Operating Instructions - York Survey Supply Centre
Contents
1. 48 hours same time of day QNH This is the relative pressure at 24 hours ago or 48 hours etc Valid if _ ____ the Xplorer is at the same place and is recalibrated Altitude If you set off for a mountain walk or go paragliding you can check the altitudes achieved hour by hour The altitude will be accurate if you force the QNH calibration of the Xplorer on the weather pressure that was present i Li when you recorded m Display of a particular moment in the record 36 Example you want to know the trend the QNH or the altitude 12 hours ago Keep the button pressed down then when 12h appears on the large digits release Battery economy stop recording This feature This feature is possible by disabling the pressure sensor while the instrument is off The measurements of pressure and altitude are only active when the instrument is on To turn off the sensor put one of the three records on Oh zero hours 1 If you consult the record and you leave displayed 5h for example the next time you switch on the Xplorer it will display 24h if there has been a new pressure measurement this being generated by the internal clock one measurement per hour 2 On releasing the Oh the record will no longer perform a measurement each hour but will retain the current contents thereby giving you battery economy 3 In going back to active record mode anything other than Oh the current measurement is stored as the s2. Nothing else measures up Prospect House George Cayley Drive Clifton Moor York England YO30 4XE Tel 44 0 1904 692723 Fax 44 0 1904 690385 E Mail sales yorksurvey co uk YorkSurvey for secure online ordering of all our products Ref operat98 instructions 15 33245 qxp 05 01 15 Survey Supply Xplorer Anemometers Code BWA WAG Operating Instructions ITN York Survey Supply Centre 2015 Xplorer Anemometers Instruction Manual GENERAL INFORMATION You have just acquired a piece of high precision equipment which has been created using the most modern technology It has been designed to stand up to intensive use However in order to maintain its appearance and precision we recommend that you treat it with care and pay careful attention to these operating instructions The Skywatch Xplorer is fitted with an impeller and with sensors which allow it to carry out measurements in the open air It will give you all the information essential for your open air activities such as hang gliding rambling climbing or water sports It will give you the instant wind speed and the maximum wind speed Xplorer 1 2 3 and 4 ambient temperature and wind chill temperature Xplorer 2 3 and 4 an electronic compass Xplorer 3 and 4 as well as altitude pressure and trends in the weather Xplorer 4 The Skywatch Xplorer range has been designed to withstand short term immersion in water at a d
3. the small digits na i He 2 WHICH MEANS Your Skywatch Xplorer tells S EEE you magnetic north and not geographical Ba 7 Ei north Measurement To carry out a measurement as accurate as possible hold your instrument perfectly vertical fig A If the figures are replaced by that means that the instrument is too tilted or that it is being disturbed by a nearby magnetic source Calibration IMPORTANT Calibrate your Xplorer before the first use and at each change of fa A environment or battery When the instrument is first energised the compass shows So you carry out a calibration as follows Hold the button pressed down for approx 3 seconds and when CAL appears in the large digits release Then turn yourself around until the instrument is k showing L then in order to validate the calibration press briefly on the but ton During the calibration the instrument shows in succession l then Ic at l Lt and finally L in front of the small digits This operation needs to take a place at the speed pf 1 turn in approx 30 seconds To obtain an O accurate calibration the impeller MUST NOT turn If there is wind shelter the SS impeller between your thumb and your index finger Note The lines of a terrestrial magnetic field are disturbed by metal environments buildings electricity pylons vehicle interiors metal boats and also by magnetic fields generated by any electrical machinery or equipment and by
4. magnets It is therefore necessary in order to ob tain accurate measurements to move away from the sources of disturbance or to recalibrate 7 Measuring instant windspeed with current altitude Xplorer 4 poe e IMPORTANT This instrument calculates altitude by using air Fi j pressure it is therefore quite normal for the altitude to change when the air pressure changes For this reason the instrument needs to be m m recalibrated as often as possible L Choice of the unit ma By keeping the button pressed for approx 4 seconds the units start to go past You can choose between the following units m metres i 43 E and ft feet When the unit of your choice appears release the w a button and the unit of measurement is thereby validated and the in ia strument returns to the mode of measuring the instant wind speed with altitude display Display of maximum altitude rer Hold the button pressed down for approx 3 seconds and when CAL appears iw in the large digits release Hold the button pressed down to increase the na a figure for the altitude in steps of 1 unit To reduce the same release then once a Ts again hold the button pressed down A brief pressure on the button validates the new altitude Deletion of the maximum Ai The maximum is retained even when the instrument is off To delete the Lii L figure for the maximum hold the button pressed down for approx 2 seconds then release it Th
5. switching off by releasing the button during the flashing of the large digits or at the time of automatic switching off by pressing briefly on the button dur ing the flashing During permanent operation any pressure on the button returns Xplorer into automatic off mode Note If the instrument is on permanently the battery discharges rapidly 400 to 500 hours according to the model V Supply Xplorer 1 2 3 and 4 Your Skywatch Xplorer gets it s power supply froma replaceable lithium battery 3V type CR2032 To change the battery IMPORTANT This operation must be carried out with care ANY DEFECTIVE MANIPULATION DURING THE REPLACEMENT OF THE BATTERY CAN CAUSE LASTING DAMAGE TO YOUR INSTRUMENT IN CASE OF DOUBT CONSULT YOUR WATCH DEALER OR REPAIRER 1 Unscrew the metal back 6 screws 2 Unscrew the screw of the battery cover Ref operat98 instructions 15 33245 qxp 05 01 15 3 Gently remove the cover in order to extract the battery 4 Put in the new battery observing the polarity upwards then screw back the battery cover Make sure that the tiny tongue in the centre of the top is raised so that it touches the metal back 5 Before refitting the back make sure that the seal is clean and securely positioned in it s slot 6 Refit the back and the six screws Normal battery life Xplorer 1 2 and 3 approx 30 000 measurements of 1 minute auto off and more than 20 years when off Xplorer 4 without records sam
6. the impeller e Avoid exposing the instrument to extreme climatic conditions for over long periods While it uses components resistant to such temperatures we recommend that you do not expose your instrument to strong sources of heat for example under the windscreen of a vehicle e Avoid careless use or sharp impacts e DO NOT EXPOSE the instrument to powerful chemicals Such products could damage it lll Switching on Xplorer 1 2 3 and 4 To switch on your Skywatch Xplorer all that you need to do is press briefly on the button represented by QC on the diagram below after which the instrument switches on and displays the software version and the instrument model see fig DO 0 on the diagram below after which the instrument moves into the mode for measuring the current wind speed Xplorer 1 or to the last mode displayed before the instrument was switched off Xplorer 2 3 and 4 ri pi Wi uy hdl un ats z OFF Ls IV Switching off Xplorer 1 2 3 and 4 Switching off automatically auto off Your Skywatch Xplorer goes off automatically 1 minute after the last button press or wind measurement This means that it does not stop while the impeller is still turning more than ten seconds Switching off manually In order to switch your Xplorer off manually valid in every mode hold the button down until it switches off then release IMPORTANT Permanent operation possible Either at the time of the manual
7. aggravated by the speed of the wind The Xplorer models 2 3 7 sy and 4 show immediately the temperature felt by the body and warn of r kinin risks of chilblains and hypothermia r aa WHICH MEANS The wind chill factor is calculated on the basis of i l l i ambient temperature and wind speed In the event of wind it gives an indication of the loss of heat by the body if the temperature is less than 10 C This is the formula which was adopted in January 2003 by the United States Federal Office for Meteorological Cordination E cl toe with the Meteorological Service of Canada MSC the US Depart i s k _ ment of Defence DoD and the United States National Oceanic and Atmospheric Administration NOAA Example An ambient temperature of 0 C and a wind of 30km h act on your body as if the temperature were 7 8 C Choice of the unit of measurement for temperature See section 4 choice of the unit of measurement Display The display of the instant wind speed is made on the large digits and the wind chill temperature on the small digits with the indication Resolution temperature to the tenth of a degree Measuring cycle 2 measurements per second 6 Measuring the instant wind speed w electronic compass Xplorer 3 and 4 Choice of the unit of measurement wind Fd See section 3 choice of the unit of samme a measurement Compass display The compass display is given in degrees on
8. e as Xplorer 1 2 and 3 with records approx 25 000 measurements of 1 minute auto off but 7 years maximum when off 1 Backlight Xplorer 1 2 3 and 4 To get the backlight to light up keep the button pressed for 1 second and as soon as the backlight lights up release the button The backlight remains illuminated for 3 seconds If within the 5 seconds which follow you re illuminate the backlight it stays lit for 15 seconds Beyond these 5 seconds it lights up again for 3 seconds IMPORTANT Intensive use of the backlight reduces the life of the battery consumption ap prox 100x greater than without backlight 2 Modes and mode changing Xplorer 1 2 3 and 4 Brief pressure on the button allows you to move to the following mode MODES Xplorer 1 1 mode 1 wind max wind Xplorer 2 3 modes 1 wind max wind 2 wind temperature 3 wind wind chill temperature Xplorer 3 4 modes 1 wind max wind 2 wind temperature 3 wind wind chill temperature 4 wind compass Xplorer 4 9 modes wind max wind wind temperature wind wind chill temperature wind compass wind altitude and max altitude wind relative and absolute pressure record of pressure trends record of relative pressure record of altitude OONDABRWHND 3 Measuring the instant wind speed w max Xplorer 1 2 3 and 4 Choice of unit of measurement By keeping the button pressed for approx 4 seconds th
9. e units start 9 ia to go past You can choose between the following units km h kiih j kilometers per hour mph miles per hour knots m s metres per ry second and fps feet per second When the unit of your choice ap pears release the button and the unit of measurement is thereby se i i lected e Measurement of speed For the measurement to be as exact as possible it is necessary to iN F align the instrument along the axis of the wind aui Precision 3 Measuring range from 0 to 150km h 42m s 81 knots 93mph 136fps Measuring cycle 2 measurements per second Display The display of the current speed is done on the large digits and the maximum speed reached on the small digits with the indication max Resolution to one decimal place up to 99 9 then in whole units Deletion of the maximum The maximum is retained even when the instrument is off In order to reset it to zero keep the button pressed for at least 2 seconds then release it 4 Measuring the instant wind speed w ambient temp Xplorer 2 3 and 4 Choice of unit of measurement By keeping the button pressed down for at least 2 seconds the 2 TN units start to go past You have the possibility to choose between C ki 1 degrees Celsius and F degrees Fahrenheit When the unit of mi mi your choice appears release the button and the unit of measurement is thereby selected i Measuring ambient temperature _ Note
10. epth up to one metre IMPORTANT This instrument is designed as an aid to users who are in an open air environment but it CANNOT replace advice and warnings put out by the local weather station Open air climatic conditions can sometimes change quite dramatically and this can happen very quickly indeed Sunny weather can for example change to thunderstorm conditions in the space of half an hour and sometimes less You should therefore always follow basic safety rules whenever you undertake open air activity York Survey Supply Centre can in no way be held responsible for any consequences direct or indirect or for any prejudice which might result from the use of this instrument Technical specifications Size 41 x 93 x 17mm Weight 51g Xplorer 1 52g Xplorer 2 and 3 53g Xplorer 4 Operating temperatures 30 C to 60 C ll MAINTENANCE Xplorer 1 2 3 and 4 The design and manufacture of this instrument has been the subject of of a great deal of care In order to make best use of the proposed functions you are advised to use the instrument in accordance with the following observations e Avoid at all costs items such as hair thread sand and other dust materials getting into the impeller as they could cause defective rotation of the impeller and therefore a loss of precision If a hair or a piece of thread should get into the impeller extract it gently using tweezers in the case of dust or sand you can run clean water over
11. is operation should be carried out after the mode of L 4 36 display of the max altitude 8 Measuring the wind speed w display of relative and absolute pressure WHICH MEANS The instrument offers 2 modes for displaying Re S pressure QFE pressure and QHN pressure These two mh abbreviations QFE and QNH are taken from the famous Q code 3 f mt 1 This code was instituted by the London conference of 1912 It is made up of a list of three letter indicators valid for all the countries of bf i the world Intended mainly for telegraphic and radio telegraphy trans ONH aa missions in morse it is made up of a list of abbreviations using E ype 4 three letters to summarise without ambiguity phrases La questions or responses which would take too long to formulate in MERS i i clear text thus eliminating the risks of errors arising out of s a transmission reception language and interpretation The Q is still widely used in our day by ships and amateur radio enthusiasts it is still in official usage in radio telephony The Aeronautical world does not use all of it but regularly uses part of it CODE MEANING QFE Atmospheric pressure at ground level also known as absolute pressure QNH Atmospheric pressure obtained by calculation at sea level in standard atmospheric conditions also known as relative pressure This is the pressure mentioned in meteorological bulletins or on the televisi
12. ological variation when the recording is not active makes the QNH figure flash 5 Calibration of the QNH or of the altitude known datum makes it possible to re adjust the Xplorer in relation to the measured ambient pressure This varies continually according to altitude and current meteorological conditions 6 The only reference for the Xplorer is the air pressure which it is measuring from which it deduces the altitude Any variations in this pressure makes the altitude change 9m per hPa at low altitudes 14m at 5 000m and this is why it is necessary to calibrate as often as possible to maintain a credible display even airline pilots have this to comply with 9 Recording modes Xplorer 4 WHICH MEANS The three recording modes operate in the same way and are connected They display under different forms one of the 48 pressure J Li i measurements stored each hour By default 24h are displayed The record lo l stores just the pressure on the sensor the QNH or the altitude displayed is 3 E calculated depending on the current calibration 4 a Trend This is the variation in pressure over the last 24 hours or 48 hours or 1 hour etc This is valid if the Xplorer is in the same place same altitude A negative figure indicates a drop in pressure arrival of a i depression a positive figure an increase anticyclone Pressure naturally if i Wi varies during the day and the weather trend is more accurate at 24 hours or
13. on Choice of the unit If the button is kept pressed down for at least 4 seconds the units start to pass by and you have the possibility of choosing between the following units hPa hecto Pascals and inHg inches of mercury When the unit of your choice appears release the button This validates the unit of measurement and the instrument goes back to the wind relative pressure QNH mode Display of absolute pressure QFE Keep the button pressed down for approx 2 seconds and at the very moment m m pa when the indication QFE is displayed in the large digits release it The instru rr m ment then goes into absolute pressure mode To exit this mode press once on the button and the instrument returns to the wind relative i g pressure QNH mode Calibration of relative pressure QNH Hold the button pressed down for approx 3 seconds then release it at the moment when CAL is displayed on the large digits Then the adjustment in L crease reduction is carried out in the same way as for the calibration of alti im tude see section 7 altitude calibration ie 1 If QNH figure is steady not flashing this indicates the current relative presure QNH credible because deduced from meteorologically slow variation 2 The QNH sign flashes if this pressure has changed since the last calibration 3 If the QNH figure is flashing it indicates the QNH pressure entered at the last calibration 4 Arise in altitude or a meteor
14. tarting time and displayed under 1h 10 General reset Xplorer 3 and 4 a This mode resets by default all figures and removes the calibration of the compass In order to carry out a general reset switch off the instrument as aia ici ri normal Then to restart hold the button pressed down At the moment where all the LCD digits appear see opposite release it then again hold the ae button down until off You can then start up your instrument in the normal way York Survey Supply Centre 2015
15. the temperature sensor is integrated with the metal back of the casing and therefore it is the temperature of the back of the casing rm which is displayed This special feature makes it possible to f measure very accurately the temperature of milleu such as e Water springs streams etc by immersing the instrument several centimetres e Surfaces ground metal parts refrigerator interiors etc by laying as closely as possible the back of the instrument on the surface to be measured e Ambient air either by allowing the instrument to reach the air temperature which can take several minutes or even several dozens of minutes according to the wind speed avoid di rect sun rays and contact of the back of the casing with your fingers Otherwise to get a rapid and precise measurement put the back of the casing into contact with an object which is the same temperature as the air vehicle bodywork metal barrier smooth walls etc avoiding surfaces in dark colours and exposed to sunlight Measuring range of the sensor from 50 C to 100 C Measuring cycle one measurement every 0 5 seconds Display The display of the instant wind speed is done on the large digits while the ambient temperature is displayed on the small digits Resolution temperature to the tenth of a degree 5 Measuring current wind speed w the windchill temp Xplorer 2 3 and 4 Low temperatures present a danger to the human body and this dan ger is
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