Waters 2489 - Operational Specifications

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 µAU
(at 230 nm, 1-second digital filter, 30-second
segments, 10-Hz data rate, analytical cell)
Wet noise <
8 µAU
(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 µAU
(at 230 nm, 280 nm with 2-second filter at 1-Hz
data rate, dry cell)
Dual channel noise
(wet)
<
15 µAU
(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)