POL-200 Semiautomatic Polarimeter
4
Measurement
POL-200 semiautomatic polarimeter can be used for measuring the four parameters, including the optical rotation, specific rotation, concentration and
International Sugar Scale. Click the Setup icon to enter the setup menu, then click the “Measurement Mode” icon to select desired measurement mode.
When the setting is completed, the instrument will automatically return to selected measurement mode.
1.
Take out the tube from the sample chamber. Unscrew the cap, remove the sealing ring and glass disc.
2.
Pour sample solution into the tube, screw on the tube cap. Wipe away the drops of water on glass disc.
3.
If necessary collect all air bubbles into the bubble trap.
4.
Place tube into the sample chamber. The bubble trap is upward.
5.
Press
or
key until visual field appears uniform brightness. Record the measured value.
6.
Press Return key, the instrument returns to the zero-point automatically. Measurement is completed.
Press and hold
or
key for 8 seconds, the instrument will enter auto-run mode. Press
or
key again, the instrument stops running.
Bubble Trap
