SCHMIDT + HAENSCH

ATR-L Multi-wavelength refractometer

Digital multi-wavelength refractometer
Measurement of solid samples possible
Automatic dispersion measurement
Seven wavelengths fixed with full range of visible light
Automatic measurement of Abbe-number
Able to discriminate ingredients with the same refractive index

ATR-L Multi-wavelength refractometer

Digital multi-wavelength refractometer

This multi-wavelength refractometer capable of performing simple dispersion measurements at seven wavelengths across the entire visible spectrum. The digital, fully automatic spectral refractometer ATR L features a robust stainless steel measuring unit and a separate electronic control unit.

 

Features of the multi-wavelength refractometer

  • High-precision refractometer
  • Automatic dispersion measurement
  • Seven wavelengths fixed with full range of visible light
  • Automatic measurement of Abbe-number
  • Ideal for research and development
  • Measurement of solid samples possible
  • Able to discriminate ingredients with the same refractive index
  • Powerful, internal Peltier temperature control guaranties the fastest measurements with highest accuracy

 

Easy to use 

Only 0.3 mL of sample is required to achieve high-precision measurements.

A range of sample compartment lids makes it possible to measure both solid and liquid samples. The built-in Peltier thermostat (no external water bath necesasry) ensures precise sample temperature control.

Different combinations of customer-specified wavelengths are available.

 

Applications

  • Research and development labs, where the exact knowledge of material properties is of great importance
  • Medical research (plastic lenses, contact lenses)
  • Optical communication technology (polymer materials, special optical liquids, glasses and glues)
  • Fingerprinting characterization of high-quality products like wine, perfumes, alcoholic beverages, etc
  • Determining product purity, quality control of samples
  • Quality control of hydrophobic and hydrophilic intraocular lenses (IOL)

 

Specifications of the multi-wavelength refractometer

Measuring scales Refractive index (RI)
Measuring range 1.33200 – 1.70000 RI* / 100% Brix
Resolution 0.00001 RI* / 0.01 Brix
Precision ± 0.00004 RI* / ± 0.03 Brix
Reproducibility ± 0.00004 RI* / ± 0.03 Brix
Measuring time per sample 20 sec for all 7 wavelength after temperature stabilisation; single sample measurement
Ambient temperature + 15° to + 40°C
Automatic temp. compensation Operational temperature Temperature stability
Temperature precision
Solid state Peltier-thermostatisation
+ 10°C to + 80°C
0.01°C
± 0.03°C
Detector CCD-linear array with 2048 elements
Sample compartment Used materials: stainless steel, Black Delrin®, Teflon®, Viton®, FFKM sealing
Prism YAG
Prism YAG
Light source / wavelength 7 discrete LED’s with fixed wavelengths 400, 450, 490, 545, 590, 660, 700 nm (others on request), wavelength accuracy ± 2 nm
Display LCD, 16 x 16 characters, back illuminated
Operation 20 key membrane including function keys
Interfaces /Communication 1 x RS232 C, 1x parallel, USB optional
Standards European and international Pharmacopoeia, various ASTM, ISO and DIN standards
Dimensions / Weight Mesuring head, stainless steel: 260 x 190 x 220 mm (w x h x d); control unit: 220 x 110 x 290 mm (w x h x d); complete unit 8 kg

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