JDC Electronic SA Geos 11 - Manual (Page 38)

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Humidity From a few seconds to several minutes
depending on wind speed
Pressure instantaneous
Compass instantaneous
Measuring range of sensors
Wind speed 0 to 300 (peak) km/h
Temperature -40°C to +85°C
Humidity 0.1 to 100%rH
Pressure 10 to 1,100hPa
Altitude -1,000 to 21,535m
Perpetual calendar until 2175
Serial transmission 5mm between induction coils
Measurement units
Wind speed km/h - m/s - knots - Beaufort - mph - fps
Temperature ° Celsius - ° Fahrenheit
Pressure hPa (mbar) - inHg (inches of Mercury)
Altitude m - ft (feet)
Variometer m/s - hft/min (100 feet per minute)
Operational temperatures
Easy reading from -10°C to + 70°C
Possible reading from -20°C to -10°C
Very slow display but instrument able to work
(the sensors and recordings are operating correctly) from -40°C to -20°C
Miscellaneous
Power Supply instrument: 4 x 3V lithium CR2032 button batteries supplied
1 for the instrument, 1 spare, and 2 for the LED lamp
Impeller Diameter 17.8mm (replaceable)
Dimensions 46 x 120 x 32 mm
Weight 171g
Waterproofness 5 minutes at 1 metre
Wait for the humidity sensor to dry off completely before re-using the
instrument