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                                                                                                                  BM-300

 

 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Left Coarse Focus Knob 

Interpupillar Distance

 

Indicator 

 

Fig.12 

Clocking Set 

Condenser Focusing Knob

 

 

Left Fine Focus Knob 

Aperture Iris Diaphragm Collar 

Indicator 

Summary of Contents for BM-300

Page 1: ...his manual is for biological microscope Model BM 300 To ensure the safety obtain optimum performance and to familiarize yourself fully with the use of this microscope it is recommended strongly that y...

Page 2: ...R NOTICES 2 1 Components Name 3 2 Assembly 4 2 1 Assembly Diagram 2 2 Assembly Procedures 4 5 3 Adjustment 8 3 1 Adjustment Set Diaphragm 8 3 2 Adjustment Procedures 11 4 Technical Specifications 13 5...

Page 3: ...ngeover switch 8 Always use the power cord provided by Novel II Maintenance and Care 1 All the lenses have been adjusted properly do not dismount them by yourself please 2 The nosepiece and coarse and...

Page 4: ...3 1 Components Name BM 300 Eyepiece Binocular viewing head Nosepiece Objective Main body...

Page 5: ...nents The number in the figure shows the assembly steps Before installing be sure every components is clean do not score any parts or glass surface Keep well with hexagon wrench provided When changing...

Page 6: ...ing head Fig 1 2 Insert the binocular viewing head into the microscope head and turn it to a proper position then screw down the bolt to fix it 2 2 2 Installing the eyepiece Fig3 4 Insert the eyepiece...

Page 7: ...agnification Installing objective this way will make the change of magnification to be easier during using Clean the objective regularly for lens is susceptible to dust When operating use 10 magnifica...

Page 8: ...power supply receptacle Make sure the connection is well Do use the supplied power cord all the time If lost or damaged select the same standard cord please A wide range of voltage like 100V 240V is...

Page 9: ...peration BM 300 3 1 Adjustment set diagram Fig 14 15 Right Fine Focus Knob Right Coarse Focus Knob Tension Adjustment Collar Main Switch Portrait Adjustment Knob Lateral Adjustment Knob Brightness Adj...

Page 10: ...9 BM 300 Left Coarse Focus Knob Interpupillar Distance Indicator Fig 12 Clocking Set Condenser Focusing Knob Left Fine Focus Knob Aperture Iris Diaphragm Collar Indicator...

Page 11: ...center of the mechanical stage and use the stage clips to clamp it 2 Turn the portrait and lateral adjustment knob of the mechanical ruler move the specimen to the required position Be careful when ch...

Page 12: ...n one The condenser and the objective are coaxial It has been adjusted before leaving factory so the user needn t to adjust them by self The highest position of the condenser has been adjusted too It...

Page 13: ...viewing head is the diopter in use 3 3 8 Adjusting the tension adjustment collar Fig 23 Turn the tension adjustment collar with your fingers When the collar is turned in the direction of the arrow te...

Page 14: ...00 Focusing Coaxial Coarse and Fine Adjustment Moving Range20mm Fine Division 0 002mm Condenser Abbe Condenser NA 1 25 Stage Double Layers Mechanical Stage 140mm 140mm Moving Range 75 50mm Illuminatio...

Page 15: ...ead 1 Condenser Abbe Condenser NA 1 25 1 Nosepiece Quadruple 1 3W LED 1 Illumination Spare BGX 1 20 0 25A Fuse 2 2 Eyepiece 10 Wide Field Plan Eyepiece 18 mm 2 10 Wide Field Plan Eyepiece 20 mm 2 Infi...

Page 16: ...t especially for 40X objectives Wipe the oil A lens the objective condenser eyepiece or collector is dirty Clean it Immersion oil is not used with the 100x objective Use specified oil Air bubbles exis...

Page 17: ...at of the other Interpupillary distance is incorrect Adjust interpupillary distance The diopter is not proper Adjust the diopter properly 5 Observation is tiring The brightness of the illumination is...

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