3B Scientific Binocular Course Microscope Model 200 (115 V, 50__60 Hz) - Manual (Page 3)

3B SCIENTIFIC ® PHYSICS
1
Binocular Course Microscope Model 200 U30701
Instruction Manual
10/07 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 fine
focusing
9 Adjustment knob for coarse
focusing
10 Specimen clips
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.
• Always unplug the mains plug before cleaning
or maintenance.
• Be careful not to spill any liquids on the mic-
roscope.
• Do not wipe the optics with your hands.
• Do not disassemble objective or eyepieces to
attempt to clean them.
• Do not mishandle or impose unnecessary force
on the microscope.
• Do not clean the unit with volatile solvents or
abrasive cleaners.
• Do not attempt to service the microscope your-
self.
2. Description, technical data
The binocular course microscope allows two-
dimensional viewing of objects (thin sections of
plant or animal specimen) in 40x to 400x magnifi-
cation.
The microscope U30701-115 is for operation with a
mains voltage of 115 V (±10%), and the U30701-230
unit is for operation with 230 V (±10%).
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 dovetail teeth, adjust-
able stopper for protecting the object stage and
objective
Tube: Binocular Seidentopf head, 30° viewing
angle, 360° rotatable head, viewing distance ad-
justable between 54 and 75 mm, ±5 dioptric com-
pensation for both eyepieces