3B SCIENTIFIC PHYSICS BS-200 Instruction Manual

3B SCIENTIFIC

®

 PHYSICS 

1 

Laboratory Microscope BS-200   1005455 

Instruction Manual 

08/13 ALF 

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 

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 

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

2

, 

with object guide and coaxial adjustment knobs 

perpendicular to the object stage, adjustment 

range 50 x 76 mm

2

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.