APPLICATION
The SILVER250 Series biological microscope is designed for microscopic observation of thin
specimens with transmitted, visible light.
SILVER
250
SERIES
| 05
SILVER
250 SERIES
SILVER
LINE
FIRST TIME USE
Before installing and using the biological microscope, make sure to read carefully the Safety
Instructions.
1. When unpacking and handling, please do not touch the optical surfaces. After unpacking,
place the biological microscope on a flat workbench and remove any foam padding or spacer
used to prevent vibration during transportation.
2. Connect the cable/ charger to the power supply. Before plugging in, keep in mind that the
working voltage of the biological microscope shall be the same as the supply voltage.
3. Turn on the power switch at the back of the arm.
Note: Make sure that the brightness control is in the minimum position before turning on or
off the power switch.
4. Rotate the brightness control to the desired illumination.
5. After use, turn the brightness control to the minimum position, and then turn off the power
and put on the dustproof cover.
6. The coarse focus tension has been set at the factory, but can be readjusted as required.
INSTRUMENT AND ITS MAJOR FEATURES
Major features of the instrument include:
• Built-in LED illumination with brightness adjustment.
• Coaxial coarse and fine focus adjustment with coarse focus tensi on control.
• 75mm x 50mm mechanical stage with slide clips.
• Quadruple revolving nosepiece with ball bearings, thread pitch 0.8”.
• Objectives: 4X, 10X, 40X and 100X (oil immersion), applicable for brightfield, applicable
for darkfield (10X and 40X) and Phase contrast objectives 10X and 40X.
• Field number of 10X eyepiece is 20; high point design for observers with glasses.
•Ergonomically designed binocular tubes with observation angle of 30°; adjustable interpu-
pillary distance
FIRST TIME TO USE & OPERATION
