3B SCIENTIFIC
®
PHYSICS
1
Binocular Course Microscope Model 300 (115 V) 1003272
Binocular Course Microscope Model 300 (230 V) 1003273
Instruction Manual
03/13 ALF
1 Eyepiece
2 Tube
3 Revolver
with
objectives
4 Object
stage
5 Condensor
with
iris
diaphragm and filter holder
6 Lamp
housing
7 Mains
switch
8 Adjustment knob for
mechanical stage
9 Adjustment knob for fine
and coarse focusing
10 Object guide
11 Lock screw for object stage
12 Head lock screw
13 Stand
1. Safety notes
•
For power supply use only electrical sockets
with ground contact.
2. Description, technical data
The binocular course microscope allows two-
dimensional viewing of objects (thin sections of plant
or animal specimen) in 40x to 1000x magnification.
The microscope 1003272 is for operation with a
mains voltage of 115 V (±10%), and the
1003273 unit is for operation with 230 V (±10%).
Stand:
Robust, all metal stand with arm perma-
nently connect to the base. Focussing by means
of separate knobs for coarse and fine adjust-
ment located on either side of the stand and
operated by rack and pinion drive with ball bear-
ings, adjustable stopper for protecting the object
slides and objective
Tube:
Binocular Siedentopf head, 30° viewing
angle, 360° rotatable head, viewing distance
adjustable between 54 and 75 mm, ±5 dioptric
compensation for both eyepieces
Eyepiece:
Pair of wide field eyepieces WF 10x
18 mm
Objectives:
Revolver with 4 DIN achromatic
objectives 4x / 0.10, 10x / 0.25, 40x / 0.65, 100x
/ 1.25 oil (with specimen protection)
Magnification:
40x, 100x, 400x, 1000x
Object stage:
x-y cross table, 125 x 130 mm
2
,
with object guide and coaxial adjustment knobs
perpendicular to the object stage, adjustment
range 70 x 30 mm
2
Illumination:
5 W fluorescent lamp incorporated
in the base integrated in base, with a converging
lens in lamp shaft, power supply 115 V resp.
230 V 50/60 Hz
Condenser:
Abbe condenser N.A.1.25 NA 0.65
with iris diaphragm , filter holder and blue filter,
focussed via rack and pinion drive
Dimensions:
282 x 148 x 357 mm³ approx.
Weight:
5.2 kg approx.