Diode array detector
The AZURA DAD 2.1L is a highly competitive diode array detector which combines high performance with easy handling at an affordable price. A wide range of easily exchangeable cartridge flow cells make this device the right choice for fast, standard analytical, semi-preparative and preparative separations with bio-inert or stainless steel wetted parts. State-of-the-art total reflection flow cells (LightGuide technology) are available for this device providing maximum light throughput (due to total internal reflection) with minimal peak dispersion (due to the small cell volume) to guarantee an optimized S/N ratio. An optional fiber optics adapter offers the possibility to separate the flow cell spatially from the device and thus provides enhanced security for hazardous, explosive or toxic work processes, as well as protecting the device from leakages at high flow rates. The newly developed optical unit and intelligent temperature management ensure for maximum sensitivity combined with minimal baseline drift. Furthermore, easy frontal access and improved safety features enable effortless lamp replacement. This eases maintenance and guarantees short downtimes. The DAD 2.1L comes installed with a deuterium lamp which covers a wavelength range from 190 to 700 nm. This detector can be controlled with OpenLab® EZChrom, ClarityChrom®, Chromeleon® and PurityChrom® software, as well as with the Mobile Control software (stand-alone operation), via LAN or through analog input/output, allowing it to be integrated into almost any LC system.
Technical Data
Detector type |
Diode array detector |
Number of diodes |
256 |
Pixel pitch |
2 nm/diode |
Detection channels |
8 (Digital)/4 (Analog) |
Light source |
Deuterium (D²) lamp with integrated GLP chip |
Wavelength range |
190 – 700 nm |
Spectral bandwidth |
α line (FWHM) /Note: digital bandwidth 1 – 32 nm |
Wavelength accuracy |
± 1 nm |
Noise |
± 5 µAU at 254 nm |
Drift |
400 µAU/h at 254 nm |
Linearity |
> 2.0 AU at 274 nm |
Maximum data rate |
100 Hz (LAN)/12.5 Hz (analog) |
Flow cell |
Not included (see Accessories / Spare parts) |
Time constants |
0.00 / 0.01 / 0.02 / 0.05 / 0.1 / 0.2 / 0.5 / 1.0 / 2.0 / 5.0 / 10.0 s |
Integration time |
Automatic |
Wavelength verification |
Internal holmium filter and deuterium lines |
Leak sensor |
Yes |
Inputs |
Error (IN), Start (IN), Autozero |
Outputs |
Events 1 – 2 (Relay and TTL compatible, respectively), Error (OUT), + 5 V, Valve + 24 V, Valve (OUT) |
Analog outputs |
4 x 0 – 5 V, 16 bit, offset adjustable |
Control |
Mobile Control, software, event control, analog, terminal protocol |
Interfaces |
LAN (RJ-45), USB (service only), multi-pin connector, analog (RCA cinch connector) |
GLP |
Detailed report including lamp recognition, operating hours, /lamp operating hours, number of lamp ignitions |
Display |
Mobile Control (optional) |
Ambient conditions |
Temperature range: 4 – 40 °C, 39.2 – 104 °F, Humidity: below 90 % noncondensing |
Power supply |
100 – 240 V, 50 – 60 Hz, 75 W |
Dimensions |
361 x 158 x 523 mm (W x H x D) |
Weight |
12.2 kg |
Note |
Flow cells are not included and must be ordered separately (see Accessories / Spare parts) |
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AZURA Detektor DAD 6.1L, DAD 2.1L, MWD 2.1L Benutzerhandbuch DE (V6700)
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AZURA Detector DAD 6.1L, DAD 2.1L, MWD 2.1L User Manual EN (V6700)
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List of supported devices in chromatography data systems EN (V1663)
Device support in KNAUER CDS / KNAUER device support in 3rd party software