Waters 2489, Overview And Maintenance Manual

Page: 140 / 150

June 11, 2015, 715004752 Rev. A
Page 140
B.6 Flow cell specifications
The following table lists the Waters flow cell specifications for the 2489 UV/Vis
detector.
Important:
The Low Dispersion Analytical flow cell is only compatible with the 2489
UV/Vis detector as a component in an ACQUITY Arc system.
Second-order filter Automatic for wavelengths > 370nm
Wavelength calibration
filter
Erbium filter, used at startup or on demand
Flow cell design
Patented TaperSlit™
a
Nitrogen purge Purge fitting present on rear of chassis
Path length 10 mm (analytical cell)
Cell volume 16.3 µL (analytical cell)
Pressure limit 6895 kPa (69 bar, 1000 psi) (analytical cell)
Wetted materials 316 stainless steel, fused silica, PEEK, Tefzel
a. US Patent Numbers: US 5,883,721
Table B–6: Waters TaperSlit flow cell specifications:
Description Volume (
μ
L)
Pathlength
(mm)
Tubing internal
diameter
(inches)
Pressure
rating
(bar/psi)
Inlet Outlet
Analytical 16.3 10 0.009 0.009 1000/70
Low dispersion
analytical
16.3 10 0.005 0.005 1000/70
Semi-prep cell 4.4 3 0.040 0.040 1000/70
Microbore cell 4.4 3 0.005 0.005 1000/70
Inert (titanium) cell 16.3 10 0.010 0.010 1000/70
High pressure cell 16.3 10 0.009 0.009 3000/210
Variable path
length flow cell
(VPF)
0.06 to 1.2 0.15 – 3
(factory preset
at 0.5 mm)
0.04 0.04 1000/70
Autopurification cell 6.0 1.0 0.009
0.020
0.040 IN 1
IN 2
OUT 2000/140
Table B–5: Optical component specifications (continued)
Attribute Specification