Chirascan™ Circular Dichroism Spectrometer
Specifications
| Light source |
150W Xe arc, air-cooled 150W Hg-Xe arc, air-cooled (optional) |
||
| Monochromator | F/7 double prism, both dispersive, both polarising | ||
| Wavelength accuracy | ±0.2 nm (170nm - 400nm) |
||
| Wavelength precision | ±0.05 nm (170 - 400 nm) |
||
| Wavelength resolution | 0.1nm throughout range. | ||
| Bandwidth | 0 to 2nm at 160nm |
||
| Wavelength range | 165nm - 1360nm. |
||
| Stray light | <5ppm at 200nm |
||
| Baseline stability | ±0.02 m o /hr | ||
| Scanning modes | Discrete sampling step-scan |
||
| Scanning speeds | Dependent upon step-scan resolution approximately 500nm min-1 at 0.5nm step | ||
| Kinetic modes |
Linear timebase |
||
| Response time | Not applicable. Chirascan uses the superior method of digital oversampling which eliminates the risk of damage to data. | ||
| CD full scale | ±1500 m | ||
| CD resolution | 64 bit | ||
| RMS noise |
0.015m ° at 185nm |
||
| Data channels | Internal: 2 standard; up to 16 optional. External (standard): 6 inputs for temperature (multiplexed); 3 analogue inputs; plenty of digital I/O. |
||
| Accessories (optional) |
PCS.3 Single Cell Holder with Peltier Temperature Control |
||
| Detection modes |
Circular dichroism (std) |
 |
 |
 |