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5.Parameter/technical terms     

N2 SERIES

5-1 Objective                               

5-2

Eyepiece

5-3

Electrics

Type

Magnification

Numerical

aperture

N.A

Medium

Parfocal 

distance

mm

Magnificati

on

market

color 

ring

4X

0.10

Air

45

Red

10X

0.25

Air

45

Yellow

40X

0.65

Air

45

Light blue

60X

0.85

Air

45

Deep blue

DIN 

achromatic 

objective

195mm

100X

1.25

Cedar 

oil

45

White

4X

0.10

Air

45

Red

10X

0.25

Air

45

Yellow

40X

0.65

Air

45

Light blue

Plan 

objective

195mm

100X

1.25

Cedar 

oil

45

White

Type

Wide field eyepiece

Plan eyepiece

Magnification

10X

15X

20X

5X

10X

16X

Field of 

view

mm

ф18

ф13

ф11

ф18

ф18

ф15

XSG

MH4

5

XSG

SGM

XS

GC

C

Summary of Contents for N2 Series

Page 1: ...TEKSCOPE MICROSCOPE Models N2 Series USER S MANUAL ...

Page 2: ...n 4 2 1 Angle of observation 4 2 2 Set the specimen slide 4 2 3 Set illumination 4 2 4 Adjust focus 4 2 5 Adjust diopter of binocular head 5 2 6 Adjust condenser 5 2 7 Adjust diaphragm 5 2 8 Choose the objective 5 2 9 Change the lamp 6 3 General specification 7 ...

Page 3: ...rtation 2 Do not let the microscope emerge in the sun directly Keep it in a dry and clean place Avoid high temperature and acute shake Following environment is required Indoor temperature 0 40 Max relative humidity 85 3 Avoiding impact the definition of the image do not leave feculence or fingerprints on the lens surfaces 4 Before using examine to ensure the power supply voltage is consistent with...

Page 4: ...faces with tissue moistened with a small amount of 3 7 mixture of alcohol and ether 2 Do not use organic solution to wipe the surface of the other components These parts especially the plastic parts should be cleaned with a neutral detergent 3 Do not take down or assemble it yourself 4 After use cover the microscope with the dustcover provided and keep it in a dry and clean place for preventing ru...

Page 5: ...2 Operation N2 SERIES The microscope is housed in a molded styrofoam container ...

Page 6: ...or observation Then lock the head lock screw 2 2 Set the specimen slide Place a specimen to be studied on a glass slide and fix it by the slide holders of the mechanical stage Turn the stage knob to make certain that the specimen is centered over the stage opening 2 3 Set illumination For the microscope only with mirror turn the mirror to get the field of view illuminated For the microscope with b...

Page 7: ...le force to the stage If we need to reduce the tension rotate the tension knob in an anti clockwise direction 2 5 Adjust diopter of binocular head If the diopter of the two eyes is not same binocular head microscope has compensating function Turn the nosepiece to choose the objective 4X and use the left eye to observe the left eyepiece Adjust fine focusing knob and focus correctly Use right eye to...

Page 8: ...ttle of immersion oil must be put between the objective and the cover glass 2 9 Change the lamp or put on the mirror Before changing the lamp first pull the plug out off the electrical socket and wait for a while until the lamp cools down to avoid being burnt Loosen the door screw on the bottom to open the small door Then you can see the lamp and lamp holder Pull the lamp out and insert a new one ...

Page 9: ... 65 60XS 0 85 195 objectives 100XS 1 25 oil Monocular head 360 rotating Binocular head 360 rotating 45 viewing head Trinocular head 360 rotating Coaxial focusing system The arm stand with ascending and descending stage Triple nosepiece Nosepiece Quadruple nosepiece Stage Built in mechanical stage 130mmX140 mm moving range 50mmx76mm Condenser AbbeN A 1 25 Diaphragm Iris diaphragm Built in halogen i...

Page 10: ...drawing N2 SERIES CCD VIDEO CAMERA XS GP H XSG TH30 R XSG TH45 L XSGB H30R XSG BH4 5L XSGPC M50 XSGCD1 25 XSPID XS GNI 3 XS GNI 4 XS GF 1 OP100s OP40s OP10 OP4 OA100s OA60s OA40s OA10 OA4 EWF10X18 EWF10X18p EWF15X16 EWF20X10 EP5 EP10 EP16 eries Biological Microscope guration drawing ...

Page 11: ...d 10X 0 25 Air 45 Yellow 40X 0 65 Air 45 Light blue 60X 0 85 Air 45 Deep blue DIN achromatic objective 195mm 100X 1 25 Cedar oil 45 White 4X 0 10 Air 45 Red 10X 0 25 Air 45 Yellow 40X 0 65 Air 45 Light blue Plan objective 195mm 100X 1 25 Cedar oil 45 White Type Wide field eyepiece Plan eyepiece Magnification 10X 15X 20X 5X 10X 16X Field of view mm ф18 ф13 ф11 ф18 ф18 ф15 XSG MH4 5 XSG SGM XS GC C ...

Page 12: ... 5 5 Technical terms 1 Total magnification magnification of objective X magnification of eyepiece 2 Field of view line field of view of the eyepiece selected magnification of the objective selected 3 N A n sinα max N A is very important parameter which marks the features of the objective and condenser The n is the refractive index of the medium air or immersion oil between the cover glass of the o...

Page 13: ......

Page 14: ...ean thoroughly The immersion oil is not used for oil objective 100XR Use immersion oil Air bubble in the immersion Get rid of the air bubble Use wrong immersion oil Use a correct one The aperture is not opened to correct size Adjust the iris diaphragm Stain or dust has accumulated on the lens in the inlet of the head Clean the lens 3 Unclear image The condenser is not in the right position Adjust ...

Page 15: ...ass with thickness 0 17mm The slide is not fixed correctly Adjust it correctly 3 Can not move the slide smoothly The movable specimen holder is not fixed properly Tighten it 4 Focus knob is not flexible Tension knob is too tight Loosen it a little 5 The stage declines itself to make the image unclear Tension knob is too loose Tighten it a little 6 When focusing up the coarse focusing knob can not ...

Page 16: ...edy Electrics 3 The fuse burnt out usually The voltage is too high Use correct power supply The bulb will burn out soon Replace with a new one 4 The bulb flickers or the brightness is not stable The wire doesn t connect all right Connect correctly ...

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