Measurement methods | Ratio photometry using transmitted light monitor |
Light source | Xenon lamp |
Excitation wavelength range | 200 to 850 nm and zero order |
Emission wavelength range | 250 to 900 nm and zero order |
Bandwidth | Ex: 15 nm; Em: 15 or 30 nm |
Wavelength accuracy | ± 4 nm |
Wavelength reproducibility | ± 0.5 nm |
Response | 7 selectable settings |
Sensitivity | S/N ratio 525:1 (tangent method), 700:1 (baseline method) |
Time programmable | Up to 100 steps total for 9 programs. All time programs are battery backed up even with power off. |
Spectrum memory | Up to 4 spectra may be stored, excitation or emission. Background spectra can also be subtracted. |
Integrator output | 1 V |
Recorder output | 10 mV |
Autozero range | 0 to 1000 |
Offset range | 0 to 1000 |
Flow-cell volume | 12 μL (with standard cell) |
Flow-cell pressure limit | 150 psi |
Flow-cell materials | Quartz, Fluoro resin |
Display | 2 lines by 40 characters backlit with LCD |
This Perkin Elmer 200A fluorescence detector is in great condition. It has been tested at SpectraLab Scientific. A 90 day warranty is included.