The VariRef Refractometer has a double isolated peltier temperature control system for fast and precise measurements. The system is 21 CFR part 11 ready and the flat sample room design allows for easy cleaning. The LED light source and the self-checking capabilities for cleanliness, environment temperature effects, calibration and more result in a virtually maintenance free product life.
| Standard models | VariRef A VariRef B VariRef C |
| Measuring scale | Refractive Index (RI), Sucrose (%Brix), Standard scales included, freely definable scales, USG |
| Measuring range | 1.32000 – 1.58000 RI / 100% Brix (VariRef C) 1.32000 – 1.70000 RI / 100% Brix (VariRef B1) 1.29000 – 1.58000 RI / 100% Brix (VariRef B2) 1.32000 – 1.58000 RI / 100% Brix (VariRef A) |
| Resolution | 0.0001 RI / 0.05% Brix (VariRef C) 0.00001 RI / 0.01% Brix (VariRef B) 0.000001 RI / 0.001% Brix (VariRef A) |
| Precision | ± 0,0001 RI* / ± 0.05% Brix* (VariRef C) ± 0,00002 RI* / ± 0.02% Brix* (VariRef B) ± 0,00002 RI* / ± 0.02% Brix* (VariRef B) |
| Repeatability | ± 0.0001 RI / ± 0.05% Brix (VariRef B) ± 0.00002 RI / ± 0.02% Brix (VariRef B) ± 0.000005 RI / ± 0.006% Brix (VariRef A) |
| Temperature | |
| Ambient temperature | + 10° C to + 40°C |
| Temperature measurement | Pt 1000 sensor |
| Temperature range | + 5°C to + 80°C (VariRef C) + 5°C to + 100°C (VariRef B) + 20°C others upon request (VariRef A) |
| Resolution | 0.01°C |
| Precision | ± 0.03°C* |
| Additional Information | |
| Measurement mode | Single sample or flow through measurement (with optional compartment door) |
| Prism | Sapphire (VariRef A+VariRef C) YAG (VariRef B) |
| Light source / wavelength | LED, interference filter 589 nm |
| Display | None, 5″ or 7” Touchscreen, 800 x 480 Pixel |
| Operation | Touchscreen**, Keyboard***, Mouse***, Barcode Reader***, Remote via PC/Tablet/Smartphone*** |
| Interfaces | Ethernet 10/100/1000, RS232, SH connector, USB, WLAN**, Modbus**, Canbus**, Profibus** |
| Conformity | International Pharmacopoeia, ASTM, AOAC, DIN, FDA, ICUMSA and others |
| Dimensions | With Display: 310 x 220 x 235 mm (W x D x H) / Without Display: 310 x 220 x 150 mm (W x D x H) |
* Standard conditions ** Optional *** Not included in delivery
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