11. Technical data
11.1 Detection
Detector type
Variable single wavelength UV/VIS detector
Variable single wavelength UV/VIS detector
with fiber optic connectors
Detection channels
1
Light source
Deuterium (D
2
) lamp with integrated GLP chip
Wavelength range
190–750 nm
Spectral bandwidth
11 nm at H
α
line (FWHM)
Wavelength accuracy
± 2.5 nm
Wavelength precision 0.3 nm (ASTM E275-93)
Noise
± 1.5 × 10
-5
AU at 254 nm (ASTM E1657-98)
Fiber optics version:
± 2.0 x 10
-5
AU at 254 nm (ASTM E1657-98)
Drift
3.0 × 10
-4
AU/h at 254 nm (ASTM E1657-98)
Fiber optics version:
4.0 x 10
-4
AU/h at 254 nm (ASTM E1657-98)
Linearity
> 2.0 AU at 270 nm (ASTM E1657-98)
Time constraints
0.0 / 0.1 / 0.2 / 0.5 / 1.0 / 2.0 / 5.0 / 10.0 s
Integration time
Automatic
11.2 Communication
Max. data rate
50 Hz (LAN), 20 Hz (analog)
Interfaces
LAN (RJ-45)
RS-232 (SUB-D 9, service only)
Pin header
Analog (RCA cinch connector)
Control
Mobile Control
Chromatography software
Event control
Analog
Terminal protocol
Inputs
Error (IN)
Start (IN)
Autozero
0–10 V Analog IN
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AZURA® Detector UVD 2.1L Instructions, V6831