Unitron Versamet 4 Manual

Contents

Unitron Versamet 4 Manual Manual pdf 19 page image

VERSAMET 4 INVERTED METALLURGICAL MICROSCOPEUNITRON 73 Mall Drive, Commack, NY 11725 • 631-543-2000 • www.unitronusa.com 18OPERATION (continued)LAMP REPLACEMENT -- CAUTION:the glass housing of the lamp may beextremely hot. DO NOT attempt tochange the lamp before it is completelycooled or without wearing adequate skinprotection.Replacement Lamp: Catalog # 150-30-100(12volt 100 watt halogen)Using the DIC Components (Fig. 25)(continued)The fine adjustment knob ③ can control the backgroundinterference color change from gray to mauve.NOTE: Adjusting the aperture diaphragm at the sametime will provide the best contrast.Since the differential interference contrast is verysensitive, there should not be any dirt or dust on thesurface of the sample.Birefringent materials cannot reach the effect ofdifferential interference contrast in microscopicalexamination.Replacing the Lamp (Fig. 26-27)The halogen lamp was installed by our factory techniciansprior to shipment. Should you need to change the lamp,following the instructions below.NOTE: When handling the halogen lamp, handle itonly using lint-free gloves, cloth or tissue. Touchingthe lamp with your fingers or other type of materialcan damage the bulb.Turn the power switch to OFF and UNPLUG themicroscope power cord; allow the lamp to cool.Using the hex screwdriver supplied with yourmicroscope, loosen the lock screw ① and remove theblack illuminator housing cover by sliding it upwards asshown.Using a lint-free glove, cloth or tissue, gently grasp thelamp ② and push the lamp release lever ③ back torelease the lamp; pull the lamp out.Using a lint-free glove, cloth or tissue, gently grasp thereplacement lamp, push the lamp release lever backand insert the lamp pins ④ into the jack ⑤ closest tothe hinge of the lamp release lever, then release thelever; the lamp should be horizontal after installation.Replace the illuminator housing cover and tighten thelock screw.Fig. 26①②⑤④Fig. 27③

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