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Digital Polarimeter

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Digital Polarimeter Specification

Accuracy
±0.01°

Capacity
2 ml—200 ml (Sample Tube) / 8-200 mm (Tube Length)

Power Source
AC Electric

Frequency
50 Hz / 60 Hz

Core Components
Light Source, Detector, Display, Sample Tube

Voltage
220 V/110 V

Model No
DP-20

Measurement Range
-180° to +180°

Temperature Range
0°C to 50°C

Feature
Automatic Zero Setting, Digital Readout, User-Friendly Interface

Automation Grade
Semi-Automatic

Equipment Materials
Stainless Steel, Glass, ABS Plastic

Type
Digital Polarimeter

Usage
Measurement of Optical Rotation / Laboratory Analysis

Display Type
Digital Backlit LCD Display

Dimension (L*W*H)
500 x 135 x 220 mm

Weight
Approx. 6-8 kg

Wavelength
589 nm (Sodium Lamp)

Interface
RS-232 / USB (Optional)

Data Output
Yes / Digital

Sample Chamber Diameter
18 mm

Resolution
0.01

Observation Method
Visual and Digital

Ambient Humidity
85% RH

Sample Tube Material
Borosilicate Glass

Light Source
LED / Sodium Lamp

Calibration
Automatic Zero Calibration

About Digital Polarimeter

We offer wide range of Digital Automatic Polarimeterswith following specifications.

Specifications:

Measurement Range : -45° - +45°, -120 °Z + 120 °Z
Minimum Reading : 0.001 °Z and 0.01 °Z

Accuracy :

+(0.01 °Z + Measurement value 0.05 %)
+(0.03 °Z+ Measurement value 0.05 %)
Repeatability (Standard Deviation) : < 0.00
Minimum sample transmittance 1 %

Salient Features:

Highly Stable & Accurate
Domestic Advanced digital circuit and microcomputer control.
LCD Display
Storage of three times results for Re-M (Repetition measurement) and calculation of average value.
RS 232 interface.

User-Friendly Operation & Digital Readout

Enjoy effortless measurements with the DP-20s digital backlit LCD display and intuitive user interface. Automatic zero calibration streamlines your workflow, minimizing manual adjustments and expediting the analysis process for consistent, accurate results.

Reliable Measurement and Versatile Sample Handling

With a resolution of 0.01, the DP-20 can measure optical rotation in a range from -180 to +180. The sample chamber accommodates various tube capacities and lengths, up to 200 ml and 200 mm respectively, ensuring adaptability for a wide spectrum of laboratory samples.

Robust Construction for Laboratory Use

Crafted from stainless steel, borosilicate glass, and ABS plastic, this polarimeter offers both durability and chemical resistance. Operating on AC power at 50/60 Hz (220V/110V), it suits diverse laboratory settings and ensures dependable performance.

FAQs of Digital Polarimeter:

Q: How does the automatic zero calibration feature work in the DP-20 digital polarimeter?

A: The automatic zero calibration function electronically adjusts the baseline for optical rotation measurements before sample analysis. This procedure ensures each reading starts from a standardized zero position, reducing error and simplifying the setup process.

Q: What kind of samples can be analyzed with the DP-20 polarimeter?

A: The unit is designed to handle liquid samples within borosilicate glass tubes ranging from 2 ml to 200 ml in volume and up to 200 mm in length, making it suitable for various laboratory or research applications involving optical activity.

Q: When is it recommended to use this polarimeters visual and digital observation methods?

A: The digital observation method is preferred for precise, documented measurements, while the visual method can be used for quick, qualitative assessments or when a manual cross-check is required, enhancing analytical flexibility.

Q: Where can data from the DP-20 be exported or integrated?

A: Measured data can be digitally output via RS-232 or optional USB interface, allowing integration with laboratory information systems, computers, or printers for efficient record-keeping and further analysis.

Q: What is the process for measurement using the DP-20 polarimeter?

A: Insert the sample tube filled with the solution, power on the unit, and initiate the automatic zero calibration. Subsequently, select the desired lamp source, adjust settings via the backlit LCD display, and begin measurement. Data is then available for export.

Q: How does using a sodium lamp at 589 nm benefit optical rotation analysis in this device?

A: The 589 nm wavelength, generated by the sodium lamp, is a standard for optical rotation measurements. It provides high accuracy and comparability of results across experiments and industries, supporting reliable scientific analysis.

Q: What advantages does the DP-20 provide for laboratory analysis?

A: Its semi-automatic operation, high accuracy (0.01), broad measurement range, automatic zero setting, durable materials, and flexible sample handling ensure efficient and dependable performance for various optical rotation measurement applications.

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