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Home  >>  Products  >>  Optical Instruments  >>  Abbe Refractometers Model DR-A1
Abbe Refractometers Model DR-A1

The Model DR-A1, with its digital display, provides the user with a precision instrument for the Brix and Refractive Index (nD) analysis of liquids, glass, plastic, & film.

  • High resolution and accuracy provides substantial precision for both liquid and solids testing.
  • The digital display and simple operation both enhance overall precision - no analog scales to read
  • Large, menu-driven LCD display
  • Refractive Index (nD) & Brix scales
  • Primary & secondary prisms
  • Color compensator dial
  • Large measurement dial
  • Focusable eyepiece
  • External power supply
  • Desiccant case
  • Drain nozzle
  • Long-life LED light source can be set for upper and lower settings enabling both transmission and reflection measurement modes.
Model DR-A1



FEATURES TECHNICAL DATA OPERATION PRICE LIST
 

 

Features

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Prism Temperature Control - Featuring 2 circulator nozzles for the primary prism and 2 for the secondary prism. Model DR-A1 can be connected to a circulating bath to accurately regulate prism temperature. The prism temperature is displayed on the LCD display. The effective temperature range is 5-50°C.

Automatic Temperature Compensation
- Features Automatic Temperature Compensation with 20°C as the reference point. Available for the Brix scale only. the effective compensation range is 5-50°C.

Glass, Plastic, & Film Testing
- Transparent or translucent film samples can be measured with the use of the included bromonaphthalene contact liquid and the optional film measurement test piece (Catalog No. RE-1146). Note:  The refractive index (nD) of the sample must be lower than that of the contact liquid. The included bromonapthalene contact liquid has a refractive index (nD) value of 1.6300.

Double Refraction (Birefringence) Testing - With the optional polarizing eyepiece (cat. no. RE-1145). Model DR-A1 can test samples exhibiting double refraction. For example, a piece of film with this characteristic would have a machining direction (V axis), a right-angle to machining direction (X axis), and a thickness direction (Z axis) - the refractive index must be measured for each axis.

Display

 

Technical Data

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Technical Data
Measuring System: Optical Refraction Critical Angle Detection
Measuring Range: Refractive Index (nD): 1 .3000 - 1.7100
Brix: 0.0 - 95.0%
Resolution: Refractive Index (nD): 0.0001
Brix: 0.1%
Accuracy: Refractive Index (nD): ±0002
Brix: ±0.1%
Temperature Compensation: 5-50°C (Brix Scales Only)
Ambient Temperature: 5-35°C
Measuring Temperature: 5.0 - 50.0°C
Sample Quantity: >0.1 ml
Relative Humidity: <90%
Altitude: <5000m Above Sea Level
Calibration Liquid/Medium:

Distilled Water - Glass Standard, 1.5163 nD (w/ Bromonaphthalene Contact Liquid) LCD

Display: LCD
Measuring Light Source: LED
Prism: Optical Glass
Prism Housing: SUS316 Stainless Steel
Circulator Nozzles:

2 for Primary Prism
2 for Secondary Prism

Desiccant Case: Tablets w/Color Indicator
In put Voltage: 100 to 240V AC, 50/60 Hz
Output Voltage: 5V DC, 6A
Power Consumption: 10V  A
Dimensions: 29 (L) x 13 (W) x 31 (H) cm
Weight 6.0 kg

 

Operation

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Operation consists of placing a sample on the prism. While looking through the eyepiece, the control knob is turned until the shadowline is centered in the crosshairs (see image "Eyepiece View"). The reading is shown on the large LCD display. Calibrates with water or the included 1.5163 nD glass standard.

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices

Power Supply, Power Cord, Glass Standard (1.5163 nD). Contact Liquid Bromonaphthlanene (4 ml bottle), Allen Wrench, Lighting Adaptor for Solid Samples, Tubing Band, Instruction Manual.
RE-1310 Model DR-A1 Refractometer $6,850.00
Optional Items
RE-1581 Film Measurement Test Piece P.O.R.
RE-1146 Polarizing Eyepeice P.O.R.



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