sends data via port 80 If you can access other web sites using http not to be confused with https this setting will be OK No Wi ...

Page 81: ...not support Wi Fi that uses the 5 GHz spectrum Make sure you configured the correct SSID and password Repeat the procedure if necessary to verify The console does not support so called captive Wi Fi networks These are typically guest type networks where users have to agree to terms and conditions before being connected ...

Page 82: ... a ship s sails Still commonly in used in some locales to indicate wind force DEW POINT The temperature to which air must be cooled to become saturated with water vapor When further cooled the airborne water vapor will condense to form liquid water dew or frost if below freezing HEAT INDEX The heat index HI or humiture is an index that combines air temperature and relative humidity in shaded areas...

Page 83: ...on type of display screen used in televisions computers watches and digital clocks LUX lx The unit of illuminance a measure of the intensity of illumination on a surface as used in the SI system MILLIBAR mb See HECTOPASCALS MM OF MERCURY mmHg This is similar to inches of mercury except expressed in millimeters Standard pressure is approximately 760 mmHg NIST National Institute of Standards and Tec...

Page 84: ...ich is correlated with other health risks due to UV exposure An index of 0 corresponds to zero UV radiation as is essentially the case at night An index of 10 corresponds roughly to midday summer sunlight with a clear sky when the UV Index was originally designed but values above 10 are sometimes possible Levels above 8 are considered very high and above 11 are considered extreme WIND CHILL Wind c...

Page 85: ...esolution 0 1 C or 0 1 F Humidity range 10 99 Humidity accuracy 5 Humidity resolution 1 Rain volume display range 0 6000 mm Rain volume accuracy 5 Rain volume resolution 0 1mm 0 01inch Wind speed range 0 50 m s 0 100 mph Wind speed accuracy 1 m s speed 5 m s 10 speed 5 m s or 0 1 mph speed 11 mph 10 speed 11 mph UV Index range 0 15 Light range 0 120 kLux Light accuracy 15 Sensor reporting interval...

Page 86: ...eries not included Outdoor thermo hygrometer sensor 2 x AA 1 5 Alkaline batteries not included Rain gauge sensor 1 x AA 1 5V Lithium battery not included Anemometer sensor Solar panel built in Anemometer sensor backup 1 x AA 1 5V LR6 Alkaline not included or 1 x AA 1 5V Lithium battery not included Table 12 Power specification The primary power source for the anemometer sensor is the solar panel W...

Page 87: ...original date of purchase is valid only on products purchased and only to the original purchaser of this product To receive warranty service the purchaser must contact us for problem determination and service procedures This limited warranty covers only actual defects within the product itself and does not cover the cost of installation or removal from a fixed installation normal set up or adjustm...

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