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Products / UV-VIS Detectors / PDA 190-840nm

Flash 14 DAD 800 Detector

Flash 14 DAD 800 click to zoom Catalog No.: ANC0000X

Four wavelengths simultaneously, continual scan with 5Hz speed, Clarity PDA module support for 3D measuring


Flash 14 DAD 800 is an UV diode array detector (DAD,PDA), that allows measuring absorbance on four wavelengths simultaneously in one cell just as measuring of whole spectrum (scan). This unit is used in liquid chromatography for verification of analyzed samples by means of four wavelengths or in situations, when some peaks absorb on different wavelengths. It is possible to use the detector in flash and preparative applications.

The unit is designed as standalone with 90-264 V power supply and RS232 controlling.

The DAD detector design offers many advantages, such as:

  • Continuous 5 Hz scan or absorbance measuring on four wavelengths simultaneously
  • Wavelength setting from 190 up to 840 nm in increments of 1nm
  • Lamp work hours are counted using a built-in counter
  • Lamp is easy exchangeble from detector front panel
  • Clarity PDA module support for 3D measuring
  • Powering 90–264 V
  • Unit is controlled through RS232 interface

Technical parameters:

Wavelength range (four wavelengths simultaneously 190 - 840 nm (256 elements on CCD)
Scan 200 - 800 nm, 5 Hz, step 3 nm
Typical spectral half-width 10 nm
Accuracy of adjustment ± 1 nm
Reproducibility ± 0.5 nm
Light source Deuterium discharge lamp and halogen lamp
Noise level at test cell (254 nm, TC 0.75 s) ± 5 x 10-5 AU
Drift at test cell (254 nm after 1 h) 1 x 10-3 AU/hod
Materials in contact with mobile phase PTFE; fused silica, stainless steel
Time constant (T90) 0.5 s; 0.75 s; 1 s nebo 2 s (T63 0,3s;0,4s;0,6s;1s)
Output for integrator 1 V/AU (in digital form only)
Interface RS 232
Power supply 90–264 V
Power input 90 VA
Dimensions (W x H x D) 280 x 130 x 463 mm (11.02 x 5.12 x 18.23 in)
Weight 9.0 kg (19.84lb)

Preparative cell PLCC 15 (supplied with unit, in special holder):

Volume / optical path (adjustable) 45 µl / 0.3 mm
55 µl / 1.4 mm
70 µl / 2.4 mm
Cell connecting tubing with OD = 1/8", thread 1/4"-28
Maxiimal flow rate 500 ml/min

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