3B SCIENTIFIC PHYSICS BS-200 Instruction Manual

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3B SCIENTIFIC

Laboratory Microscope BS-200 1005455

Instruction Manual

08/13 ALF

1. Safety notes

•

For power supply use only electrical sockets

with ground contact.

Caution! The Stirling engine becomes hot during

use. Risk of burns!

•

Do not touch the lamp during or immediately

after use.

2. Description, technical data

The laboratory microscope BS-200 allows two-

dimensional viewing of objects (thin sections of

plant or animal specimen) in 40x to 1000x mag-

nification.

Stand: Robust, all metal stand with arm perma-

nently connected to the base. Focussing by

means of separate knobs for coarse and fine

adjustment located on either side of the stand

and operated by rack and pinion drive with ball

bearings and retaining lever, adjustable stopper

for protecting the object slides and objective

PHYSICS

Tube: Binocular at 30° angle, rotatable through

360°, viewing distance adjustable between 50

and 76 mm, ±5 dioptric compensation for both

eyepieces

Eyepiece: Pair of eyepieces PL10x 18 mm with

infinite optics and "high eye point"

Objectives: Inverted objective revolver with

plan achromatic infinite objectives 4x, 10x, 40xS

und 100xS Oil

Magnification: 40x, 100x, 400x, 1000x

Object stage: x-y cross table, 150 x 140 mm

with object guide and coaxial adjustment knobs

perpendicular to the object stage, adjustment

range 50 x 76 mm

Illumination: Adjustable 6 V, 20 W halogen

lamp, built-in transformer for 90 to 240 V mains

voltage

Condenser: Condenser NA1.25, iris diaphragm,

focussed via rack and pinion drive

Dimensions: 320 x 200 x 400 mm³ approx.

Weight: 6.7 kg approx.

1 Eyepiece

2 Tube

3 Revolver with objectives

4 Object guide

5 Object stage

6 Condenser control (not visible)

7 Condensor with iris diaphragm

8 Lamp housing

9 Illumination control (not visible)

10 Base

11 Lamp compartment

12 Mains switch

13 Coarse and fine movement con-

trols with holding brake

14 Condensor lock screw

15 Coaxial movement control for the

specimen stage

16 Stand

17 Lock screw for object stage

18 Head lock screw