12. Technical data
12.1 DAD 6.1L
Detection
Detector type
Diode array detector
Number of diodes
1024
Pixel pitch
0.8 nm/diode
Detection channels
8 (digital), 4 (analog)
Light source
High brightness deuterium (D
2
) lamp and halo-
gen lamp with integrated GLP chip
Wavelength range
190–1000 nm
Spectral bandwidth
< 3.5 nm at H
a
line (FWHM)
Note:
digital bandwidth 1–32 nm
Wavelength
verifica tion
Internal holmium filter and deuterium lines
Wavelength
accuracy
± 1 nm
Noise
± 3.5 µAU at 254 nm
Drift
300 µAU/h at 254 nm
Linearity
> 2.0 AU (typically > 2.5 AU) at 274 nm
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 (5–1000 ms)
Communication
Max. data rate
100 Hz (LAN), 12.5 Hz (analog)
Interfaces
LAN (RJ-45), RS-232 (service only), multi-pin
connector, 4 x analog (RCA cinch connector)
Control
Mobile Control, software, event control, analog,
terminal protocol
Inputs
Error (IN), Start (IN), Autozero, Output Event 1–2
(Output TTL, OC, Relay)
Outputs
Error (OUT), +5 V, Valve +24 V, Valve (OUT)
Analog output
4 x 0–5 V scalable, 16 bit
60
AZURA® Detector DAD 6.1L, DAD 2.1L, MWD 2.1L Instructions, V6700
