- Marca
- Knauer
- Código
- ADB71
- Categoría
- Cromatografia Y Espectrometria
- Disponibilidad
- Consultar · respuesta en 24 h
AZURA R VWD 2.1L variable wavelength detector with flow cell. Precise UV/VIS detection for HPLC and UHPLC analyses in chromatography workflows. Detector Type: Variable multi-wavelength detector, Conductivity monitor, pH Monitor Detection Channels: 4x UV/VIS, 1x Conductivity, 1x Temperature, 1x pH Wavelength Range: 190-900 nm Light Source: High brightness deuterium (D₂) lamp and halogen lamp with integrated GLP chip Flow Cell: Not included Display: Mobile Control (optional) Conductivity Range: 0.1-1000 mS/cm pH Measurement Range: 0-14 Wavelength Accuracy: ± 1.5 nm (verification with integrated holmium oxide filter) Wavelength Precision: 0.4 nm (ASTM E275-93) Conductivity Accuracy: ± 2 % or ± 0.5 mS/cm (whatever is greater) pH Measurement Accuracy: ± 0.1 (pH 2-12) Temperature Range: 1-99 °C Temperature Accuracy: ± 1.5 °C (4-40 °C) Wavelength Verification: Internal holmium filter Leak Sensor: Yes, Adjustable sensitivity GLP Report: Lamp recognition, Operating hours, Light source operating hours, Flow cell recognition Maintenance: Frontally accessible deuterium and halogen lamp, as well as flow cell Spectral Bandwidth: 6 nm at Hα line (FWHM) Baseline Noise Level (Test Cell, 254 nm, ASTM E1657-98): ± 7.5 µAU Drift (254 nm, ASTM E1657-98): 200 µAU/h Linearity (274 nm, ASTM E1657-98): > 2.5 AU Max. Data Rate: 100 Hz (LAN, 1 UV/VIS channel), 5 Hz (LAN, 4 UV/VIS channels with Dl=100 nm) Time Constants: 0.01 / 0.02 / 0.05 / 0.1 / 0.2 / 0.5 / 1.0 / 2.0 / 5.0 / 10.0 s Integration Time: Automatic