3B Scientific Binocular Microscope Model 400 - Manual

3B SCIENTIFIC ® PHYSICS
1
Binocular Microscope Model 400 1003275
Instruction Manual
03/13 ALF
1 Eyepiece
2 Tube
3 Revolver with objectives
4 Object stage
5 Condensor lock screw
6 Condensor with iris diaphragm
and filter holder
7 Lamp housing
8 Illumination control
9 Coarse and fine movement con-
trols with holding brake
10 Coaxial movement control for the
specimen stage
11 Mains switch
12 Object guide
13 Lock screw for object stage
14 Stand
15 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 binocular microscope allows two-
dimensional viewing of objects (thin sections of
plant or animal specimen) in 40x to 1500x 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.
Focus range: 15mm, resolution of fine focussing
adjustment: 0.002 mm
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 and WF 15x 13 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 – 1500x
Object stage: x-y cross table, 132 x 145 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 incorporated into the base, universal 85 to
265 V, 50/60 Hz power supply