Performance Specifications; Detector Specifications - Thermo Scientific Vanquish VH-D10 Operating Manual

9 • Specifications
9.1

Performance Specifications

9.1.1

Detector Specifications

Type
Optical design
Light source
Wavelength range
Spectral bandwidth
Diode bunching
Wavelength accuracy
Wavelength repeatability
Wavelength calibration
Wavelength validation
Signal channels
Data collection rate
Filter response times (in seconds)
Spectra scan
Slit width
Noise
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The device performance is specified as follows:
Specification
• Single-beam, reverse-optics design with concave holographic grating
• High Numerical Aperture (NA) achromatic optics
• 1024-element photodiode array
Deuterium lamp for UV and VIS wavelength range (30 W)
190 – 680 nm
0.5 nm pixel resolution at average; optical resolution down to 1 nm with
smallest slit
1 – 100 nm, individually programmable for each signal channel and 3D
field
± 1 nm
± 0.1 nm
Internal calibration with D-alpha line of the deuterium lamp
Internal validation with holmium-oxide glass filter
10 signal channels
Adjustable, 0.2 Hz – 200 Hz
0 (no filter), 0.02, 0.04, 0.1, 0.2, 0.4, 1, 2, 4, 10, 20
3D field with full spectral range 200 Hz
1 nm, 2 nm, 4 nm, 8 nm
<± 3 µAU at 230 nm ASTM
<± 10 µAU at 520 nm ASTM
Reference conditions:
• Wavelength: as listed; bandwidth 4 nm; reference wavelength not
used; slit width: 4 nm
• Time constant: 2 sec (response time = 2.2 x time constant as proposed
in ASTM). For details, see below this table.
• Flow cell: 10 mm standard fused-silica flow cell
• Flow: 0.5 mL/min LC/MS-grade water; column installed in flow path
before flow cell; pump pressure: >7 MPa
• See the temperature conditions below this table.
Diode Array Detectors (VH-D10)
Operating Manual