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WXG-4
Introduction
Thank you for selecting the WXG-4 manual polarimeter. This manual
provides a step-by-step guide to help you operate this instrument,
please carefully read the following instructions before use.
Environmental Conditions
Before unpacking, ensure that current environmental conditions meet
the following requirements.
•
Relative humidity is less than 80%
•
Ambient temperature between 0° C (32° F) and 40° C (104° F)
•
No ambient light interference
•
No corrosive gas exists
Packing List
The following list describes all components of the polarimeter. If any
items are missing or damaged, contact the supplier immediately.
•
Polarimeter
•
Sealing rings
•
Test tubes 100 and 200 mm
Prior to Use
Before connecting the power supply, make sure that the local mains
power voltage matches the polarimeter requirements.
1.1 Close the light shield lid. Press the power switch to the
ON
position, the sodium lamp will gradually light up.
1.2 Wait for the light source to stabilize, rotate the focus knob until
the visual field becomes legible.
1.3 Rotate the vernier knob
makes the vernier scale aim at zero
position.
Recording the Reference Point
2.1 Place an empty test tube into the sample chamber.
2.2 Rotate vernier knob until the visual field appears the uniform
brightness. Record the measured value.
Filling the Sample Solution
3.1 Take out the test tube from sample chamber. Unscrew the metal
cap, remove the sealing ring and glass disc.
3.2 Rinse the test tube thoroughly with distilled water.
3.3 Fill the sample solution into the test tube, screw on the cap, wipe
away the water drops on glass disc.
3.4 If necessary, collect all air bubbles into the bubble trap.
Focus knob
Vernier knob
