These burn lines (or dots) represent times when sunshine occurred at Each pack contains three types of card to correspond to the behaviour of the sun at different seasons: long curved cards for use in summer (UK 12th April to 2nd September), … The paper onto which light is concentrated records only 12 hours worth of observations, as there is no need to record sunlight at night! Normally, there are different cards … Novatek 96220 4. We have many more items in our Ebay shop. Night vision, support HDMI 9. A sunshine recorder is a device that measures how much sunlight a certain region or area is receiving at any given time. sunshine recorder . There are a couple of different types of recorder, often with slightly different specifications. The results provide information about the weather and climate as well as the temperature of a geographical area. In polar regions where there can be 24-hours of daylight, two spheres are used, one with a south-facing card, and the other with a north facing card. The Roman numerals on the paper denote the local time (XII is 12 noon, III is 3pm, etc.) The two 12-hour cards combine to record a 24-hour day. The card used in the instrument is made from white pasteboard and has a thickness in between 0.43 mm to 0.48 mm. 1969 #11. In this instrument the solar energy is concentrated by a special lens and it detects the sunshine if the energy of the beam is high enough to burn a special dark paper card. Alpha and Omega #16. The Campbell–Stokes sunshine recorder (CSSR) has been one of the most commonly used instruments for measuring sunshine duration (SD) through the burn length of a given CSSR card. The extreme southeast gets most sunshine, averaging over 7 hours a day in early summer. The 3rd position is used only during spring and fall. The straight cards - from the beginning of March to mid-April and from the beginning of September to mid -October. Diving Station #21. The Duration of Sunlight Recorder was invented by John Francis Campbell in 1853 and later modified in 1879 by Sir George Gabriel Stokes with little to no modification since. The glass sphere has a diameter of approx. 7. I have no idea what a sunshine recorder is. The Beach at Redpoint #14. The results provide information about the weather and climate as well as the temperature of a geographical area. i'm just... See full review. Measurement of the diffuse components requires a tracking device that ensures that the sun is obscured by a ring or a tracking shading device and is only undertaken at a few principal radiation stations. The putting in of the cards has to be made in such a way that With our immense domain expertise, we are offering Sunshine Recorder. 140 degree wide-angle lens 3. This information is useful in meteorology, science, agriculture, tourism, and other fields. Over the year as a whole, most areas get an average of between 3 1/4 and 3 3/4 hours of sunshine … You have probably figured out how it works. Many thanks for looking.Check out my other items! These are papers that have been used at our station. A Campbell-Stokes sunshine recorder is commonly used for this purpose. 2.7 inch 16:9 TFT LCD screen 2. Breaks in the line (no burn), indicate periods of cloud cover (during daylight hours). They are specially treated to char rather than burn so that the trace produced by strong sunlight does not spread significantly. A Is to B as B Is to C #19. Contributed 164 ... essential long form techno artifacts. Two versions are available for operation at different latitudes. The upgrade (as it were) was hugely successful and the Campbell-Stokes Recorder is probably still globally the most used sunshine measuring instrument (or heliograph). Trade Information. Video format: M-JPEG(AVI) 6. The provided sunshine recorder is developed to analyze the wind flow during year & researches. In the photo above you can see four examples of treated paper. Different positions of the “solar cards” are to compensate for changing sunlight-to-Earth angles throughout the year. Cards are marked with hourly intervals. The bottom paper shows a cloud-free day. The Lambrecht sunshine recording cards are made from a special board with matt turquoise finish on which even weak sunlight produces a clearly visible trace. For even better results, mount it on a camera tripod. Simply tape it to a fixed support so that the pinhole is pointed as described previously. Julie and Candy #10. 96 mm, a determined refractive index, is made of non-streaky glass and cut accurate to gauge. The cards are used as follow: The short curved cards - from mid-October to the end of February. Another is used only for Winter months. sunshine-recorder 2257AD Add friend. Notice burn lines indicating sunshine from about 7:20am to 8:45am, then again for 10 minutes around 11am, again for a couple minutes around 11:30am, then again from around 12:30pm to just after 1pm, then again from about 4:10pm to about 4:40pm, and finally a minute of sunshine at about 5pm. Support G-sensor & motion detection 5. For this reason the longitudinal difference between the single cards is smaller for equatorial zones than that for temperate zones. Sunshine duration (SD) is an essential meteorological variable which has been routinely measured in meteorological practice since over 160 years (Sanchez-Lorenzo et al. our station. Energy Warning #12. The semi-rigid cards simply slide into the appropriate channels on the mounting device and are held in place by tension created by the bow shape the cards are forced into as they are positioned around the bottom of the sphere. The instrument essentially consists of a glass sphere acting as burning lens as well as of a metal bowl arranged in focal length concentrically to the sphere. The energy output of the sun is measured in watts. This type of recorder is made up of a glass ball which concentrates sunshine on to a thick piece of card. If you look all the way to the right on the second paper, you’ll see a small burn showing that there was sunlight for just a minute around 4:40pm.). love the center label artwork on this one, i feel like it illustrates the feeling of the music perfectly. The treated paper is marked in such a way that the time of cloud cover occurrence can be determined. The third paper down from the top shows a day with scattered clouds; more sunshine occured on this day than on the day represented by the paper above it. For use trace produced by strong sunlight does not spread significantly often with slightly specifications... 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