• Abbemat WR/MW, Multi wavelengt refractometer
  • Abbemat WR/MW, Multi wavelengt refractometer with PC
  • Abbemat Heavy Duty, sample is applied with a pipette
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Multiwavelengths Refractometer:
Abbemat MW

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Part number: 89608
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The Abbemat MW digital refractometer enables quick and fully automatic measurements of the refractive index at different measuring wavelengths, e. g. for dispersion and Abbe number determination. For these measurements Abbemat MW can be equipped with up to 8 different wavelengths in the range of 435 nm to 656 nm. This makes the Abbemat MW digital refractometer a versatile instrument for investigations into liquids, polymer bonds and glasses.

Key features

Fully automatic spectral refractometry

  • Measurement of lenses made of plastic or glass, e.g. contact lenses, lenses for digital cameras
  • Quality control of glass and polymers in the production
  • Measurement of dispersion and Abbe numbers: VD, Vd and Ve
  • Characterization of:
  • Liquid immersion oils for microscopes,
  • Acrylic glass, polaycarbonates, Cycloolefine oligomers
  • Optical coatings and adhesives

High performance – reliable results in seconds

  • Abbemat refractometers guarantee the highest stability and analytical performance
  • The built-in Peltier thermostats ensure the measuring temperature is reached in seconds
  • Optimal measurement of the sample temperature just under the prism surface
  • Simple cleaning and no sample carry-over due to the smooth transition between prism and sample holder

Flexible in use

  • As the refractometer and evaluation unit are separate, Abbemat refractometers can be adapted to suit your application
  • For operation under harsh conditions, the evaluation unit is placed a safe distance from the refractometer
  • The formula parser creates user-specific scales

Technical specifications

Measuring range Abbemat MW
Refractive index1.30 nD to 1.72 nD
Temperature10 °C to 70 °C
Resolution
Refractive index± 0.000001 nD
Temperature0.01 °C
Accuracy
Refractive index± 0.00004 nD
Temperature± 0.03 °C
Temperature stability± 0.002 °C
Additional information
Prism materialYAG (Yttrium-Aluminium-Garnet)
Light sourceWhite light LED
Available wavelengths (max. 8 filters)
  • 589.3 nm Na-D (standard)
  • 435.8 nm Hg-g
  • 480.0 nm Cd-F'
  • 486.1 nm H-F
  • 488.0 nm Ar/Ion
  • 514.5 nm Ar/Ion
  • 532.0 nm Nd/Yag
  • 546.1 nm Hg-e
  • 632.8 nm He/Ne
  • 643.8 nm Cd-C'
  • 656.3 nm H-F'
Minimum sample volumeapprox. 0.2 mL
Measuring time per sample5 seconds (after temp. equilibration / filter change)
Temperature control speed20 seconds (0.5 mL water at lab conditions to 20.00°C)
Customizable scales
  • Linear
  • Polynomial
  • Formula parser
Calibration
  • One-point calibration
  • Two-point calibration
Interfaces
  • RS-232 (PC)
Wetted partsYAG, FFKM, PP GF 30, Stainless steel
User interfacePC with Microsoft Windows XP/Vista/7
Dimensions195 mm x 250 mm x 145 mm
Weight6 kg

Standards

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AOAC

898.02
905.01
920.78
920.141
921.08
932.12
932.14, Section C
940.09
943.05
945.102
948.10
950.04
950.13
953.16
969.18
969.38
970.15
970.59
973.65
976.20
983.01
983.17
2000.19

ASTM

D542
D1218
D3321
D4095
D4542
D5006

DIN

51423

ICUMSA

GS4/3-13
SPS-3

ISI

06-1e

ISO

8036 : 2006

OIML

R 108

OIV

MA-AS2-02
MA-AS312-01B

Pharmacopoeia Europe (Ph. Eur.)

2.2.6 - Refractive index

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