The ATR BR is a stand-alone critical angle refractometer offering excellent price-performance, with a sapphire prism, ±0.00002 RI precision, and a flat, easy-to-clean sample area for reliable laboratory measurement.
The Schmidt+Haensch ATR BR is a stand-alone critical angle refractometer offering an excellent price-to-performance ratio. It is a compact, easy-to-use laboratory refractometer built for high-quality, stable measurements with minimal training required. With a sapphire prism and a flat, small sample area, the ATR BR is straightforward to clean and operate, making it well suited for laboratories that need dependable single-measurement refractive index and Brix readings without complex setup.
Suited to laboratories needing a stand-alone, easy-to-clean refractometer for reliable refractive index and Brix measurement across food, beverage, pharmaceutical, and chemical quality control.
| Measuring Scales | Refractive Index (RI), Sucrose (%Brix), others on request |
| Measuring Range | 1.32000–1.54000 RI / 100% Brix |
| Resolution | 0.00001 RI / 0.01% Brix |
| Precision | Range 1.32–1.44: ±0.00002 RI / ±0.01% Brix; Range 1.44–1.54: ±0.00003 RI / ±0.01% Brix |
| Reproducibility | ±0.00001 RI / ±0.01% Brix |
| Ambient Temperature | +10° to +40°C |
| Automatic Temperature Compensation | +5° to +50°C |
| Temperature Measurement | NTC sensor for sample temperature, placed inside the prism |
| Measurement Mode | Single measurement |
| Prism | Sapphire |
| Light Source / Wavelength | LED, interference filter 589nm |
| Display | Back-lit LCD, 16 x 16 characters |
| Operation | 20 key membrane including function keys |
| Interfaces | 1 x RS232 C serial and parallel |
| Conformity | International Pharmacopoeia, ASTM, AOAC, DIN, FDA, ICUMSA and others |
Contact the Techotrix team to confirm the right ATR BR configuration for your application.