User manual

49
B.5 Menu overview
B.5 Menu overview (continued)
C Technical specifications
The full specifications apply only after at least 1 hour warm-up.
C.1 Operating data
UV measurement
Absorbance range 0.01 - 5 AU (full scale)
Autozero range -0.2 - 2.0 AU
Baseline adjust Adjustable 0-100% of full scale
Wavelengths
Hg lamp, fixed 254 and 280
by changing filter 313, 365, 405, 436 and 546 nm
Zn lamp 214 nm
Linearity, 5 mm cell <3% up to 2 AU at 254 nm
<5% up to 1 AU at 280 nm
Static noise
short term 40x10
-6
AU at 254 nm
(typically 6x10
-6
AU at 254 nm)
long term 40x10
-6
AU at 254 nm
Static drift ±100x10
-6
AU/h at 254 nm
Flow sensitivity 2x10
-4
AU min/ml
UV flow cell, 2 mm
Flow rate 0 - 100 ml/min
Max. pressure 4 MPa (40 bar, 580 psi)
Back-pressure Max. 0.05 MPa at 100 ml/min
Liquid temperature range +4 to +60 °C
Optical pathlength 2 mm
Cell volume 2 µl (30 µl detector volume)
UV flow cell, 5 mm
Flow rate 0 - 20 ml/min
Max. pressure 4 MPa (40 bar, 580 psi)
Back-pressure Max. 0.02 MPa at 20 ml/min
Liquid temperature range +4 to +60 °C
Optical pathlength 5 mm
Cell volume 6 µl (10 µl detector volume)
Conductivity measurement
Conductivity range 1 µS/cm to 999.9 mS/cm
Reproducibility
short term Max. ±1% or ±5 µS/cm whichever is
greater
long term Max. ±3% or ±15 µS/cm whichever is
greater
Noise Max. ±0.5% of full scale calibrated range
Response time <3 s (0 - 95% of step)
Monitor UPC-900
User Manual 18-1125-55 Edition AE
Reference information C