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Atago NAR-4T Abbe Refractometer – High Refractive Index Measurement

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Atago NAR-4T is an Abbe refractometer specially designed for high refractive index materials (polymer films and advanced materials) in the 1.4700-1.8700 nD range.

Wide refractive index measurement range: 1.4700-1.8700 nD
±0.0002 nD accuracy, 0.001 nD resolution
Specially designed for high refractive index polymer films and advanced materials
Compact dimensions: 13×18×23 cm, 2.5 kg
No IP65 protection
No automatic temperature compensation

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Daha fazla detay

Atago NAR-4T is a specialized system developed to characterize high refractive index materials beyond the measurement range of conventional Abbe refractometers. With its 1.4700-1.8700 nD measurement range, it delivers reliable results for polymer films and advanced material types that cannot be measured with standard instruments.

It is preferred in material R&D laboratories for refractive index characterization during new polymer and optical material development studies. With accuracy of ±0.0002 nD and resolution of 0.001 nD, it is suitable for applications requiring precision measurement.

The instrument does not feature IP65 water/dust protection or automatic temperature compensation; therefore, it is recommended to maintain controlled ambient temperature during measurements. Its compact dimensions allow it to occupy minimal bench space in the laboratory.

Technical Specifications

Model	NAR-4T
Catalog Number	1240
Refractive Index (nD) Range	1.4700 – 1.8700
nD Accuracy	±0.0002
nD Resolution	0.001
Dimensions	13×18×23 cm
Weight	2.5 kg
IP65 Protection	None
Temperature Compensation	None
Manufacturer	Atago

Applications

High refractive index polymer film characterization
Optical material R&D studies
Advanced material development laboratories

Frequently Asked Questions

How does the NAR-4T differ from standard Abbe refractometers?

Standard Abbe refractometers typically measure in the 1.3-1.7 nD range; the NAR-4T can measure higher refractive index materials in the 1.4700-1.8700 nD range.

Is temperature control necessary?

Yes, since the instrument lacks automatic temperature compensation, maintaining stable ambient and sample temperature is recommended for accurate measurements.

Which materials is this instrument suitable for?

It is specifically designed for characterization of high refractive index polymer films and similar advanced materials.