2489 UV/Visible Detector, Waters (CAT#: STEM-CPO-0717-ZJF)

The manufacturer of the 2489 UV/Visible Detector, Waters is Waters.
The Waters 2489 UV/Visible Detector a two-channel ultraviolet/visible (UV/Vis) detector designed for high-performance liquid chromatography (HPLC) applications and is the best detection choice for performance, reliability, and usability. Combining a high energy Deuterium source, a precise optical design, and low noise, high speed electronics, the 2489 UV/Visible Detector is the most sensitive and versatile detector for performing routine UV-based applications.

Condition: Refurbished, Certified Pre-owned
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, analytical cell)
Dual channel noise (dry): <35 µAU (measured at 230 nm, running at 230 to 280 nm with 2-second filter at 1-Hz data rate; dry, analytical cell)
Dual channel noise (wet): <45 µAU (measured at 230 nm, running at 230 to 280 nm with 2-second filter at 1-Hz data rate; 1 ml/min, flow of acetonitrile, analytical cell)
Linearity: <5% at 2.5 AU, propylparaben at 257 nm
Drift: 1.0 x 10-4 AU/hr. max (∆T = +2°C/hr.)
Thermal drift: 1.0 x 10-4 AU/°C max (∆T = +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: To 5.0-second Hamming filter
Digital data rates:
1,2,5,10,20,40,80 Hz (single channel)
1,2 Hz (dual channel)
Analog output data rates (single λ mode):
10,20,40,80 Hz (channel A)
10 Hz only (channel B)
Lamp source: 30-W High Brightness Deuterium lamp, 0.5 nm aperture, pre-aligned 2000 silicon photodiodes (matched pair)
Second-order filter: Automatic for wavelengths > 370 nm
Wavelength calibration filter: Erbium filter, used at startup or on demand
Flow cell: TaperSlit flow cell design
Nitrogen purge: Purge fitting present on optics bench
Path length: 10 mm (standard analytical)
Cell volume: 10 µL (standard analytical)
Pressure limit: 6895 kPa (69 bar,1000 psi)
Materials: 316 stainless steel, fused silica, Tygon
Operating temperature: 4 to 40 °C (39 to 104 °F)
Operating humidity: 20% to <95%, noncondensing
Shipping and storage: -30 to +60 °C
Shipping and storage humidity: 0% to <95% noncondensing

Enhanced sensitivity via patented TaperSlit™ flow cell, which channels light through the cell for better energy throughput while minimizing RI effects
Low noise performance (<5 µAU)
Lamp optimization for the best s/n performance over the lifetime of a Deuterium lamp
Flexible sampling rates, from 1 to 80 Hz, for normal and fast LC separations
Independent optimization of sampling rates and filter time constants gives you the ability to tune your detector to your separation goals
Enhanced thermal wander management reduces baseline wander due to fluctuations caused by ambient conditions
Flow cell options to match your separation scale and type
Accessible detector components for easy operation and maintenance

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