Abbe Refractometer (MODEL-III)

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Abbe Refractometer (MODEL-III) Specification

Glass Type
High Quality Optical Glass

Speed Range
Manual Calibration and Measurement

Power Supply
Not Required (Manual Operation)

Accuracy
±0.0002 Refractive Index Units

Control Type
Manual Knob Adjustment

Features
Integrated Thermometer, Water Circulation Jacket, Precision Optics, Stable Base

Temperature Resistance
Up to 100°C with Circulating Water Jacket

Heating Capacity
By External Water Bath (not included)

Display Type
Prism and Vernier Scale Reading

Shape
Rectangular Base with Upright Viewing Arm

Type
Abbe Refractometer MODEL-III

Dimension (L*W*H)
220 x 100 x 250 mm (approx.)

Equipment Type
Analytical Laboratory Instrument

Equipment Materials
Metallic Body with Glass Optical Parts

Power
Manual, No Power Required

Material
Corrosion Resistant Construct with Optical Glass

Application
Measurement of Refractive Index and Brix of Liquids & Solids

Calibration
Manual using calibration fluid or glass plate

Light Source Compatibility
Daylight/white light (external)

Thermometer Range
0C to 70C

Operating Temperature
10C to 35C

Sample Volume Required
~0.05 mL

Accessory Included
Glass calibration plate, contact liquid, thermometer

Weight
Approx. 5 kg

Minimum Scale Reading
0.0005 RI

Refractive Index Measurement Range
1.300 to 1.700 RI

Observation System
Monocular eyepiece with magnifier

Prism Material
High precision optical glass

About Abbe Refractometer (MODEL-III)

Abbe Refractometer (MODEL-III)

Brand	Micro Technologies
Temperature Range	0 deg C to 70 deg C
Refractive index (nD) Range	1.300-1.700Refractive index (nD) Range 0.0002Refractive index (nD)
Range	0.0005
Brix Range	0-95%
Brix Range	Min. Div. 0.25%

High Precision Optical Measurement

Crafted with advanced optical glass prisms, the Abbe Refractometer MODEL-III provides accurate and stable refractive index readings for laboratory analysis. With a manual vernier scale and integrated thermometer, it is ideal for rigorous quality control, research, and educational applications. Its compact rectangular base ensures stability and easy manipulation during measurement tasks.

Manual Operation, No Power Required

This refractometer operates without external power, relying instead on manual knob adjustments for both calibration and readings. The equipment includes a water circulation jacket compatible with external baths for temperature control up to 100C, maintaining consistent measurement conditions across a broad temperature range.

Comprehensive Accessories for Efficient Calibration

The package includes essential accessories such as a glass calibration plate, contact liquid, and a thermometer for accurate manual calibration. These features, combined with a small sample requirement of only 0.05 mL, optimize usability and convenience for analytical laboratories and industrial settings.

FAQs of Abbe Refractometer (MODEL-III):

Q: How do I calibrate the Abbe Refractometer MODEL-III?

A: Calibration is performed manually using the provided glass calibration plate or calibration fluid. Place the calibration standard on the prism, add contact liquid, and adjust the knob until the vernier scale aligns with the known value. Refer to the integrated thermometer to ensure temperature stability before recording results.

Q: What types of samples can be measured with this refractometer?

A: The Abbe Refractometer MODEL-III is suitable for determining the refractive index and Brix of both liquid and solid samples. It requires approximately 0.05 mL of sample, making it ideal for small volume or valuable materials in laboratory analysis and quality control.

Q: When should I use the external water bath with the refractometer?

A: An external water bath (not included) is recommended when precise temperature control is necessary, particularly for temperature-sensitive samples. Connect it to the water circulation jacket to maintain desired prism temperatures up to 100C, enhancing measurement consistency.

Q: Where is this refractometer best utilized?

A: Due to its precision and robust construction, the refractometer is widely suited for analytical laboratories, research institutions, food and beverage quality control, and educational settings throughout India and beyond.

Q: What are the primary benefits of choosing a manual Abbe refractometer over digital versions?

A: Manual operation offers independence from power sources, increased durability, and cost-effectiveness. The MODEL-IIIs precision optics, stable base, and corrosion-resistant construction make it especially reliable in environments where stability, portability, and consistent accuracy are required.

Q: How do I read the refractive index using the observation system?

A: After sample placement and alignment of the prisms, view the boundary line through the monocular eyepiece and use the magnifier for a precise scale reading. Adjust the manual knob until the reading interface is sharp and aligned with the vernier scale to obtain accurate results.

Q: What safety or maintenance steps should be followed for optimal refractometer longevity?

A: Always clean the optical glass prisms after each use with suitable solvents and lint-free cloths. Avoid scratching the prism surfaces and store the refractometer in a dry, dust-free environment. Periodically check the calibration with the provided accessories to ensure sustained measurement accuracy.

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