< 6x10
-5
AU at 230 nm
Noise (specified for 10 mm flow cell), single
wavelength, short term (0.5 min to 1
min)
1 2
< 6x10
-5
AU at 230 nm
Noise (specified for 10 mm flow cell), single
wavelength, long term (1 min to 10
min)
1 2
< 2x10
-4
AU at 230 and 254 nm
Noise (specified for 10 mm flow cell), dual
wavelengths, short term (0.5 min to 1
min)
1 2
< 2x10
-4
AU at 230 and 254 nm
Noise (specified for 10 mm flow cell), dual
wavelengths, long term (1 min to 10
min)
1 2
< 2x10
-4
AU/h at 254 nm
Drift
2
4°C to 40°C
Environment
20% to 95% relative humidity (noncon-
densing)
84 to 106 kPa (840 to 1060 mbar) atmo-
spheric pressure
1
Measured with water at 1 mL/min, time constant 1 second, 10 mm flow cell.
2
Typical values at room temperature after 2 hours with lamp on.
Physical data
Xenon flash lamp
Light source
> 4000 hours
Lamp lifetime
Stand alone or from a computer running UNICORN 3.21
or higher through UniNet-1 connection
Control
65 VA
Power consumption
100/240 V AC ±10%, 50/60 Hz
Power requirement
3 signals, 0 to 1 V full scale, overrange function
Analog output
5 V, 1 mA current sinking, lamp on/off, autozero, event
mark
Digital inputs
2 rows with 20 characters each
Display
200 x 260 x 370 mm
Dimensions (H x W x D)
Monitor UV-900 Operating Instructions 28962214 AD
67
8 Reference information
8.1 Technical specifications
