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Download 07591.00 Induction coil, spark distance 70 mm
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Induction coil, spark distance 70 mm 07591.00 PHYWE Systeme GmbH & Co. KG Robert-Bosch-Breite 10 D-37079 Göttingen Telephone +49 (0) 551 604-0 Fax +49 (0) 551 604-107 Internet www.phywe.com E-mail [email protected] Operating instructions The unit complies with the corresponding EC guidelines. Fig.1: Front view of the Induction coil, spark distance 70 mm 07591.00. 1 SAFETY PRECAUTIONS AND DANGERS • Carefully read these operating instructions completly before operating this instrument. This is necessary to avoid damage to it, as well as for user-safety. • Only use the instrument for the purpose for which it was designed. • Only use the instrument in dry rooms in which there is no risk of explosion. • Do not start up this instrument should there be visible signs of damage to it. • The Induction coil is only to be operated by a technically qualified teacher. • The current German X-ray Regulation does not permit the use of vacuum tubes or discharge tubes together with the Induction coil. For operating outside of germany, please adhere to local standards! Dangers • The customary safety precautions that are valid for working with dangerous electrical voltages must be strictly observed to exclude harm to life or health. In particular, the circuit that is to be connected (experimental set-up) must first be completely set up in a currentless condition and be re-checked prior to switching the instrument on. Operator interventions or changes to the circuit must correspondingly also only take place in a currentless www.phywe.com, © All rights reserved condition. • Care must be taken when working with Induction coils. Contact with the output of an induction coil that is in operation can be dangerous to life. The possibility of inadvertent contact with metal parts during operation must be ruled out. • Endangered personal (e.g. people with cardiac pacemakers) must not be allowed to stay in the vicinity of the instrument (system) when it is in operation. 2 PURPOSE AND DESCRIPTION The Induction coil (Heinrich D. Ruhmkorff principle, around 1851) supplies a pulse-shaped high voltage of approx. 60 kV (as measured with a sphere gap). The spark distance (tip to plate) is max. approx. 70 mm. The Induction coil (primary coil 160 turns, secondary coil 35000 turns) is equipped with a hammer circuit breaker and a quenching capacitor. The Induction coil is operated with a primary-side direct voltage of 4... 8 V-. This is applied to the terminal clamps on the base plate. The max. operating amperage is approx. 3 A. Suitable sources of voltage are a NiCd-accumulator (07490.26) or a variable transformer with rectifier (13531.93). Operation with electronically stabilized instruments is not recommended, as these could be destroyed by the kickback pulse of the Induction coil. The recommended positioning of the spark gap on the Induction coil is with the tip connected to the negative pole, the plate to the positive pole. The Induction coil is so constructed that when the primary-side connection is to the positive pole with the red connecting socket, the positive pole on the secondary side also lies on the redmarked output socket. 1 07591.00/3009 3 PUTTING INTO OPERATION Connect the Induction coil to a source of direct voltage that supplies max. 8 V-. This maximum voltage of 8 V- is not be exceeded. Use the adjusting screw to adjust the contact breaker so that the Induction coil works flawlessly. Cleaning of the tungsten contacts of the circuit breaker with emery paper (320 to 400 grain) is recommended after longer use. Caution Before a renewed start of the instrument, again carry out the safety measures (covering). With this setting, the output voltage can be changed within certain limits. Take care hereby that the circuit breaker does not short-circuit as, with a non-operative Induction coil, too high a primary current would result. To prevent the occurrence of overvoltage, the spark gap must always be fitted on the Induction coil when it is to be operated. No additional leads are to be connected to the secondary connections. 4 NOTES ON OPERATION This high-quality instrument fulfills all of the technical requirements that are compiled in current EC guidelines. The characteristics of this product qualify it for the CE mark. Caution The instrument is only to be operated in technical rooms of training, research or educational facilities and under the supervision of qualified personal. People entrusted with the supervision of experiments and demonstrations must take all measures necessary (such as screening, short connecting leads, brief operating times) to ensure that the proper functioning of instruments that are in use outside of the technical room or in the direct electromagnetic environment is not impaired. The limiting values of Class A (Group 2 of the EN 55011 Norm) may be exceeded in the experimental set-up. Arcing created on discharge could cause radio disturbance up to a distance of some hundreds of meters away. Further to this, the instrument is not to be operated in the vicinity of electronic equipment such as computers, meters as these could be destroyed by the high instrument voltage. 5 NOTES ON THE GUARANTEE We guarantee the instrument supplied by us for a period of 24 months within the EU, or for 12 months outside of the EU. Excepted from the guarantee are damages that result from disregarding the Operating Instructions, from improper handling of the instrument or from natural wear. The manufacturer can only be held responsible for the function and technical safety characteristics of the instrument, when maintenance, repairs and alterations to the instrument are only carried out by the manufacturer or by personnel who have been explicitly authorized by him to do so. 6 WASTE DISPOSAL The packaging consists predominately of environmental compatible materials that can be passed on for disposal by the local recycling service. Should you no longer require this product, do not dispose of it with the household refuse. Please return it to the address below for proper waste disposal. PHYWE Systeme GmbH & Co. KG Abteilung Kundendienst (Customer Service) Robert-Bosch-Breite 10 D-37079 Göttingen Phone +49 (0) 551 604-274 Fax +49 (0) 551 604-246 2 www.phywe.com, © All rights reserved 07591.00/3009