AR70 Automatic Digital Refractometer

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High Purity Northwest Inc.

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AR70 Automatic Digital Refractometer

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The AR70 Automatic Digital Refractometer features exceptional accuracy, solid-state Peltier temperature control, a wide reading range, and simple, fast operation. It offers outstanding flexibility providing accurate readings for a variety of applications, from chemical identification to purity determination to concentration measurements.

The AR70 refractometer has an expanded refractive index reading range of 1.3300 to 1.6000 and Peltier temperature control from 10° to 100° C. It analyzes a broad range of samples, from fruit juices to polymers, and eliminates the need to dedicate instruments for specific products.

Key Features

Sapphire prism for incredible durability
Peltier temperature control from 10° to 100°C with automatic temperature equilibration detection to ensure accurate readings
No water bath circulators are ever required
Refractive Index range of 1.3300 to 1.6000
Brix range of 0.0 to 95.0%
User-definable calibration points throughout the reading range ensure accuracy at every point
Accommodates sample types that are transparent, translucent or opaque
Simple calibration, NIST certified oils included
Calibration history log
Accessories enhance repeatability, accuracy and reliability for special applications that call for them

Reading Precision
AR70 has precision to 0.1% Brix or 0.0001 Refractive Index

Operation   Automatic, Reflected Light Refractometer
Catalog Number   13107700 (110 to 220v with US, EU and UK power cords)
Sample Types   Transparent, translucent, and opaque liquids
Reading Range   1.3300 to 1.6000 Refractive Index, 0.0 to 95.0% Brix
Precision   0.0001 Refractive Index, 0.1% Brix
Illumination   High intensity, long life LED's, 589 nm
Calibration   Set Point or Set Point/Span user- definable
Temperature Control Method   Built-In Peltier system, (No water bath circulator needed)
Temperature Control Range   10° to 100° Celsius
Temperature Precision   0.01° Celsius
Prism Assembly   Sapphire prism mechanically sealed with Teflon gasket to 416-grade stainless steel sample well
Display Graphic   LCD display, 4.3 W x 2.4 H (11 X 6 cm)
User Interface   Simple, effective 5-button operation
I/O   2 RS-232-C serial ports
Warranty   2 years
Software Features   Calibration history record, programmable with up to 14 custom scales, password protected set-up, automatic sample equilibration detection, restore to factory option