Skywatch Xplorer 4 Instruction Manual Download

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Developed and manufactured by:

JDC Electronic SA

Switzerland

www.jdc.ch

North American Sales & Support:

NTech USA

PO Box 284

Holmen, WI 54636

www.ntechusa.com

[email protected]

608.498.4021

WIND METERS

Xplorer 1: Wind speed only

Xplorer 2: Adds Temperature

Xplorer 3: Adds Digital Compass

Xplorer 4: Adds Air Pressure and Altitude

EOLE: “Cup-style” Wind Speed

METEOS: “Cup-Style” Wind plus Temperature

ATMOS: “Cup-Style” Wind, Temperature, Humidity

Products available through NTech USA:

OTHER PRODUCTS

FLOWATCH: Flow of water/fluids

SPEEDWATCH: Wireless Boat Knotmeter

POROSIMETER: Porosity of fabrics

Summary of Contents for Xplorer 4

Page 1: ...l manual with all other languages FEATURES Instant Windspeed Maximum Windspeed Temperature air water Wind chill Wind Direction Digital Compass Altitude 48 Hour History of Altitude Relative and Absolute Air Pressure 48 Hour History of Pressure Waterproof Backlight ...

Page 2: ... 8 Wind speed 9 Maximum Wind Speed 9 Temperature 10 Wind Chill 11 Wind Direction Digital Compass 12 Calibration of Compass 12 Altitude 13 14 Maximum Altitude 14 Calibration of Altitude 14 Air Pressure 15 17 Absolute Relative Pressure 15 Calibration of Pressure 16 Recording Modes 17 Activating Deactivating History 18 Viewing History Records 18 General Reset 18 Other NTech Products BACK Contact Info...

Page 3: ...racy 3 TEMPERATURE 2 measurements per second with 0 1 F C resolution Measuring range 58 F to 212 F 50 C 100 C Accuracy 0 5 F 0 3 C COMPASS 2 measurements per second with 1 resolution Measuring range 0 to 359 Accuracy 4 ALTITUDE 1 measurement per second with 3ft 1m resolution Measuring range 2 300 to 29 500 ft 700 to 9 000 m above 9 999 ft only meters will be displayed Accuracy 10 ft 3 m PRESSURE 1...

Page 4: ...to the wind The small impeller rotates which creates a magnetic field read by the Xplorer Wind speed is displayed at the top in all modes other than pressure or altitude history Maximum wind speed can be displayed in the bottom To change units select the maximum wind speed mode then press and hold the button After five seconds the units will change release when the desired units are displayed TEMP...

Page 5: ... of air pressure this is true in EVERY altimeter including those found on aircraft The Xplorer 4 is designed to perform an adjustment each time it is turned on to adjust to a close altitude reading However it is necessary to calibrate to a known altitude before beginning an ascent or descent While in an altitude or pressure mode press and hold the button for FOUR seconds to change between meters a...

Page 6: ...compare the measurements provided by your instrument with the information put out by local sources NTech USA and JDC ELECTRONIC SA 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 WARRANTY NTech USA warrants this product for 2 years from date of purchase with proper receipt or product registration or o...

Page 7: ... in this example 1 28 the model number 1 2 3 or 4 then show measurements SWITCHING OFF Switching off automatically Auto off Your SKYWATCH Xplorer goes off automatically 1 minute after the button was last pressed or after the wind was last measured This means that it does not stop while the impeller is still turning more than 10 seconds Switching off manually In order to switch Xplorer off manually...

Page 8: ... DAMAGE TO YOUR INSTRUMENT IN CASE OF DOUBT CONSULT YOUR WATCH DEALER OR REPAIRER OR CONTACT NTECH USA Normal battery life approximately 30 000 measurements of 1 minute auto off and more than 20 years when off without records With records approximately 25 000 measurements of 1 minute auto off but 7 years maximum when off BACKLIGHT To get the backlight to light up keep the button pressed for 1 seco...

Page 9: ...E press and release to switch back to relative pressure QNH history of pressure difference 7 history of relative pressure values 8 history of altitude 9 Within each mode pressing and holding the button will perform different functions such as changing the units calibration and viewing past history Pressing and holding the button for 1 second while in any mode will turn on the backlight Pressing an...

Page 10: ...d even after the Xplorer is turned off Measurement of speed For the measurement to be as exact as possible it is necessary to align the instrument along the axis of the wind 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 Deletion of the maximum The maximum is retained even when the instrument is off In ...

Page 11: ...ms etc by immersing the instrument several centimeters surfaces ground metal parts refrigerator interiors etc by laying as closely as possible the back of the instrument on the surface to be measured 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 direct sun rays and contac...

Page 12: ... the event of wind it gives an indication of the loss of heat by the body if the temperature is less than 50 F 10 C This is the formula which was adopted in January 2003 by the United States Federal Office for Meteorological Coordination with the Meteorological Service of Canada MSC the US Department of Defence DoD and the United States National Oceanic and Atmospheric Administration NOAA Example ...

Page 13: ...old the button pressed down for approximately 3 seconds and release when is displayed Keeping the Xplorer completely vertical slowly turn in a complete circle it should take approximately 20 seconds to complete one turn The progression of the screen will be as follows Upon successful calibration press the button to confirm and return to the compass mode To obtain an accurate calibration the impell...

Page 14: ...e height above mean sea level Altitude and air pressure relationship Air pressure decreases approximately 0 01 inHg for every 10 feet increase in altitude at altitudes below 5 000 ft above MSL Since altitude is based on air pressure the change in air pressure from weather patterns will affect the altimeter reading For example an incoming storm can lower barometric air pressure by 0 06 inHg in an h...

Page 15: ... difference in altitude can always be measured without calibration While in the altimeter mode press and hold the button for 3 seconds until a p p e a r s in the large digits and release Press and hold the button to increase the altitude in steps of 1 unit To reduce the altitude release the button briefly then once again press and hold the button As the button is held the altitude will increase de...

Page 16: ...ther while High pressure fronts bring clear cool weather Extreme Low pressure fronts occur in centers of hurricanes and tornados The instrument offers 2 modes for displaying pressure QFE pressure and QNH pressure These two abbreviations QFE and QNH are taken from the famous Q code This code was instituted by the London conference of 1912 It is made up of a list of three letter indicators valid for...

Page 17: ...rnatively it can be calibrated to a known altitude please see the previous section on altitude While in the air pressure mode press and hold the button for 3 seconds until appears in the large digits and release Press and hold the button to increase the air pressure in steps of 0 01 inHg or 1 hPa To reduce the air pressure release the button briefly then once again press and hold the button As the...

Page 18: ...cords are stored based on the air pressure at the time of measurement and the current calibration of altitude QNH Trend This is the difference 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 a positive figure an increase Pressure naturally varies during the day and the weathe...

Page 19: ... h for example the next time you switch on the Xplorer it will display 24 h if there has been a new pressure measurement this being generated by the internal clock one measurement per hour On releasing on 0h the record will no longer do a measurement each hour but will retain the current contents thereby giving you battery economy In going back to active record mode anything other an 0h the curren...

Page 20: ...D METERS Xplorer 1 Wind speed only Xplorer 2 Adds Temperature Xplorer 3 Adds Digital Compass Xplorer 4 Adds Air Pressure and Altitude EOLE Cup style Wind Speed METEOS Cup Style Wind plus Temperature ATMOS Cup Style Wind Temperature Humidity Products available through NTech USA OTHER PRODUCTS FLOWATCH Flow of water fluids SPEEDWATCH Wireless Boat Knotmeter POROSIMETER Porosity of fabrics ...

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