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| Brand | Bellingham + Stanley |
|---|---|
| Origin | United Kingdom |
| Model | ADS400 (ADS420 & ADS480 NIR variants) |
| Type | Automatic Polarimeter |
| Temperature Control | Yes (Peltier-regulated cell holder) |
| Display | Digital LCD readout |
| Light Source | LED with interference filter (ADS420) |
| Wavelength | 589.3 nm (Na-D line equivalent, ADS420) |
| Measurement Range | –45° to +45° optical rotation (A-scale) |
| Resolution | 0.001° (A-scale) |
| Accuracy | ±0.003° (A-scale, traceable to NPL standards) |
| Cell Path Length | Up to 220 mm |
| Calibration | Certified quartz control plates (e.g., Model D7 reference standard) |
| Compliance | ISO 11541:2016, ASTM E1254, USP <788> (for sucrose assay validation) |
| Brand | Bellingham + Stanley (B+S) |
|---|---|
| Country of Origin | United Kingdom |
| Model | OPTi Wine & Brew |
| Type | Handheld Digital Refractometer for Alcoholic Beverages |
| Compliance | BS EN ISO 9001:2000, UKAS-accredited manufacturing, CE marked |
| IP Rating | IP65 |
| Calibration | Automatic zeroing with distilled water |
| Temperature Compensation | Built-in Automatic Temperature Compensation (ATC), 10–40 °C |
| Prism | Shallow-depth, easy-clean optical prism |
| Ergonomics | Single-hand operation, dual-scale display option |
| Measurement Units | % Mass w/w, °Brix, °Baumé, Oechsle (German/Swiss), KMW, ABV (°Zeiss), Plato, Alcohol Probable (AP) |
| Brand | Bellingham + Stanley |
|---|---|
| Origin | United Kingdom |
| Model | ADP 440+ |
| Instrument Type | Automatic Polarimeter with Integrated Refractometry Capability |
| Temperature Control | Yes, Peltier-controlled sample chamber |
| Display | High-contrast digital LCD with real-time temperature and optical density readout |
| Light Source | Stable LED at 589 nm (Na-D line equivalent), lifetime ≥ 100,000 hours |
| Compliance | USP <781>, EP 2.2.7, BP Appendix XVII, JP XVI, FDA 21 CFR Part 11 (audit trail, electronic signature, user access levels), GLP/GMP-ready |
| Connectivity | RS-232 serial port, parallel printer interface |
| Enclosure | IP65-rated chemical-resistant housing |
| Calibration | Automatic quartz control plate verification |
| Scale Options | Standard polarimetric scale (°), sucrose scale (°Z), and user-definable custom scales |
| Sample Compatibility | Liquid, viscous, and suspension samples in standard 100 mm or 200 mm cells |
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