Aladdin B1924-02 User manual

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Website:www.aladdin-e.com
Email: [email protected]
0
B1924-02 Education Primary Compound
Microscopes Instructions
Content B1924-02
Before use……………………………………………… 1
1.Nomenclature.……………………………………………2
2.Operation…………………………………………………3
2-1 Set the specimen slide……….……..…….………………3
2- 2 S et i ll u m i n a ti o n … … … … … …… … … … … … … … … 3
2-3 Adjust focus………………………………………………3
2-4 Adjust diopter of binocular head…….….…….…………4
2-5 Adjust condenser………………………………………… 4
2 -6 A d j u s t di a p h r a g m … . …… . …… … … . … … … … … … 4
2-7 Choose the objective…………… .…….……………… 5
2-8 Change the lamp …………………….…………………5
3.General specification……………………………...………………6
4.Parameter/technical terms…………….………...…………7
5.Troubleshooting……………………………….……….…………9

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
1
Before use B1924-02
1、Operation
（1）As the microscope is a precision instrument, always handle it with
care, avoiding impact or abrupt movement during transportation.
（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
and fingerprints on the lens surfaces.
（4）Before using, examine to ensure the power supply voltage is
consistent with the rating voltage.
2、Maintenance
（1）All glass surfaces must always be kept clean. Fine dust on the
optical surface should be blown off by means of a hand blower or
gently wiped off with a soft lens tissue. Carefully wipe off oil or
fingerprints on the lens surfaces 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 rust.

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
2
1. Nomenclature B1924-02
Limit-stop-screw
Coarse-focusing-knob
Fine-focusing
-knob
Switch
Base lens
Condenser, iris
diaphragm
Disc diaphragm
Stage
Clips
Objective
Nosepiece
Binocular head
Eyepiece
Eyepiece
B1924-02
B1924-02

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
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2.Operation B1924-02
The microscope is housed in a molded styrofoam container.
First take the container out of the carton, and lay the container on its
side. Open the container carefully and don’t let the optical items drop
down, avoiding them being damaged. Check carefully to ensure the
arm and accessories are well.
Install the objective into the microscope nosepiece from the lowest
magnification to the highest, in a clockwise direction from the rear.
Insert the eyepiece into the eyepiece tube.
2-1 Set the specimen slide
Place a specimen to be studied on a glass slide, and fix it by
the slide-holder of the mechanical stage. If we use the
movable specimen holder, fix the specimen by slide-holder
of the movable specimen holder. Adjust its position by the
switch of the movable specimen holder.
2-2 Set illumination
For the microscope only with mirror, turn the mirror to get the field
of view illuminated.
For the microscope with built-in electrical illuminator, insert the plug
of the main cable into the power socket and turn on the light switch to
get the specimen illuminated.
2-3 Adjust focus
Adjust the coarse-focusing-knob to bring the slide into focus. Then
lock the limit-stop-screw to avoid impact between the objective and
slide. Adjust the fine-focusing-knob to get the image sharper and
clearer.
For binocular head microscope, we also should do some more

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
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Email: [email protected]
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2.Operation B1924-02
adjustments:
(1)Hold the two ends of the head-cover and adjust the interpupillary
distance by pushing or pulling the cover, until one circle of
light can be seen.
(2)After finishing the interpupillary adjustment, look at the graduation
value in the middle of the head-cover. Turn the two diopter-ring and
aim the same graduation value at the graduation line on the eyetubes.
2-4 Adjust diopter of binocular head
If the diopter of the two eyes is not same, binocular head microscoper
BM-100FL 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
observe the right eyepiece. Gain the clear image by turning the
diopter-ring up and down.
For the DM-100FL, after focusing by the 45°inclined head, adjust the
adjusting ring of the vertical eyepiece tube until we can observe the
object clearly.
2-5 Adjust condenser
For the microscope with Abbe condenser, make the Abbe condenser
up or down to get the image brightness suitable for observacation.
2-6 Adjust diaphragm
For the microscope with disc diaphragm, turn the diaphragm to select
a aperture to get the background brightness suitable.
For the microscope with iris diaphragm, adjust the aperture of the iris
diaphragm to get the background brightness suitable.

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Website:www.aladdin-e.com
Email: [email protected]
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2.Operation B1924-02
2-7 Choose the objective
Turn the nosepiece to choose the objective. Objective selected should
be set vertically right to the slide. Generally, first use the objective
4X to focus to reveal general structural image. Then use the high
power objective to reveal smaller details.
When using the oil objective 100XR, a little of immersion oil must be
put between the objective and the cover glass. In addition, only
when the Abbe condenser is on the arm, the 100XR
objective can be used.
2-8 Change the lamp
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. Then screw off the base lens in an anti-clockwise direction
and insert a new lamp and screw on the base lens.

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
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3.General specifications B1924-02
B1924-02 Microscope General specifications (For option)
Install
Model
Parts
Specifications
B1924-02
WF
eyepiece
WF10X/18mm
●
WF10X/18mm with pointer
WF10X/18mm with reticle
WF15X/13mm
WF20X/10mm
Huygens
eyepiece
H5X/ H6X
H10X
H12.5X
H15X/ H16X
195 objective
4X/0.10
●
10X/0.25
●
40XS/0.65
●
60XS/0.85
100XS/1.25（oil）
45°view
head
Dual viewing head
Monocular head 360°rotating
●
Binocular head 360°rotating
Stand
Metal base and stand
●
Movable
specimen
holder
White holder
Black holder
Nosepiece
Triple nosepiece
●
Quadruple nosepiece
Stage
110mmX120mm
●
Built-in movable stage
125mmX130mm
Polarized set
Clips
●
Condenser
Single N.A.0.65
●
AbbeN.A.1.25
Diaphragm
Five-aperture disc diaphragm
●
Iris diaphragm
Illumination
ф42mm mirror
Built-in illuminator
●
Lamp
Tungsten bulb 115V/20W
Halogen bulb 230V/20W
●
Filter
Blue/Yellow/Green

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
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4.Parameter/technical terms B1924-02
4-1 Objective
4-2 Eyepiece
4-3 Electrics
The electrics are assembled according to customer’s order. There are
two kinds for option.
220V～240V power supply : 220V～240V±10%, 50/60Hz
Lamp: 220V/20W tungsten lamp
The electrics have gained the CE and GS certification.
100V～120V power supply : 100V～120V±10%, 50/60Hz
Lamp: 110V/20W tungsten lamp
The electrics have gained the UL certification.
4-4 Parameter
(1) Total magnification: 20X～1600X
(2) Field of view: ф0.08～ф4.5mm
(3) Mechanical tube length: 160mm
(4) Object to primary image distance: 195mm
Type
Magnification
Numerical
aperture
（N.A）
Medium
Parfocal
distance
（mm）
Magnification
market
（color ring）
DIN
achromatic
objective
195mm
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
100X
1.25
Cedar oil
45
White
Type
Wide field
Huygens
Magnification
10X
15X
20X
5X/6X
10X
12.5X
15X/16X
Field of view（mm）
ф18
ф13
ф11
ф15
ф12
ф10
ф8

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
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4.Parameter/technical terms B1924-02
4-5 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 objective and the specimen. The “α” is the half
of the aperture angle. The N.A.is bigger, the resolution of the
objective is higher.
(4) Object to primary image distance: the distance between the object
plane to the primary image plane. The conjugate distance is fixed.
(5) Mechanical tube length: The distance between the objective
shoulder and the ocular shoulder.

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
9
5.Troubleshooting B1924-02
Symptom
Cause
Remedy
Optics
(1)The side of the
field of view is
dark or not even.
The nosepiece is not in the right position.
Turn the nosepiece into
the right position.
Stain or dust has accumulated on the
condenser,objective,eyepieces,base,lens. .
Clean the lens.
(2)Stain or dust
is observed in
the field of view.
Stains have accumulated on the specimen.
Clean the specimen.
Stains have accumulated on the lens.
Clean the lens.
(3)Unclear image
No cover glass on the specimen slide.
Add the cover glass.
The cover glass is not standard.
Use a standard cover glass
with thickness 0.17mm.
The specimen faces down.
Make it face up.
The immersion oil has accumulated on the dry
objective.
Clean 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.
Stains or dust has accumulated on the lens in the
inlet of the head.
Clean lens.
The condenser is not in the right position.
Adjust the condenser.
(4)One side of the
field of view is
dark or the image
moves while
focusing.
The specimen slide is not fixed.
Fix with clips.
The nosepiece is not in the right position.
Turn the nosepiece into
the right position.
(5)The field of
view is not bright
enough.
The iris diaphragm is not bigger enough
Adjust the iris diaphragm.
The condenser is not in the right position
Adjust the condenser.
Stain or dust has accumulated on the condenser,
objective, eyepieces, base lens.
Clean lens.
(6)The image
color is not true
No filter is used.
Use correct filter.

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Address:800 S Wineville Avenue, Ontario, CA 91761,USA
Website:www.aladdin-e.com
Email: [email protected]
10
5.Troubleshooting B1924-02
Symptom
Cause
Remedy
Mechanics
(1) The image
is not focused
while using
high power
objective.
The cover glass faces down.
Put the cover glass to
face up.
The cover glass is not standard.
Use a standard cover
glass with thickness
0.17mm.
(2) The
objective
touches the
cover glass
while turning
the nosepiece.
The cover glass faces down.
Put the cover glass to
face up.
The cover glass is not standard.
Use a standard cover
glass with thickness
0.17mm.
(3)Can not
move the slide
smoothly.
The slide is not fixed correctly.
Adjust it correctly.
The movable specimen holder is not fixed
properly.
Tighten it.
Electrics
(1)The bulb
does not
work.
No power supply.
Check the connection
of the power cable.
The bulb is not inserted correctly.
Insert it correctly.
The bulb burnt out.
Replace it.
The fuse burnt out.
Replace it.
(2)The bulb
burnt out
usually.
The voltage is too high.
Use correct power
supply.
Use a wrong bulb.
Replace with a
correct one.
(3)The fuse
burnt out
usually.
The voltage is too high.
Use correct power
supply.
(4)The bulb
flickers or the
brightness is
not stable.
The bulb will burn out soon.
Replace with a new
one.
The wire doesn’t connect all right.
Connect correctly.