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| Below is help and answers to questions regarding the Davis Vantage Pro2. If you have any other questions please email us by clicking on the link provided. |  |
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 | External Temperature/Humidity sensor On Davis systems, check all the wire connections to the ISS to make sure that they are secure and not damaged at all. Examine the radiation shield or sensor unit to make sure that it is not damaged or that debris or insect nests are impeding airflow through it. If the data is proven inaccurate by reputable local MET source (television and internet reports are not a suitable check) then calibration of the data can be made either through the display console or through the PC software such as Weatherlink for Davis systems. On wireless Davis systems, if the temperature and humidity sensor is highly over-reading then it is possible that there is a water leak in the antenna, a problem that occurred in the earlier model Vantage Pro2. To be sure, remove the ISS front panel and look at the electronics board for signs of corrosion around the connections and the dipswitch panel. If you have a corrosion problem please email us so that we can arrange a repair or a replacement of the faulty unit. Wind Speed and Direction Check all the wire connections to make sure that they are secure, also check that the cables have not been damaged. With Davis systems it's possible that the wind cups or vane have become loose or dislodged, if you are able to, loosen the retaining screw and relocate the part into the correct position and re-tighten the retaining screw. Check to see if insect nests or spider webs have inhibited the wind vane or cups or if they have become damaged (e.g. pieces missing/broken off), if any damage is apparent please email us for price and availablity for replacement parts. Rain Make sure that the rain gauge is positioned level and where rainfall will not be obstructed from collecting in the bucket check here for some guidelines about sensor placement. Check all the wire connections to make sure that they are secure, also check that the cables have not been damaged in any way. Check that the collection bucket hasn't become blocked or obstructed, as this may stop rainwater from collecting in the gauge. Disconnect the rain gauge then carefully remove the collection bucket and examine the tipping buckets, if necessary use a clean damp cloth to wipe them clean, but take care not to touch or damage the delicate reed switch or to rock the tipper back and forth quickly as this may result in damage to the sensor. Re-attach the collection bucket and reconnect the rain gauge then slowly pour some water into the collection bucket so that the tipper rocks a few times. Check on the weather station display that the data has been received (this may take a few minutes). If no rain data comes through then the unit it may be broken, if this is the case please email us for price and availability of replacement parts. Internal Temperature/Humidity sensor If the internal readings are inaccurate then check that the display console or sensors are not positioned in direct sunlight, near to heat sources or appliances that may affect humidity such as air conditioning units, as all of these can cause inaccuracy in the data collected. Barometric Pressure To make sure that barometric pressure is recording accurate data, ensure that all the relevant setup information has been entered correctly such as sea level pressure and elevation, though not all systems off these inputs. Most systems offer the ability to adjust barometric pressure, please refer to the manual for the relevant information. Solar and UV If the readings are not accurate check that the sensor head is clean and not obscured, to clean the sensor wipe the top with a clean damp lint free cloth. Should the sensor be recording vastly inaccurate data, such as high solar or UV during the night, then it will need to be repaired or replaced, please email us for price and availability of replacement parts.  |
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