UV/vis The UV/vis detector DDT-3200 is the first detector of its class with DAD technique. There are three different versions: As variable-wavelength-detector with 1-, 2- or 4-channel-output or as full DAD with 10Hz sample rate. The VWD can work as stand-alone device while the DAD is linked to a computer.

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The components that would have to be exchanged in case of maintenance (e.g. deuterium lamp or flow cell) are accessable by untightening the front panel and pulling out the plug-in unit. The parameter-setup is done via a self-explanatory menu shown in the display. It’s possible to set values for the wavelength, time constant, range, sensitivity and the wavelength program.

The DDT-3200 stands out from the traditional detectors of its catagory by the integrated additional functions. The basic version already offers the possibility of external control, solvent recycling with integrated solenoid valve driver, the time program for changing wavelengths and the verification of the lamps’ features. The freely adjustable analog output and USB interface gives the required signal.

The arrangement with a diode-array-monochromator by Carl Zeiss® allows a clear, easily accessable design. That is how the detector is compact and saves space in the laboratory. As options the 1- and 4- channel versions offers the scanning over an adjustable wavelength range. In addition, a serial interface for data collection and the parameter setting is available if desired. The DAD version includes the USB-interface.