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Summary of Contents for Eisco PH 0920
- Page 1 VAN DE GRAAFF GENERATOR MOTOR DRIVEN CAT NO. PH 0920 Instruction Manual...
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Page 2: General Background
(positive on the triboelectric scale), the wool gives some of its electrons to the amber and both emerge with a net charge. Before After Wool Amber Wool Amber Net + Net -- Neutral Neutral Diagram 1 © EISCO SCIENTIFIC www.eiscosci.com... - Page 3 The concentrated negative charges on the stationary roller repel negatively charged electrons on the brush (mesh metal square), leaving positive charges near the brush tips. belt roller discharge wand ionization brush Diagram 2 © EISCO SCIENTIFIC www.eiscosci.com...
- Page 4 When this occurs, the high voltage from the charged conductor breaks down the air surrounding the top of the device. The conductor will discharge through any Diagram 3 © EISCO SCIENTIFIC www.eiscosci.com...
- Page 5 Determination of fields are qualitative, not quantitative (e.g. forces between two human-scale objects are too small to measure without sensitive instrumentation.)] REQUIRED COMPONENT (INCLUDED) Name of Part Quantity Assembled base (rollers, belt, brushes) Large metal dome Discharge wand Electrical Cord © EISCO SCIENTIFIC www.eiscosci.com...
- Page 6 Socket for holding accessories Large Metal Dome Belt Switch to adjust speed Wire brush Discharge Wand Electrical cord 4mm plug for banana plug wire to Base attach to the ground 4mm plug for connecting discharge wand to ground © EISCO SCIENTIFIC www.eiscosci.com...
- Page 7 To prolong the life of the belt, run the generator for only short periods of time and ensure that the brushes are not in direct contact with the belt. © EISCO SCIENTIFIC www.eiscosci.com...
- Page 8 Allen Key Diagram 8 Remove the top roller. The top roller can be removed by simply lifting the top roller out of the holder. Once the top roller is removed, slowly release the tension on the band. © EISCO SCIENTIFIC www.eiscosci.com...
- Page 9 To clean the top brush, remove it by unscrewing the screws and be sure the solvent evaporates before reinstalling. Note: When replacing the brushes, they should be as close as possible to the belt without actually touching it. © EISCO SCIENTIFIC www.eiscosci.com...
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