waters 2998 Detector

Operating temperature

4 to 40°C (39.2 to 104°F)

Operating humidity

<95%, noncondensing

Shipping and storage temperature

-30 to 60°C (-22 to 140°F)

Shipping and storage humidity

20 to 85%, concondensing

Acoustic noise (instrument generated)

<50 dBA

Wavelength range

190 to 800nm

Optical resolution

1.2 nm

Photodiodes

512

Digital resolution

1.2 nm/pixel

Wavelength accuracy

±1.0 nm

Wavelength repeatability

±0.1 nm

Digital filter

Variable with data rate

Second-order filter

Fixed 371 nm to 800 nm

Noise – UV (dry)

10 µAU peak to peak

Filter = 1 second, 30-second segments

Wavelength = 254 nm

Bandwidth = 3.6nm (3-pixel bunch)

Flow cell = analytical, 10 mm

Dta rate = 2 Hz

Noise – UV (wet)

10 µAU peak to peak

Filter = 1 second, 30-second segments

Wavelength = 254 nm

Bandwidth = 3.6nm (3-pixel bunch)

Flow cell = analytical, 10 mm

Dta rate = 2 Hz

Flow rate = 0.5 mL/min

Solvent = water/acetonitrile, 90/10

Drift – UV(dry)

1000 µAU/hr

Filter = 1 second, 30-second segments

Wavelength = 254 nm

Bandwidth = 3.6nm (3-pixel bunch)

Warm-up time = 60 minutes

Environmental stability = ± 2°C/hr

Flow cell = analytical, 10 mm

Data rate = 2 Hz

Linearity

<5% at 2.0 AU, propylparaben series at 257nm, analytical flowcell

Data rate

1, 2, 5, 10, 20, 40, 80