Agilent InfinityLab LC Series VWD User Manual 32
2 Site Requirements and Specifications
Performance Specifications
Performance Specifications G7114B
Table 4 Agilent 1290 Infinity II Variable Wavelength Detector (G7114B) Performance Specifica-
tions
Feature Specification
Detection type Double-beam photometer
Light source Deuterium lamp
Number of signals Single and dual wavelength detection
Maximum data rate 240 Hz (single wavelength detection)
2.5 Hz (dual wavelength detection)
Noise
<±0.15·10
-5
AU, at 230 nm (single wavelength detection)
<±0.80·10
-5
AU, at 230 nm and 254 nm (dual wavelength detection)
Drift
<1·10
-4
AU/h, at 230 nm
Linearity >2.5 AU upper limit
Wavelength range 190 – 600 nm
Wavelength accuracy ±1 nm, self-calibration with deuterium lines, verification with holmium oxide
filter
Wavelength precision <±0.1 nm
Slit width 6.5 nm typical over whole wavelength range
Time programmable Wavelength, polarity, peak width, lamp on/off
Flow cells Standard:14 µL volume, 10 mm cell path length and 40 bar (588 psi) pres-
sure maximum
Micro:2 µL volume, 3 mm cell path length and 120 bar (1760 psi) pressure
maximum
Semi-micro:5 µL volume, 6 mm cell path length and 40 bar (588 psi) pres-
sure maximum
Preparative:4 µL volume, 3 mm cell path length and 120 bar (1760 psi) pres-
sure maximum
Preparative:0.3 mm cell path length and 50 bar (725 psi) pressure maximum
Preparative:0.06 mm cell path length and 50 bar (725 psi) pressure maxi-
mum
High pressure:14 µL volume, 10 mm cell path length and 400 bar (5801 psi)
pressure maximum
Spectral tools Stop-flow wavelength scan
Analog output Recorder/Integrator 100 mV or 1 V, 1 output
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