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Refractometer | ABBE Refractometer

Refractometer | ABBE Refractometer

Product Code:DR-M


Need more Info? (514) 354-2511 - 1-800-463-4363

The Model DR-M Series Abbe Refractometers, featuring multiple wavelengths and automatic Abbe Number measurement are the first instruments of their kind for the high-level Refractive Index analysis of liquids, glass, plastic, & film.
 

Easy to use
Operation consists of placing a sample on the prism; inserting an interference filter in the light source; while looking through the eyepiece, the control knob is turned until the shadowline is centered in the crosshairs (see image below left); the reading is shown on the large LCD display. Units calibrate with water (Model DE-M2) or the included glass standard.

 

Professional Features
Large, menu-driven LCD display; primary & secondary prisms; color compensator dial; large measurement dial; focusable eyepiece; desiccant case; drain nozzle.

 

Multiple Wavelengths
Measures at 589nm (D) or 546nm (E) with the two included interference filters. Capable of measuring in the range of 450-1100nm with the use of optional interference filters. For testing above 680nm, the optional Infrared Viewer (cat. no. RE-9115) is required. External halogen light source features digital readout, variable intensity,  and adjustable positioning of the light guide.

 

Abbe Number Measurement
Automatic, digital readout of Abbe Number (vD & vE) in 4 easy steps. For vD, the included 589nm interference filter and the optional 486nm (cat. no. RE-3521) & 656nm (cat. no. RE-3522) interference filters are used. For vE, the included 546nm interference filter and the optional 480nm (cat. no. RE-3524) & 644nm (cat. no. RE-3525 interference filters are used.

 

Digital Accuracy
High resolution and accuracy provides substantial precision for both liquid and solids testing. The digital display and sample operation both enhance overall precision - no analog scales to read.

 

Prism Temps. Control
Featuring 2 circulator nozzles for the primary prism and 2 for the secondary prism, the DR-M Series models can be connected to a circulating bath to accuracy regulate prism temperature. The prism temperature is displayed on the LCD display. The effective temperature range is 5-50°C.

 

Glass, Plastic, 7 Film Testing
Transparent or translucent glass and plastic samples can be measured with the use of the included contact liquid. Transparent or translucent film samples can be measured with the use of the included contact liquid and lighting glass.

Note: The refractive index (nD) of the sample must be lower than that of the contact liquid. The included bromonaphthalene contact liquid has a refractive index (nD) value of 1.6300; the included methylene iodide solution (Model DR-M4 only) has a refractive index (nD) value of 1.7400.

 

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

 

Specifications
Measuring System Optical Refraction Critical Angle Detection
Measuring Range Refractive Index (model DR-M2)
 
  • 1.3277-1.7379 [450nm]
  • 1.3000-1.7100 [589nm]
  • 1.2912-1.7011 [680nm]
  • 1.2746-1.6843 [1100nm]
Refractive Index (Model  DR-M4)
  • 1.5164-1.9164 [450nm]
  • 1.4700-1.8700 [589nm]
  • 1.4558-1.8557 [680nm]
  • 1.4304-1.8303 [1100nm]
Resolution Refractive Index: 0.0001
Accuracy Refractive Index: ±0.0002
Wavelength Range 450-1100nm (w/Interference Filters)
Infrared Viewer (Optional) Required for 681-1100nm
Abbe Number vD & vE (w/Optional Interference Filters)
0.1 Resolution
Interference Filters (Included) 589nm (D) & 546nm (E)
Interference Filters (Optional) 486nm (F) & 656nm (C) [Required for Abbe Number vD]
480nm (F') & 644nm (C') [Required for Abbe Number vE]
450-1100nm [Curtom Wavelengths]
Ambient Temperature 5 - 40°C
Measuring Temperature 5.0 - 50.0°C
Sample Quantity >0.1ml
Relative Humidity <90%
Altitude <5000m Above Sea Level
Calibration Liquid / Medium Distilled Water [Model DR-M2]
Glass Standard, 1.5163 nD (w/Contact Liquid) [Model DR-M2]
Glass Standard, 1.6200 nD (w/Contact Liquid) [Model DR-M4]
Display LCD
Measuring Light Source Halogen Lamp
Prism Optical Glass
Prism Housing SUS316 Stainless Steel
Circulator Nozzles 2 for primary Prism, 2 for Secondary Prism
Desiccant Case Tablets w/ Color Indicator
Power Supply 100 to 240V  AC, 50/60 Hz
Power Consumption 100V A
Printer Output Centronics (Parallel)
Dimensions 29(L)x13(W)x31(H) cm [Main Unit]
33(L)x15(W)x11(H) cm [Light Source]
Weight 6.0kg [Main Unit]
3.0kg [Light Source]
Supplied With
  • Light Source (1 ea.)
  • Power Card (1 ea.)
  • Light Support (1 ea.)
  • Light Guide (1 ea.)
  • Interference filter, 589nm (1 ea.)
  • Interference filter, 546nm (1 ea.)
  • Glass Standard, 1.5163 nD (1 ea.) [Model DR-M2]
  • Glass Standard, 1.6200 nD (1 ea.) [Model DR-M4]
  • Contact Liquid, Bromonaphthalene, 4ml Bottle (1 ea.)
  • Contact Liquid, Methyl Iodide Solution, 4ml Bottle (1 ea.) [Model DR-M4]
  • Lighting Glass for Film Measurement (1 ea.)
  • Halogen Lamp (1 ea.)
  • Tubing Band (10 ea.)
  • Allen Wrench (1 ea.)
  • Instruction Manual (1 ea.)

 

Cat. No. Description
1410
  • Model DR-M2
  • Scale: Refractive Index (nD)
  • Range: 1.3000-1.7100
  • Resolution: 0.0001
  • Accuracy: ±0.0002
  • Temperature Range: 5.0-50.0°C
  • ATC: No
  • Dimension: 29 x 13 x 31 cm
  • Weight: 6.0kg
1414
  • Model DR-M4
  • Scale: Refractive Index (nD)
  • Range: 1.4700-1.8700
  • Resolution: 0.0001
  • Accuracy: ±0.0002
  • Temperature Range: 5.0-50.0°C
  • ATC: No
  • Dimension: 29 x 13 x 31 cm
  • Weight: 6.0kg

 

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