B-2
Detector Specifications
Operational specifications
Operational specifications
Condition
Specification
Wavelength range
190 to 700 nm
Bandwidth
<5 nm
Wavelength accuracy
+1.0 nm
Wavelength
repeatability
+0.1 nm
Single
λ
dry noise
<5
µ
AU
(at 230 nm, 1-second digital filter, 30-second
segments, 10-Hz data rate, analytical cell)
Wet noise
<8
µ
AU
(at 230 nm, 1-second digital filter, 30-second
segments, 10-Hz data rate, 1-mL/min. flow of
acetonitrile, analytical cell)
Dual channel noise
(dry)
<12
µ
AU
(at 230 nm, 280 nm with 2-second filter at 1-Hz
data rate, dry cell)
Dual channel noise
(wet)
<15
µ
AU
(at 230 nm, 280 nm with 2-second filter at 1-Hz
data rate, 1mL/min. flow of acetonitrile, analytical
cell)
Linearity
<5% at 2.5 AU, propylparaben at 257 nm
Drift
1.0 × 10-4 AU/hr. max
(∆Τ =
+
2
°C/hr.)
Thermal drift
1.0 × 10-4 AU/°C max
(∆Τ =
+
2
°C/hr.)
Sensitivity setting
range
0.0001 to 4.0000 AUFS
Filter setting range
Single wavelength: 0.1 to 5.0 seconds
Dual wavelength: 1 to 50 seconds
Time constant
0.0- to 5.0-second Hamming filter
Digital data rates
1, 2, 5, 10, 20, 40, 80 Hz (single channel)
1, 2 Hz (dual channel)
Summary of Contents for 2489
Page 8: ...viii...
Page 32: ...1 16 Theory and Principles of Operation...
Page 134: ...3 66 Preparing the Detector...
Page 193: ...Warnings that apply to all Waters instruments A 9...
Page 204: ...B 6 Detector Specifications...
Page 220: ...D 14 Solvent Considerations...