ATR L Dispersion Refractometer
Multi-wavelength Measurements
Specification
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 |