ATR-W2, automatic microprocessor controlled critical angle refractometer

Automatic critical-angle refractometer This SCHMIDT+HAENSCH automatic microprocessor controlled critical angle refractometer is designed to measure refractive index of liquid media independent of opacity, viscosity and colour. It consists of separate electronic and measuring devices. A sample volume of 0.3 ml is sufficient for measuring. The sample is simply and easily placed by dropper or pouring onto the Peltier-thermostable sapphire prism. The prism is illuminated by long life yellow LED and the angle of total reflection is detected by diode array which guarantees high resolution and stability. The ATR-W2 enables to complete measurements in a quick and simple way by using splash proofed touch-in panel with four definable keys, - START – ALPHA – PRINT – MENU – and a large illuminated 2 lines, 20 characters graphic LCD. The % Brix is temperature corrected within +15 to +40°C.

Features

• Measurement of liquid media irrespective of viscosity, opacity and colour
• Electronic and measuring devices separate
• Peltier-thermostatisation
• Working temperature between + 10°C and + 70°C
• Display of temperature, refractive index and % Brix,

Applications

• Chemical industry: Solvents, organic polymers, destilled products,solutions of anorganic compounds.
• Food industry: Yoghurt, jam, fruit extract, syrup, honey, coffee extract, vegetable fat, albumen, chocolate, milk, baby food etc.
• Beverage: Soft drinks, fruit juice, wine, beer.
• Medical applications: Serum, blood, urine.
• Pharmaceutical / cosmetical industry: Essences, essential oils, aromas.
• Petrochemics: Oils, fats, waxes, naphtalenes, raw oils, varnishes,paints.

Technical data

• Measuring ranges: RI 1.3320 - 1.7000, Brix 0 - 95 %
• Resolution: RI 0.00002, Brix 0.02 %
• Precision: RI ± 0.00004, Brix ± 0.04 %
• Display: LCD, 2 lines, 20 characters
• Prism: Sapphire, Peltier-thermostable
• Light source: Yellow LED
• Detector: CCD-line with high resolution
• Data output: RS 232 C interface
• Parallel interface (Centronics)
• Mains connection: 90 - 130V / 190 - 230V, 48 - 62 Hz
• Dimensions: Electronic device: 225x360x150mm
• Measuring device: 210x210x120mm
• Weight: 8 kg (complete unit)