Bante Instruments POL-200 User manual

POL-200 Semiautomatic Polarimeter
USER MANUAL
Bante Instruments Inc.

1 IPOL-200
Introduction
Thank you for selecting the POL-200 semiautomatic polarimeter. This
user manual provides a step-by-step guide to help you operate the
instrument, please carefully read the following instructions before
use. Any use outside of these instructions may invalidate your warranty
and cause permanent damage to the instrument.
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 instrument. If any
items are missing or damaged, contact the supplier immediately.
•POL-200 polarimeter •Sealing rings
•Test tubes 100 and 200 mm
Switching the Instrument On and Off
•Plug the power cord into the wall outlet. Press the ON/OFF key,
the screen shows " Wait for light source to stabilize ". After a few
seconds, the instrument shows default measurement screen and
ready for use.
•Press the ON/OFF key again, the instrument begins running and
returns to the optical zero point, the screen will automatically
switch off.
WARNING
Do not pull out the power cord if the instrument is not completely
switched off, that will cause the optical and mechanical faults.
Display
The POL-200 polarimeter is installed with the 5.6 inch touch screen for
showing the function key, measured value, associated parameters and
operation guide. In the measurement and setting modes, the screen
will show different user interfaces.
Settings
The instrument contains an integrated setup menu for customizing the
function parameters to meet measurement requirements, selectable
items include the following options.
Setup Menu
Measurement Mode
Optical Rotation (default)
Specific Rotation
Concentration
International Sugar Scale
Tube Length
100 mm (default)
200 mm
Custom (range: 0.0 to 220.0 mm)
Function
keys
Guide
Parameter

POL-200 I2
Temperature Compensation
This option allows the instrument to run at ambient temperature but
produces readings as if the system was running at 20° C. In the specific
rotation, concentration and sugar degrees modes, the option will be
enabled automatically.
Enable
Disable (default)
Concentration
Set the concentration of sample for specific rotation measurement.
Specific Rotation
Set the specific rotation of sample for concentration measurement.
Temperature Setting
Calibrate the temperature, range: 0.0 to 100.0° C
Calibration
Using the standard tubes to perform 1 to 3 points calibration.
Date and Time
Set the current date and time.
Setting an Option
1. Tap the Setup key at the top of the screen and select an option.
2. Tap the or key to select a parameter or the numeric keys.
to enter the setting value.
3. Tap the Enter to confirm.
Prior to Use
Rotate the focus knob on front panel of the instrument until the visual
field becomes legible.
Zero Point Correction
1. Place an empty test tube into the sample chamber.
2. If the visual field appears the different brightness, tap the Zero
key to enter the zero point correction mode.
3. Tap the or key to adjust the visual field until the uniform
brightness appears.
4. Tap the Enter key to confirm.
Measurement
Selecting the Measurement Mode
The POL-200 polarimeter contains 4 measurement modes, including
the optical rotation, specific rotation, concentration and International
Sugar Scale.
1.1 Tap the Setup key.
1.2 Tap the Measurement Mode.
1.3 Tap the or key to select an option.
1.4 Tap the Enter to confirm.

3 IPOL-200
Filling the Sample Solution
2.1 Take out the test tube from sample chamber. Unscrew the metal
cap, remove the sealing ring and glass disc.
2.2 Rinse the test tube thoroughly with distilled water.
2.3 Fill the sample solution into the test tube, screw on the cap, wipe
away the water drops on glass disc.
2.4 If necessary, collect all air bubbles into the bubble trap.
Measurement
3.1 Place the test tube into the sample chamber and close the light
shield lid. Note that the bubble trap is upward.
3.2 Tap the or key until the visual field appears the uniform
brightness. Record the measured value.
3.3 Tap the Return key and wait for the instrument stops running.
Measurement is completed.
During the measurement, press and hold the or key for about 5
seconds, the instrument will switch to the auto-run mode. Tap the 
or key again, the instrument will switch to the manual mode.
Data Management
The POL-200 polarimeter is capable of storing and recalling up to 100
data sets.
Storing Data into Memory
1.1 In the measurement process, tap the Save key, the " Enter the
sample ID " dialog box shows on screen.
1.2 If necessary, tap the key, then tap the letter keys to enter the
sample name.
1.3 Tap the Enter key to save.
Viewing or Deleting the Data Logs
2.1 Tap the Data key on measurement screen, the instrument shows
stored data sets.
2.2 If necessary, tap the or key to toggle between pages.
2.3 Tap the , all of stored data will be deleted.
Once the data logs are deleted, it cannot be recovered.

POL-200 I4
Calibration
The POL-200 polarimeter allows performing 1 to 3 points calibration,
but calibration is not necessary unless the measurement appeared
the serious deviation.
1. Tap the Setup key on the measurement screen.
2. Tap the Calibration, the instrument enters the calibration mode.
3. Tap the or key to select the number of calibration points.
Tap the Enter key to confirm.
4. Ensure that remove the test tube from the sample chamber. Tap
the or key until the visual field appears uniform brightness.
Tap the Enter key to confirm, zero point calibration is completed.
5. Place the standard tube into the sample chamber, tap the numeric
keys to enter the calibration value. Tap the Enter key to confirm.
6. Tap the or key until the visual field appears the uniform
brightness. Tap the Enter key, the instrument will automatically
returns to the optical zero point and stops running.
•If you have selected multipoint calibration in setup menu, repeat
the steps 5 through 6 until the screen shows " Calibration is
completed ".
•If 1 point calibration is selected, the instrument is only allowed
zero point calibration.
Appendix
Optional Accessories
Order Code
Description
POLTUBE 100
Test tube, 100 (L) × 27 (Dia.) mm
POLTUBE 200
Test tube, 200 (L) × 27 (Dia.) mm
Specifications
Model
POL-200
Range
± 90° , ± 130° Z
Accuracy
± 0.02° , ± 0.05° Z
Resolution
0.005°
Calibration Points
1 to 3 points
Light Source
LED with interference filter
Wavelength
589 nm
Tube Length
50, 100 or 200 mm
Memory
Stores up to 100 data sets
Operating Temperature
0 to 40° C (32 to 104° F)
Storage Temperature
0 to 60° C (32 to 140° F)
Relative Humidity
< 80% (non-condensing)
Display
5.6 in. TFT LCD
Power Requirements
AC 220V/50Hz
Dimensions
500 (L) × 300 (W) × 220 (H) mm
(19.6 × 11.8 × 8.6 in.)
Weight
7.5 kg (16 lb)

The information in this document is subject to change without notice.
Copyright © Bante Instruments Inc, 2022. All rights reserved.
Disposal
This product is required to comply with the European Union’s Waste
Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC and
may not be disposed of in domestic waste. Please dispose of product
in accordance with local regulations at the collecting point specified
for electrical and electronic equipment.
Warranty
The warranty period for semiautomatic polarimeter is one year from
the date of shipment. Out of warranty products will be repaired on a
charged basis. The warranty on your polarimeter shall not apply to
defects resulting from:
•Improper or inadequate maintenance by customer
•Unauthorized modification or misuse
•Operation outside of the environment specifications of the
products.
For more information, please contact the supplier.
Office: 4715 Castlewood St., Sugar land, TX 77479, USA
Tel: [phone]
E-mail: [email protected]
Factory: F3, Building 2, No.2185, Laifang Rd., Shanghai 201615, China
Tel: [phone]
E-mail: [e-mail]
www.bante-china.com