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Send InquiryPolarimeter Half Shade
Price 500.0 INR/ Piece
MOQ : 1 Piece
Polarimeter Half Shade Specification
- Focus System
- Manual fine and coarse adjustment knobs.
- View Head
- Monocular head, inclined for comfortable viewing.
- Features
- Half shade device with rotatable polarizer and analyzers, precise vernier scale, robust body, suitable for laboratory measurement of optical rotation.
- Spare Parts
- Sodium lamp, sample tubes, calibrating plates.
- Theory
- Polarimetry is used to measure the angle of rotation caused by passing polarized light through an optically active substance.
- Drawtube
- Fixed drawtube, graduated and clear for angle observation.
- Sensor
- Analogue sensor for manual measurement.
- Resolution
- 0.05 minimum angle reading.
- Interface
- Manual reading, vernier scale interface.
- Frame Rate
- Not applicable (no digital frame rate).
- Focal Distance
- Adjustable for precise focusing on sample tube.
- Magnification
- Low magnification suitable for direct visual analysis.
- Dimensions
- Approx. 400 mm x 150 mm x 250 mm (LxWxH).
- Focus Range
- Fine and coarse focusing mechanism included.
- Eyepieces
- Standard laboratory adjustable eyepiece.
- Eyepiece Tube
- Monocular observation tube, non-rotating.
- Illumination
- Halogen lamp or sodium lamp typically used.
- Coarse Adjustment Range
- Provided by rack and pinion movement.
- Fine Adjustment Range
- Included for precise alignment.
- Working Stage
- Rotatable stage for secure placement of sample tube.
- Still Image Capture Resolution
- Not applicable.
- Video Capture Resolution
- Not applicable.
- Image Format
- Direct visual output (no digital imaging).
- Interpupillary Distance
- Not applicable (single eyepiece design).
- Objective Achromatic
- Not applicable (no objective required).
- Condenser
- Not applicable for polarimeter.
- Light Source
- Sodium lamp (standard for polarimetry, wavelength 589 nm).
Polarimeter Half Shade Trade Information
- Minimum Order Quantity
- 1 Piece
- Payment Terms
- Cash Advance (CA), Cash in Advance (CID), Cheque, Telegraphic Transfer (T/T), Letter of Credit (L/C)
- Sample Available
- Yes
- Sample Policy
- Sample costs shipping and taxes has to be paid by the buyer
- Packaging Details
- carton box, export quality also available
- Main Export Market(s)
- Asia, Eastern Europe, Western Europe, Middle East, Africa
- Main Domestic Market
- All India
- Certifications
- ISO 9001, 14001 ,CE
About Polarimeter Half Shade
Polarimeter Half Shade ETMS-152- At Mounted On Sturdy Cast Iron Base Duly Powder Coated
- Shadow System : Half
- Scale range: 0-360 angular, graduation Vernier : 0.5 Angular
- Scale range: 0-30 ISS, graduation Vernier : 0.1 ISS
- Resolution 0.1, Light Sources Sodium Lamp, Sample Cell length 200 mm
- Power 220 Volt AC , 50 HZ
Precision Measurement for Laboratory Applications
Experience highly accurate optical rotation readings with the Polarimeter Half Shade, ideal for tasks in chemical, pharmaceutical, and sugar laboratories. The instrument supports full 360 rotation, enabling detailed analysis of optically active samples. Its clear vernier scale, fine and coarse focus, and half shade device ensure sharp detection of even minimal angle changes.
Durable Design with User-Friendly Operation
Constructed from robust, corrosion-resistant metal, the polarimeter is built for longevity. The easy-grip rotatable stage, spring clip tube supports, and adjustable monocular eyepiece provide comfortable usage for both students and professionals. Maintenance is simple due to replaceable lampholders and tubes, and sodium lamps are provided for standard illumination.
Enhanced Sensitivity and Calibration Features
The integrated half shade device intensifies sensitivity and accuracy during measurements. For ongoing reliability, quartz calibration plates are included. Fine and coarse focusing, together with a precise vernier scale, facilitate consistent performance and repeatability in professional laboratory environments.
FAQs of Polarimeter Half Shade:
Q: How does the half shade device improve measurement sensitivity in the polarimeter?
A: The half shade device generates a distinct light and dark field, making subtle changes in optical rotation much easier to detect. This enhances the sensitivity of readings, allowing users to identify and measure small variations in the angle of rotation, which is especially important for precise analysis in laboratory settings.Q: What is the typical process for calibrating the Polarimeter Half Shade?
A: Calibration is performed using supplied quartz calibration plates with a known optical rotation value. By inserting the plate and aligning the scale, users can ensure accurate measurements and verify the instruments precision before analyzing samples. Routine calibration is recommended for consistent results.Q: Where can this polarimeter be used effectively?
A: The instrument is widely used in educational and research chemistry labs, pharmaceutical analysis, and the sugar industry. Its manual operation and straightforward vernier scale make it suitable for universities, industrial quality control labs, and scientific research institutions.Q: What are the maintenance steps required for this polarimeter?
A: Regular maintenance involves simple procedures such as cleaning optical surfaces, replacing the halogen or sodium lamps when needed, and changing tube holders if they show wear. The design supports easy access to replaceable components, ensuring minimal downtime.Q: What are the benefits of manual vernier scale operation compared to digital polarimeters?
A: Manual vernier scale operation offers direct visual feedback, heightened by the half shade device for easier alignment. It provides more hands-on learning for students, lower maintenance requirements, and reliable performance in environments where digital systems may not be necessary.Q: How is the sample tube secured during measurements?
A: The sample tube is held securely in place using spring clips on the rotatable stage. This arrangement prevents shifting or movement while measurements are being taken, ensuring accuracy and repeatable results.Q: What kind of illumination is used in this polarimeter and why?
A: Sodium lamps, emitting light at a 589 nm wavelength, are the standard illumination source. This specific wavelength is preferred for polarimetry as it provides consistent light quality, facilitating precise measurement of optical rotation in transparent solutions.
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