Chirascan™ Circular Dichroism Spectrometer
Specifications
| Light source |
150W Xe arc, air-cooled 150W Hg-Xe arc, air-cooled (optional) |
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| Monochromator | F/7 double prism, both dispersive, both polarising | ||
| Wavelength accuracy | ±0.2 nm (170nm - 400nm) |
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| Wavelength precision | ±0.05 nm (170 - 400 nm) |
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| Wavelength resolution | 0.1nm throughout range. | ||
| Bandwidth |
0 to 2nm at 160nm (in 0.1nm increments) |
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| Wavelength range | 165nm - 1360nm. |
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| Stray light |
<3ppm at 200nm |
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| Baseline stability | ±0.02 mo /hr | ||
| Scanning modes | Discrete sampling step-scan |
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| Scanning speeds | Dependent upon step-scan resolution approximately 500nm min-1 at 0.5nm step | ||
| Kinetic modes |
Linear timebase |
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| Response time | Not applicable. Chirascan uses the superior method of digital oversampling which eliminates the risk of damage to data. | ||
| CD full scale | ±6000 mo | ||
| CD resolution | Better than 0.0001mo in 6000mo | ||
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RMS noise (All measured at 1nm BW and 2s integration time) |
0.07m° @ 175nm |
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| Data channels | Internal: 2 standard; up to 16 optional. External (standard): 6 inputs for temperature (multiplexed); 3 analogue inputs; plenty of digital I/O. |
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| Accessories (optional) |
PCS.3 Single Cell Holder with Peltier Temperature Control |
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| Detection modes |
Circular dichroism (std) |
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