Product data sheethourclock automatically radio-controlled by the frankfurt antenna (dcf-77)manual setting functiondisplay 12 or 24 hourstime zone : +- 12 hourscalendar with day date month displayindoor temperaturemeasure units: c or frange: from 9.9 c to + 59.9 cresolution : 0.1 crecording of min max with time and date of readingsreading every 15 secondsindoor humiditymeasure unit : % rhswiss high definition sensorrange : from 1 % to 99 %resolution : 1%accuracy : +- 3 %recording of min max of time and date of readingsreading every 30 secondsforecastbarometer with icon displaytrend display atmospheric pressuremeasure units : hpa or inhgrange for absolute pressure : from 300 hpa to 1099 hpachoice of user display of relative pression (from 920 hpa to 1080 hpa)pressure sensitivity level settingrecording of min max with time and date of readingsoutdoor temperaturemeasure units : c or frange : from 29.9 c to + 69.9 cresolution : 0.1 crecording of min max with time and date of readingsoutdoor humiditymeasure unit : % rhswiss high definition sensorrange : from 1 % to 99 %resolution : 1%accuracy : +- 3 %recording of min max with time and date of readingsdew pointdew point displayrecording of min max with time and date of readingswind speed & wind directionmeasure units : kmh, ms, knots, mph or beaufortrange : from 0 to 180 kmh (or from 1 to 49.9 ms)wind direction displayed on a 360 compassrecording of min max with time and date of recordingswindchillwindchill displayrecording of min max with time and date of readingsrainchoice of precipitation display: over 1 hour, over 24 hours, or the totalvolumemeasure units : mm or inchrange : from 0 to 999.9 mm (over 1 or 24 hours)and from 0 to 2499 mm (on the total rain volume)resolution : 0.5 mmrainfall per impuls : 0.518 mmrecording of min max with time and date of readingsalarms21 alarm setting (high and lows) :hour alarmstorm alarm (sound alarm possible)indoor temperature alarm (high and low)outdoor temperature alarm (high and low)indoor humidity alarm (high and low)outdoor humidity alarm (high and low)wind chill alarm (high and low)dew point alarm (high and low)precipitation alarm over 24 hours and over 1 hourrelative pressure alarm (high and low)wind speed alarm (high and low)wind direction alarm pc connectioncomputer connection includeddelivered with setup cd-rom (in french, english and german) and 2 metres of cable for the base-computer linkdata is gathered by the computer, from which it is possible to use the data and design graphspossible storage of 175 sets of dataminimum system requirement for use of this heavy weather software is :operating system : windows 98 or aboveprocessor : pentium 166 mhz or aboveram : 32 mb of ram or abovehard-disk : 20 mb free spacecd rom drivefrequenciesif the transmission is at 433 mhz, the recording is every 32 seconds (if the wind is morethan 10 ms) or every 128 seconds (if the wind is less than 10 ms) or 10 minutes if thestation fails to receive any data after 5 attempts in a row (all outdoor data readings willdisplay --- except for the rain value)if the transmission is by cable, then the recording is every 8 secondstransmissiondata transmitted at 433 mhz or by cable link with basetransmission at 433 mhz : 100 metres (in open field)transmission distance by cable : 10 metres(with the possibility of an extra 10 metre maximum cable)lcd contrastlcd contrast variable from +1 to +8delivered withbase receiver stationthree outdoor sensors : thermohygro transmitter, wind sensor, rain sensoroptional wired connection for data transfer to base receiver stationwireless weather station software in cd rom format for transfer of data to pc (available onwww.heavyweather.info)pc rs 232 serial port cableacdc power adaptermeasurementof the station ( l x w x h) = 170 x 35 x 138 mmof the thermohygro transmitter ( l x w x h) = 71.5 x 73 x 130 mmof the rain meter ( l x w x h) = 140 x 70 x 137 mmof the anemometer ( l x w x h) = 60 x 197 x 291 mmwall mounted or free standingbattery3 x aa batteries, iec lr6 1, 5 v for the receptor2 x aa batteries, iec lr6 1, 5 v for the thermohygro transmitter.