This refurbished Perkin Elmer 200 Series Fluorescence Detector (FLD) is in great condition. It has been tested at SpectraLab Scientific.
A 90 day warranty is included.
| Specification | |
| Optical system | Ratio photometry; intensity of transmitted beam is monitored. |
| Light source |
Xe lamp (150 W) Hg lamp (for checking wavelength) |
| Measuring wavelength range Excitation wavelength | 200 to 850 nm/Zero order |
| Measuring wavelength range emission wavelength |
250 to 900 nm/Zero order Photomultiplier must be changed at emission wavelength greater than 731 nm |
| Spectral bandwidth excitation side | 15 nm |
| Spectral bandwidth emission side |
15 nm, 30 nm (variable) * With this instrument, spectrum bandwidth is defined by half-value width. Therefore, in order to separate a spectrum completely, a wavelength interval of 30 nm or more is required |
| Wavelength setting | By communication (E-line) or keyboard |
| Wavelength accuracy | ±3 nm |
| Wavelength repeatability | ±0.5 nm |
| Recorder output (option) | 10 mV full-scale; full scale range 1 to 1000 settable in increments of 1 |
| Processor output (option) | 1 V full-scale -40 to 1000 mV |
| Response | Changeable in 7 steps corresponding to time constants of 0.05/0.1/0.5/1.0/2.0/4.0/8.0 seconds |
| Sensitivity |
a. With emission-side spectral bandwidth set at 15 nm S/N ratio for Raman peak of water 700 or more (Baseline method) S/N ratio for Raman peak of water 525 or more (Tangent method) b. With emission-side spectral bandwidth set at 30 nm S/N ratio for Raman peak of water 900 or more (Baseline method) Wavelength: 350 nm, Time constant: 2.0 s |
| Auto Zero range | 0 to 1000 |
| Offset range | 0 to 1000 (settable in steps of 1) |
| Time program |
Number of programs 9 Settable time Up to 600 minutes increments of 0.1 minute Number of steps storable 100 steps for a total of 9 files Programmable parameters Measurement wavelength (Ex and Em) Baseline processing PMT gain |
| External Output terminals |
Analog output for processor 1 V full scale Analog output for recorder 10 mV full scale |
| Flow cell capacity | Standard cell 12 μL (irradiated capacity) |
| Flow cell withstand pressure | 1.0 MPa |
| Operating temperature range | 4 to 35 °C (non-condensing) |
| Operating humidity range | 25 to 85% RH (non-condensing) |
