Manual

3B SCIENTIFIC
®
PHYSICS
1
Binocular Course Microscope Model 300 U30706
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 mechani-
cal 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.
• 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 1000x magnifi-
cation.
The microscope U30706-115 is for operation with a
mains voltage of 115 V (±10%), and the U30706-230
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 adjustment
located on either side of the stand and operated by
rack and pinion drive with ball bearings, adjustable
stopper for protecting the object slides and objec-
tive
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
Eyepiece: Pair of wide field eyepieces WF 10 x
18 mm
Objectives: Revolver with 4 DIN achromatic objec-
tives 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 per-