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[MODE]

Relative

Pressure

Calibration

Press [TEMP +] or [WIND -]

to adjust relative pressure up

or down

Reference Section 6.4.3 for

details on calibration of

relative pressure.

[MODE]

Temperatu

re Units of

Measure

Press [TEMP +] or [WIND -]

to change temperature units

of measure between °F

and °C.

[MODE]

Wind

Units of

Measure

Press [TEMP +] or [WIND -]

to change wind units of

measure between km/h, mph,

knots, m/s and bft.

[MODE]

Rain Units

of Measure

Press [TEMP +] or [WIND -]

to change rain units of

measure between in and mm.

[MODE]

Exit Set

Mode

[MODE] + 2 seconds means to press and hold the MODE button for two

seconds.

[MODE] means to press the MODE button.

Table 8: Set mode sequence and commands summarization

6.4 Barometric Pressure Display

6.4.1 Viewing Absolute vs. Relative Pressure

Press and hold [RAIN/PRE] for two seconds switch between Rain and

Pressure. While in Pressure mode Press [RAIN/PRE] to switch between

absolute and relative pressure

Absolute pressure is the measured atmospheric pressure, and is a function of

altitude, and to a lesser extent, changes in weather conditions.

Absolute pressure is not corrected to sea-level conditions.

Summary of Contents for WN1900

Page 1: ...2 4 Install Rain Gauge 8 5 2 5 Install Batteries 9 5 2 6 Mount assembled outdoor sensor package 10 5 2 6 1 Before you mount 10 5 2 6 2 Mounting 10 5 2 7 Reset Button and Transmitter LED 11 5 3 Optional sensors 11 5 4 Indoor Outdoor Thermo Hygrometer 8 Channel optional 14 5 5 Best Practices for Wireless Communication 15 5 6 Display console 16 6 Display Console Operation 18 6 1 Screen Display 18 6 2...

Page 2: ... 3 Display Hourly Rain Rain Rate 31 6 9 1 4 Display Absolute and Relative Pressure Min and Max Values 31 6 10 Resynchronize Wireless Sensor 31 6 11 Backlight Operation 31 6 11 1 With USB cable included 32 6 11 2 Without USB Power supplied 32 6 12 Tendency Arrows 32 6 13 Wireless Signal Quality Indicator 32 6 14 Weather Forecasting 33 6 14 1 Storm Alert 33 6 14 2 Weather Forecasting Description and...

Page 3: ...trike including your weather station mounting pole Never install the weather station in a storm Warning Installing your weather station in a high location may result in injury or death Perform as much of the initial check and operation on the ground and inside a building or home Only install the weather station on a clear dry day 3 Quick Start Guide Although the manual is comprehensive much of the...

Page 4: ...tructure ground or roof top 3 Avoid wind and rain obstructions The rule of thumb is to install the sensor array at least four times the distance of the height of the tallest obstruction For example if the building is 20 tall and the mounting pole is 6 tall install 4 x 20 6 56 away 4 Wireless Range The radio communication between receiver and transmitter in an open field can reach a distance of up ...

Page 5: ... 1 Display Console 1 Outdoor Sensor with built in Thermo hygrometer Rain Gauge Wind Speed Sensor Wind Direction Sensor 1 Wind speed cups to be attached to outdoor sensor body 1 Wind vane to be attached to outdoor sensor body 2 U Bolts for mounting on a pole 4 Threaded nuts for U Bolts M6 size 1 Metal mounting plate to be used with U Bolts 1 Wrench for M6 bolts 1 USB to 2 5 0 7mm DC 5V power plug c...

Page 6: ...a pole requires installation of an included metal plate to receive the U bolt ends The metal plate visible in Figure 2 has four holes through which the ends of the two U Bolts will fit The plate itself is inserted in a groove on the 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 ...

Page 7: ... help avoid damaging wind vane and wind speed cups later on 5 2 2 Install wind vane Push the wind vane onto the shaft on the bottom of the sensor until it stops moving further as shown in figure 4 Tighten the set screw with a Philips screw driver size PH0 until the wind vane cannot be removed from the axle as shown in figure 4 Make sure the wind vane spin freely The wind vane s movement has a smal...

Page 8: ... cups into the shaft as shown in figure 5 Tighten the set screw with screw driver Make sure the wind speed cups can spin freely Figure 5 Wind speed cup installation diagram 5 2 4 Install Rain Gauge Install the rain gauge funnel Rotate clockwise to attach the funnel to the outdoor sensor ...

Page 9: ...ndicator on the back of the transmitter will turn on for four seconds and normally flash once every 16 seconds the sensor transmission update period Figure 7 Battery installation diagram Note If no LED light up or is permanently on make sure the batteries are inserted the correct way or a proper reset has happened Do not install the ...

Page 10: ...justments easier and avoids any distance or interference related issues from the setup After setup is complete and everything is working return here for outdoor mounting If issues show up after outdoor mounting they are almost certainly related to distance obstacles etc 5 2 6 2 Mounting You can attach a pipe to a permanent structure and then attach the sensor package to it see Figure 8 The U Bolts...

Page 11: ...ensor array is not transmitting reset the sensor array With an open ended paperclip press and hold the RESET BUTTON for three seconds and resynchronize with console by powering down and up the console Please put the console with the sensor array about 3 meters away Figure 9 Reset button and Transmitter LED location 5 3 Optional sensors Important When more sensors excluding the original sensor arra...

Page 12: ...Image WH41 4 PM2 5 Wireless Outdoor Particulate Monitor WH43 4 PM2 5 Wireless Indoor Particulate Monitor WH45 1 PM2 5 PM10 and CO2 Wireless Indoor Particulate Monitor WN51 8 Soil Moisture Sensor WH51 8 Soil Moisture Sensor WH57 1 Lightning Detector ...

Page 13: ...d WH40 1 Rain sensor WN34 8 WN34S stainless steel probe therm ometer for soil WN34L wire probe thermometer for water WN35 8 Leaf wetness sensor The WH41 and WH43 share the same 4 channels The WN51 and WH51 share the same 8 channels The WN34S and WN34L share the same 8 channels The WS68 could not be used with the WS80 at the same time Table 4 Optional sensors list ...

Page 14: ...s between 40 C and 60 C 1 Remove the battery door on the back of the transmitter s by sliding down the battery door as shown in Figure 13 Figure 10 Battery installation for Multi channel sensor 2 BEFORE inserting the batteries locate the dip switches on the inside cover of the lid of the transmitter 3 Channel Number This item supports up to eight transmitters To set each channel number the default...

Page 15: ...channel 5 5 Best Practices for Wireless Communication Note To insure proper communication mount the remote sensor s upright on a vertical surface such as a wall Do not lay the sensor flat Wireless communication is susceptible to interference distance walls and metal barriers We recommend the following best practices for trouble free wireless communication Electro Magnetic Interference EMI Keep the...

Page 16: ...m under most real world installations which include passing through barriers or walls 2 Metal Barriers Radio frequency will not pass through metal barriers such as aluminum siding If you have metal siding align the remote and console through a window to get a clear line of sight The following is a table of reception loss vs the transmission medium Each wall or obstruction decreases the transmissio...

Page 17: ...t several minutes for the remote sensors to synchronize with the display console 4 In order to prevent the display console s own temperature rising from affecting the accurate reading of temperature and humidity the temperature and humidity sensor is placed at the antenna end away from the station body Orient the console antenna straight up for accurate indoor temperature and humidity reading Figu...

Page 18: ...door Outdoor Thermo Hygrometer recycle icon optional 12 Date 5 Outdoor temperature 13 WIFI signal icon 6 Outdoor humidity 14 Time 7 Indoor humidity 15 Daylight Savings Time DST 8 Indoor temperature Table 6 Display console detailed items 6 2 Initial Display Console Set Up Insert the batteries to power up the display console The unit will show software version and frequency information 2 seconds aft...

Page 19: ...Set Mode Press to switch between Normal Mode Max Mode Min Mode High Alarm Mode Low Alarm Mode MAC address display Mode TEMP TEMP 2s While the console using battery supply only press this button to switch display between Outdoor Temperature Wind Chill Dew Point Heat Index While using DC supply press the button to switch display between Outdoor Temperature Chill Dew Point Heat Index 8 channel temper...

Page 20: ...t brightness high medium and off only available when powered by USB connection Press to exit the SET mode at any time Wake up WiFi listening when battery powered only TEMP and RAIN PRE Press this two buttons at the same time for 4 seconds to activate BLE function for Wi Fi configuration refer to section 8 1 2 MODE LIGHT 5s Press Mode and Light button for 5s to make factory default reset Table 7 Ke...

Page 21: ...d maximum values must be reset manually MODE 12 hour 24 Hour Format Press TEMP or WIND to switch hour format between 12 hour and 24 hour format MODE Hour Press TEMP or WIND to adjust hour up or down MODE Minute Press TEMP or WIND to adjust minute up or down MODE Year Press TEMP or WIND to adjust year up or down MODE Month Press TEMP or WIND to adjust month up or down MODE Day Press TEMP or WIND to...

Page 22: ...in units of measure between in and mm MODE Exit Set Mode MODE 2 seconds means to press and hold the MODE button for two seconds MODE means to press the MODE button Table 8 Set mode sequence and commands summarization 6 4 Barometric Pressure Display 6 4 1 Viewing Absolute vs Relative Pressure Press and hold RAIN PRE for two seconds switch between Rain and Pressure While in Pressure mode Press RAIN ...

Page 23: ...e sea level corrected pressure the pressure your location would be at if located at sea level is generally higher than your measured pressure Thus your absolute pressure may read 28 62 inHg 969 mb at an altitude of 1000 feet 305 m but the relative pressure is 30 00 inHg 1016 mb The standard sea level pressure is 29 92 inHg 1013 mb This is the average sea level pressure around the world Relative pr...

Page 24: ...umulation is less than 1 mm 0 039 in in a 24 hour period Daily Rain is defined as the rainfall since midnight 00 00 Weekly Rain is defined as the calendar week total and resets on Sunday morning at midnight Sunday thru Saturday Monthly Rain is defined as the calendar month total and resets on the first day of the Month Yearly Rain is defined as the total rainfall from January 1 to December 31 6 6 ...

Page 25: ...o 8 additional thermo hygrometer sensors WH31 If you have the extra sensors press the TEMP button to switch between Outdoor Temperature Wind Chill Dew Point Heat Index 8 channel temperature and humidity Circle Mode 6 8 Alarms 6 8 1 Viewing High and Low Alarms To view the high alarm settings press MODE button a third time and the high alarms will be displayed as shown in Figure 19 a To view the low...

Page 26: ...o enter the High Alarm Set Mode While the Low Alarm is displayed reference Section 6 8 1 press and hold the MODE button for 2 seconds to enter the Low Alarm Set Mode To save and proceed to the next alarm setting press the Mode button To exit the High Alarm Set Mode at any time press the LIGHT button Table 9 summarizes the alarm mode sequence and commands ...

Page 27: ...he alarm time icon will appear Press RAIN PRE again to turn the time alarm off The alarm time icon will disappear MODE Alarm High Indoor Temperature Press TEMP or WIND to adjust alarm value up or down Press RAIN PRE to turn the alarm on The alarm icon will appear Press RAIN PRE to turn the alarm off The alarm icon will disappear MODE Alarm High Indoor Humidity Press TEMP or WIND to adjust alarm va...

Page 28: ...urn the alarm on The alarm icon will appear Press RAIN PRE to turn the alarm off The alarm icon will disappear MODE Alarm High Wind Gust Press TEMP or WIND to adjust alarm value up or down Press RAIN PRE to turn the alarm on The alarm icon will appear Press RAIN PRE to turn the alarm off The alarm icon will disappear MODE Alarm High Rain Rate Press TEMP or WIND to adjust alarm value up or down Pre...

Page 29: ...appear MODE Alarm Low Outdoor Temperature Press TEMP or WIND to adjust alarm value up or down Press RAIN PRE to turn the alarm on The alarm icon will appear Press RAIN PRE to turn the alarm off The alarm icon will disappear MODE Alarm Low Outdoor Humidity Press TEMP or WIND to adjust alarm value up or down Press RAIN PRE to turn the alarm on The alarm icon will appear Press RAIN PRE to turn the al...

Page 30: ...press the LIGHT button a b Figure 20 6 9 1 1 Display Wind Chill Heat Index vs Dew Point Max Min Values While the max values are displayed as outlined in Section 6 9 1 press the TEMP button once to view the wind chill twice to view the dew point third to view the heat index and a fourth time to return to outdoor temperature While the min values are displayed as outlined in Section 6 9 1 press the T...

Page 31: ...AIN PRE button to switch between Relative pressure and Absolute pressure To return to normal mode press the LIGHT button 6 10 Resynchronize Wireless Sensor While in outdoor TH wind chill dew point heat index display mode press TEMP button for 5 seconds and the console will re register the outdoor sensor array While in 1 8 channel Thermo hygro sensor display mode press TEMP button for 5 seconds and...

Page 32: ...ate period updated every 30 minutes Table 10 defines the conditions for rising and falling pressure every 3 hours Tendency indicators Condition Humidity Change per 3 Hours Temperature Change per 3 Hours Rising Rising 3 Rising 1º C 2 ºF None Steady Change 3 Change 1 º C 2 º F Falling Falling 3 Falling 1º C 2 ºF Table 10 Tendency indicators summarization 6 13 Wireless Signal Quality Indicator The wi...

Page 33: ...iod of time and temperature is below freezing Table 12 Weather forecasting summarization Note When the pressure decreases dramatically the rainy icon will flash to indicate stormy When the pressure decreases dramatically and the temperature is below freezing the snowy icon will flash to indicate blizzard 6 14 1 Storm Alert If there is a rapid drop in barometric pressure the forecast icon will flas...

Page 34: ...posal to predict weather conditions including weather radar weather models and detailed mapping of ground conditions 7 Specification Outdoor data Transmission distance in open field 100M 300FT Frequency 915 868 433MHz depending on location North American 915MHz Europe 868MHz Other areas 433MHz Temperature range 40 C 60 C 40 F to 140 F Accuracy 1 C Resolution 0 1 C Measuring range rel humidity 1 99...

Page 35: ...er services The supported services are shown in the table below Hosting Service Website Description Ecowitt Weather https www ecowitt net Ecowitt is a new weather server that can host a bunch of sensors that other services don t support Weather Underground WeatherUndeground com Weather Underground is a free weather hosting service that allows you to send and view your weather station data real tim...

Page 36: ...i Fi router for internet access During console credentials setting up firmware updating the communication between your phone and console is based on Blue Tooth BLE so your phone needs to be 16 feet 5 meter within the console radius When the device has connected to your network which also your phone is connected then further setup like live data calibration date time zone etc will be based on your ...

Page 37: ...37 Or it is necessary even to switch this option off ...

Page 38: ...orrect 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 8 1 1 Download mobile application Wi Fi configuration is done using your mobile device either iOS or Android Start by downloading the ecowitt application from the Apple App Store or Google Play store as approp...

Page 39: ...ther 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 Press Save on the page Press Register at ecowitt net and finish the registration on the page Press the button and select enter your email address Set a password for your ecowitt account Press Submit Enter the captcha you ...

Page 40: ...ld not register on the ecowitt app please go to the website to register and add the device 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 data with other users you may use the Share ...

Page 41: ...41 Graph display List display Weather Map ...

Page 42: ...42 Email Alerts 9 Registering WeatherUnderground com through the PC or Mac If you have not already done setup for wunderground com during the Wi Fi setup you can do so later Perform the following steps ...

Page 43: ...round com and select the Join link at the top of the page and sign up 2 Click My Profile and select My Devices to register your station 3 Select Add New Device 4 Find Personal Weather Station Select other and click Next ...

Page 44: ...44 5 Select Address or Manual option and find your local position Press Next 6 This time you will be asked details about your weather station Go ahead and fill out the form ...

Page 45: ...password Note Your station ID will have the form KSSCCCC where K is for USA station I for international SS is your state CCCC is your city and is the station number in that city In the example above KAZPHOEN424 is in the USA K State of Arizona AZ City of Phoenix PHOEN and 424 ...

Page 46: ... dashboard ID STA TIONID 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 can also find them directly from the iOS or Google Play stores WunderStation iPad application for viewing your station s data and graphs https itunes apple com u...

Page 47: ...application for viewing radar images animated wind cloud coverage and detailed forecast and PWS station data https itunes apple com us app wu storm id955957721 Weather Underground Forecast iOS and Android application for forecasts ...

Page 48: ...lay google com store apps details id com wunderground android wea ther hl en PWS 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 49: ...any dirt debris and insects If bug infestation is an issue spray the array lightly with insecticide Figure Rain gauge installation and maintenance 3 Clean the solar radiation sensor and solar panel every 3 months with a non abrasive slightly damp cloth 4 Replace batteries every 1 2 years If left in too long the batteries may leak due to environmental challenges In harsh environments inspect the ba...

Page 50: ...d paperclip press the reset button for 3 seconds to re sync the console with the sensor array about 10 feet away The LED next to the battery compartment will flash every 16 seconds If the LED is not flashing every 16 seconds Replace the batteries in the outside sensor array If the batteries were recently replaced check the polarity If the sensor is flashing every 16 seconds proceed to the next ste...

Page 51: ...unting solution sway in the mounting pole may result in the tipping bucket incorrectly incrementing rainfall Make sure you have a stable level mounting solution Data not reporting to Wunderground com 1 Confirm your password or key is correct It is the password you registered on Wunderground com Your Wunderground com password cannot begin with a non alphanumeric character a limitation of Wundegroun...

Page 52: ...y is successful the Wi Fi icon will be displayed in the time field 2 3 Make sure your modem Wi Fi settings are correct network name and password 4 5 The console only supports and connects to 2 4 GHz routers If you own a 5 GHz router and it is a dual band router you will need to disable the 5 GHz band and enable the 2 4 GHz band 6 7 The console does not support guest networks ...

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