3B SCIENTIFIC PHYSICS 115 V, 50/60 Hz User manual

3B SCIENTIFIC®PHYSICS

Stereo Microscope, 20x, Transmitted-Light Illumination, LED

115 V, 50/60 Hz: 1005442 / 230 V, 50/60 Hz: 1005443

Instruction Manual

07/13 ALF

1 Eyepiece with eye-shields

2 Tube

3 Lock-screw

4 Adjustment knob for focusing

5 Pillar

6 Toggle switch for illumination

7 Specimen clips

8 Stand

9 Object plate

10 Top-light housing

11 Mains switch

12 Objective

1. Description, technical data

The stereo microscope allows three-dimensional

viewing of objects in 20x magnification.

The microscope 1005442 is for operation with a

mains voltage of 115 V (±10%), and the

1005443 unit is for operation with 230 V (±10%).

Stand: Metal stand, column firmly connected

with base, pinion knobs attached on both sides

of the stand for coarse and fine focusing

Tube: Binocular inclined 45°, interocular dis-

tance adjustable between 55 and 75 mm

Eyepieces: Pair of wide field eyepieces WF 10x

20 mm with eyepiece lock and rubber eyepiece

cups, diopter compensation ±5 on the left eye-

piece

Objectives: Lens 2x with slide and quick-

change device

Enlargement: 20x

Object Plate: Base with detachable object

plates (plastic, black/white and glass) 95 mm

diam. and 2 specimen clips

Illumination: LED, top and transmitted light

illumination, toggle switch to select light combi-

nation, power supplied by rechargeable battery,

6 V DC, 500 mA, battery charger 115 V or 230 V

Mains connection: 1005442: 115 V, 50/60 Hz

1005443: 230 V, 50/60 Hz

Dimensions: 190 x 300 x 115 mm³ approx.

Weight: 2.9 kg approx.

2. Unpacking and assembly

The microscope is packed in a molded styro-

foam container.

•Take the container out of the carton remove

the tape and carefully lift the top half off the

3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com

Subject to technical amendments

container. Be careful not to let the optical

items (objectives and eyepieces) drop down.

•To avoid condensation on the optical com-

ponents, leave the microscope in the original

packing to allow it to adjust to room tem-

perature.

•Using both hands (one around the pillar and

one around the base), lift the microscope

from the container and put it on a stable

desk.

The microscope is fully assembled except for

the eye-shields. Position them over the eye-

pieces for viewing comfort and to block out any

ambient light. In addition, the object plate must

be inserted into the stage opening in the base.

3. Operation

3.1 General information

•Set the microscope on a level table.

•Place the object to be observed in the center

of the object plate. Use the clips to fasten it

into place.

•Connect the mains adaptor, and switch on

the illumination.

Alternatively, the microscope can also be oper-

ated without being connected to the mains.

•When using transmitted light illumination

replace black and white plate with the glass

plate.

•On the toggle switch position I is for trans-

mitted light and position II is for top-light.

•Adjust the interpupillary distance between

the eyepieces by grasping the two prism-

housings with both hands and moving them

until one circle of light can be seen.

•Focus the object by turning the side knobs.

•It might be necessary to loosen the lock-

screw and raise or lower the entire stereo

head-bracket until the outline of the object is

found in the field of view.

•Be sure to tighten the lock-screw to fix the

height of the stereo head on the pillar.

•Always turn off the light immediately after

use.

•Be careful not to spill any liquids on the mi-

croscope.

•Do not mishandle or impose unnecessary

force on the microscope.

•Do not wipe the optics with your hands.

•Do not attempt to service the microscope

yourself.

3.2 Changing the objective

•Loosen the lock-screw on the objective

mount with a small screwdriver and pull out

the objective assembly horizontally.

•Insert an alternate objective by sliding it into

the objective mount.

•Secure it by tightening the lock-screw.

4. Storage, cleaning, disposal

•Keep the microscope in a clean, dry and

dust free place.

•When not in use always cover the micro-

scope with the dust cover.

•Do not expose it to temperatures below 0°C

and above 40°C and a max. relative humid-

ity of over 85%.

•Always unplug the mains plug before clean-

ing or maintenance.

•Do not clean the unit with volatile solvents or

abrasive cleaners.

•Do not disassemble objective or eyepieces

to attempt to clean them.

•Use a soft linen cloth and some ethanol to

clean the microscope.

•Use a soft lens tissue to clean the optics.

•The packaging should be disposed of at

local recycling points.

•Should you need to

dispose of the equip-

ment itself, never throw

it away in normal do-

mestic waste. Local

regulations for the dis-

posal of electrical

equipment will apply.

•Do not dispose of the battery in the regular

household garbage. Follow the local regula-

tions (In Germany: BattG; EU: 2006/66/EG).

This manual suits for next models

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