Application
Determines the concentration of the optical active substance dissolved in an optically inactive liquid.
The VariPol polarimeter is especially designed for pharmaceutical applications. The system is compact, includes peltier temperature control and is 21 CFR part 11 ready.
Detailed specification for the Varipol are listed below
Measurement scales | ° Optical rotation, ° Specific rotation, °Z International Sugar Scale, % Concentration (g/mL, g/100mL, g/L), further scales freely definable |
Measuring range | ± 89.9° |
Resolution | 0.005° (Varipol C) 0.001° (Varipol B) |
Precision | ± 0.01° * (VariPol C) ± 0.005° * (VariPol B) |
Repeatability | ± 0.01° (VariPol C) ± 0.005° (VariPol B) |
Sensitivity | Up to OD 3 |
Wavelength | 1 or 2 wavelengths fixed, standard 589 nm, also available 365, 405, 436, 546, 578 |
Measuring time | 6 to 8 sec. over the entire measuring range |
Measuring tubes | Up to 100 mm length; standard tubes, micro tubes, compact tubes Material: glass, stainless steel, Hastelloy |
Temperature | |
Temperature measurement | Pt1000 sensor (device) / NTC sensor (Quartz control plates and tubes) |
Temperature range sample temperature | 10°C to 40°C |
Temperature resolution / precision | 0.01°C / ± 0.1°C * |
Peltier temp. regulation of the sample room | 18°C to 25°C (VariPol C) 10°C to 40°C (VariPol B) |
Additional Information | |
Light source | LED, interference filter |
Display | None, 5” or 7” Touchscreen, 800 x 480 Pixel |
Operation | Touchscreen**, Keyboard***, Mouse***, Barcode Reader***, Remote via PC/Tablet/Smartphone*** |
Interfaces / Communication | Ethernet 10/100/1000, RS232, SH connector, USB, WLAN**, Modbus**, Canbus**, Profibus** |
Conformity | International Pharmacopoeia, OIML, ICUMSA, Australian Standard K157 |
Dimensions | 430 x 300 x 160 mm (w x d x h, without display) |
Standard Model | VariPol C VariPol B |
* Standard conditions
** Optional
*** Not included in delivery
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