3B Scientific Laboratory Microscope BS-200 - 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.