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Summary of Contents for BHT-111

Page 1: ...MOdCI BHT...

Page 2: ...ly asthiswill cause damage Makesurethat the voltage selector switchon the base plateissetto conformwith the local mainsvoltage Makeit a point of grounding the microscope to prevent electricaccidents...

Page 3: ...l Observation Tube 1 Interpupillary Distance Adjustment 2 Diopter Adjustment 3 Light PathSelector Condenser Adjustment 1 Condenser Centration FieldlrisDi m Aperturelris Diaphragm FocusingAdjustment 1...

Page 4: ...d BH2 SVR low drivecoaxialcontrols 1 1 1 Condensers Abbe condenser BH2 CD 1 1 0 Swing outcondenser BH2 SC 0 0 1 Halogen lamPholder LS 20H 1 1 1 Halogen bulbs 6V20WHAL 2 2 2 Objectives D Ach 4X D Ach 1...

Page 5: ...nd interchangeable accessories as shown in the photo below A wide variety of combinations standard or optional isavailable according to your requirements Eyepiece Halogenlamp holder Observationtube Mi...

Page 6: ...ng the glasssurface NoTE For numbers and please referto explanations in detailon the next page Specimen holder Observation tube clampingscrew Clamping scre n s Condenser clamPi ngscrew NosePiece I8 Ha...

Page 7: ...o c k p u s hi n t h e n o s e pieceslowly all the way NOTE Do not tilt or rock the nose piece while inserting into the m o u n t i n qb l o c k Mounting the observationtube 1 L o o s e nt h e c l a m...

Page 8: ...rated in 3 positionsto deflect the light as desired Tensionadjustmentrlng Clockwiserotation increases coarseadjustmenttension Coarse adjustment knob Coarseadjustment range 26mm Fineadjustmentknob Stag...

Page 9: ..._n Diopteradjustment flng F i e l di r i sd i a P h r a g m r i n g Ar r ow m a r k O Q indicates i ncr e ase in di aPhragm diameter Condenser height adjustmentknob Pre focusing lever Line cord I...

Page 10: ...age12 G Swingin the desiredobjective H Adjust light intensity l Finefocus J Adjust apertureirisdiaphragm and field irisdiaphragm page12 Adjustment of lllumination System for Various objective Powers N...

Page 11: ...ncreas ing intensity Fig 5 the LED readout will displaythe lamp voltage B Placementof a SpecimenSlide 1 Rotate the coarse adjustment knobs O in the direction of the arrow to rack down the stageso that...

Page 12: ...nser and the differential interferencecontrastcon denser 3 Bring the portion of the specimenfor obser vation into the light path by means of the low drive control knobs Fig B Tighten the stage clampin...

Page 13: ...th Selection 1 The trinocular tube is provided with a light path selectorknob to direct the light to the observation tube and or to the photo tube in 3 positions Fig 13 1 2 3 Fig i 1 Fis 12 o E ffilrF...

Page 14: ...e d i a m e t e r o f t h e i r i s d i a p h r a g m p r o g r e s s i v e y d i a p h r a g m b e c o m e s i n s c r i b e d i n t h e f i e d i t m e a n s t h a t Fig 15 Field lris DiaPhragm Ape...

Page 15: ...creases the sensitivityof the fine focus ing motion The rubbercap is optionally avail able 2 Pre FocusingLever This lever is provided to preventpossible contact between specimenand objective as well a...

Page 16: ...nce After use carefully wipe off the immersion oil depositedon the lens surfaces with gauzemoistenedwith xylene Never leaveoil on the lenssurfaces after use as oil remnantswill seriouslyimpair the per...

Page 17: ...amera 120RollFilm Holder 1 Selectthe field of vieweyepiece matchingthe cameraback in useand insertit into the right eyepiece tube of the trinoculartube aligninglocatinggrooveand locatingpin 2 Whileloo...

Page 18: ...itsof sharpness in the imageformedby an opticalsystem As you stopdownthe apertureiris diaphragm the focal depth becomeslarger The largerthe N A of an objectivethe shallowerthe focaldepth A numberthat...

Page 19: ...ingto your purpose Nosepiece is not clickedinto place Slightlyrotatenosepiece until it clicksinto place Nosepieceis not correctly mounted Insertnosepiece dovetailinto microscope frameall the way thenl...

Page 20: ...ceis not correctlY mounted f Field of view is PartiallY out of focus or imageis PartlYout of focus SlightlyrotatenosePiece until it clicksin place Objective is not correctlY positioned in the lightPat...

Page 21: ...erlimit Pre focusing lever is engaged in lower than focusingposi tion Unlocklever d Stage cannot be lowered to the lower limit Stage is mountedtoo low Raise stagemount with Allen wrench e Objective fr...

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