STEINDORFF NYMCS-290 Manuale utente

STEINDORFF®

Inverted Biological

Microscope

NYMCS-290

User Manual

This manual is written for Inverted Biological Microscope NYMCS-290. For safety and for exerting the best

performance, making you familiar with the instrument entirely, it is strongly recommended that you read this

manual carefully before using the microscope. For the further reference, please place this manual in a position

where nearby the worktable and fetched easily.

STEINDORFF®

1. Do not keep the instrument in a direct sunlight, high

temperature or humidity, dusty and easy shaking

environment. Make sure the stage is plane, horizontal and

stable enough.

2. When moving the microscope, please hold up the

instrument with one hand on the lower side of the eyepiece

tube ①, and the other hand on the illumination bracket

②. (Figure 1)

3. If the bacterium solution or the water splash to the stage,

objective or viewing tube, pull out the power cord at once,

and wipe up the microscope. Otherwise, the instrument

will be damaged.

4. When working, the lamp house on the top of the arm ③

(Figure1) will become very hot, be sure there have enough

room around the lamp house (especially the top) for cool.

5. Before replacing the lamp bulb or fuse, turn the main

switch on the “O” (off) position, then cut off the power. If

the lamp is on, or soon after it has been turned off, it is hot

and will cause serious burns, please do the replacement

after it cool down completely.

Specified: the halogen lamp 6V30W

6. Earth this instrument to prevent the lightning strike.

7. Use the supplied power cord, please.

Safety Note

Maintenance

oUse the gauze to wipe the glass parts gently .If removing the fingerprints and oil stains, slightly dampen

gauze with the xylene or the admixture liquid which comparison is 3:7 of the ethanol and the ether to

wipe.



Note: the ethanol and the ether are all very combustible, do not put these chemicals near fire or

the possible electricity spark source such as the electronic equipment open and close operation.

Use these chemicals in a well ventilated room as far as possible.

oDon’t use organic solvent to wipe the non-optical elements, If you need to clean, use the neutral

detergent, please.

oWhen using, if the microscope is splashed by liquid, cut off the power at once, and wipe up the

moisture.

USER NOTICE

Figure 1

Figure 2

STEINDORFF®

oDo not disassemble any parts of the microscope. That will affect the function or decline the

performance of the microscope.

oIf haven’t mounted the objective, please cover the dust cap to prevent the dust and the splashed liquid of

the tissue culture entering the inside.

oWhen not using, remember to cover up the microscope with the dust casing. And make sure the lamp

cools down enough before you do so.

Safety Symbol

Symbol

Meaning

The surface is very hot, not touch by your hands

Before using, please read the instruction carefully, improper operation will result in bodily injure or

instruction malfunction.

The main switch on

The main switch off

STEINDORFF®

1. COMPONENT NAMES

Objectives

4x

10x (PH)

20x (PH)

40x

Phase contrast slider

Lamp house

Illumination bracket

Condenser

Stage inserted plate

Ocular (eyepiece)

Trinocular viewing

tube (Fixed)

Microscope base

Stage (Fixed)

Objective turret (Nosepiece)

(Fixed)

Figure 1

STEINDORFF®

2.1. Installing diagram

The following figure shows the installation sequence of the components.



Before installing, be sure every components is clean, do not score any parts or glass surface.



Keep well with the supplied hexagon wrench. When changing the components, you will need it

again.

2. INSTALLATION

Figure 2

Color Filter

Lamp house

Condenser

illumination unit

Filter holder

Ocular (eyepiece)

Glass stage

Objectives

Power cord

Mechanical ruler

Stage lengthen splint

Microscope base

STEINDORFF®

2.2.1. Installing and replacing the lamp (Figure 3)

Please use the specified halogen Lamp 6V30W

1. Hold to the bulb ①after you wrap it with gauze or other

protection materials, then depress the plugs ②into the

jack ③on the lamp house, ensure the filament and the bolt

④are in a same level.

2. Replacing the lamp when using or soon after.

When using, or soon after it is turned off, the lamp, the

lamp house and nearby parts will be very hot and will

cause serious burns. Please turn the main switch on “O”

(off), pull up power plug, and make sure the bulb, the lamp

house and periphery are all cool. Then, you can do your

replacing.

Please insert the lamp gently, or it will be damaged by

excessive extrusion.

Do not touch the Halogen bulb with your hands. It will

shorten the service life or cause it to burst. If you leave

fingerprints on the surface carelessly, clean it with a dry

soft cloth.

2.2.2. Installing the condenser illumination unit (Figure 4)

1. Insert the condenser illumination unit ①into the bracket

②gently, according the figure showed in the left.

2. Turn the condenser illumination unit at clockwise about

90°, let the “AS” mark of filter holder ③facing forwards,

and keep the screw of condenser illumination unit and the

hole of the holder in line, then screw down the bolt in the

hole with the supplied hexagon spanner.

3. Insert aviatic BNC connector plugs ④into aviatic BNC

connector jack ⑤.

2.2.3. Installing the lamp house (Figure 5)

Keep the BNC connector plugs ①and the lamp house pin ②in line, and keep the bolt ③and the condenser jack ④

in line, too. Then push the lamp house into the illumination unit gently until they are against.

2.2. Installing steps

Figure 3

Figure 4

Figure 5

STEINDORFF®

2.2.4. Installing the objective (Figure 6 and 7)

1. Turning the coarse fusing knob ①like the figure shows till

the nosepiece get to its lowest position.

For ensuring the safety of the instruction on

transportation, the nosepiece is located in the lowest

position and the tension adjustment collar ②is adjusted

in an appropriate tight tension while leaving the factory.

2. Screw the lowest magnification objective on to the turret

from the nearside, then turn the turret clockwise, mount

other objectives according the magnification sequence of

low to high.

oMount objective like this way will make the change of

magnification to be very easy in using.

oIt also can install the objective through the stage opening.

Clean the objective regularly, the objective used in the

inversed microscope is very sensitivity about dust.

Do cover all the unused holes with turret dust caps ③, to

prevent the dust and contamination entering inside.

When operating, use the low magnification objective (4X or

10X) to search and focus the specimen at first, then replace

the higher magnifications if necessary.

When replace the objective, slowly turning the nosepiece

until you hear “clicked”, which means the objective enter

into the right position - center 7 of the light path.

Figure 6

Figure 7

Figure 8

STEINDORFF®

2.2.5. Installing the stage lengthen splint and the mechanical ruler (Figure 8)

oStage lengthen splint can be installed in either side of the stage to enlarge the work surface. But you can’t install the

mechanical ruler together.

oGenerally, the mechanical ruler will be installed in the right side for comfortable adjustment.

1. Installing the stage lengthen splint

First, Screw the fixed bolt①on to the splint , then mount it on to the stage from right or left below, screwing down it

until it stay hard.

2. Installing the mechanical ruler

Please install the ruler like the way of the stage splint.

2.2.6. Installing the stage inserted plate (Figure 9)

1. When using the glass stage ①, there is no special require, you just need to place it in a plane.

2. Install the stage inserted plate on to the stage opening.

oTurn the disk, let the V nick to face user, so the recognition of the objective will become easier.

2.2.7. Installing the eyepiece (Figure 10)

1. Remove the cap of the eyepiece tube ①.

2. Insert the eyepiece into tube until they are against.

2.2.8. Installing the color filters (Figure 11)

Be sure the color filter cools down completely before you change them. Take down the filter holder ①, then

install the color filters ②you need.

oMount the color filter downwards like ③shown, keep it horizontal through the end, not allow inclined.

If the color filter is inclined or not get to the end, it will drop possibly.

oThe color filter could be piled on the holder, so you can install more than one filter according the needs if you can

ensure the whole thickness is less than 11mm.

Figure 9

Figure 10

Figure 11

STEINDORFF®

2.2.9. Connecting the power cord (Figure 12, 13 and 14)

Do not bring the power cord to bear a powerful stress.

When being bent or wrapping, the cable and wires will be

broken easily.

1. Turn the main switch ①on “O” (off) state before

connecting the power cord.

2. Insert the plugs ②into the power jack ③of the

microscope safely.

3. Plug the power cord ④into the power supply receptacle.

Make sure the connection is well.

4. Insert aviatic BNC connector plugs ⑨into aviatic BNC

connector jack ⑧

Do use the supplied power cord all the time. If lost or

damaged, select the same standard cord, please.

Connect the power cord correctly, to ensure the

instrument is earthing.

2.2.10. Replacing the fuse (Figure 12 and 13)

Do remember to turn the main switch ①on the state of “O” (off)

before replacing the fuse, and unplug the power cord. Rotate the

fuse ⑥kits out of the holder ⑦by the “--”type screwdriver,

replace a new fuse, then rotate back to the holder again.

Fuse rating: 250V，500mA.

Figure 12

Figure 13

Figure 14

STEINDORFF®

3.1.1. Turning on the lamp (Figure 15)

Connect the power, turn on the main switch ①which on the

bottom side of the base to “ - ”(on).

3.1.2. Adjusting the brightness (Figure 16)

Turning the brightness adjustment knob clockwise, the voltage

raise, and the brightness strengthen; whereas turning at the contra

direction, the voltage decline, and the brightness weaken.

oUsing the lamp in a low voltage condition, will prolong

the service life.

3.1.3. Adjusting the tension adjustment collar (Figure 17)

The tight tension of the coarse focus knob ②had

already adjusted before leaving factory.

oHow to adjust the tight tension

Turning the tension adjustment collar ①. While revolving

at the direction which shown by the arrowhead on the

figure, the tight tension of the coarse focus knob ②is

increasing; and if at the contra direction, the tight tension

will decline.

If the nosepiece dropped automatically, or the specimen

defocused soon even you focus with the fine focus knob

③. It means the coarse focus knob is too loose, you

should screw it down at the direction shown by the

arrowhead in the figure 17.

3.1. Microscope base

3. OPERATING THE ADJUSTMENT

Figure 15

Figure 16

Figure 17

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