UV baseline noisy or cycling - WKB52168
Article number: 52168
SYMPTOMS
- Baseline noise is high on new installation of UV with a 2555 and a 2487/2489 Semi-Prep cell
- Noisy, cycling or oscillating baseline
- Can also be observed with other HPLC pump from the 15xx family.
ENVIRONMENT
- 2489 UV/Vis Detector
- 2996 PDA Detector
- 2998 PDA Detector
- 2487 Dual-Wavelength Absorbance Detector
- 1515 Isocratic HPLC Pump
- 1525 Binary HPLC Pump
- 1525 Micro Binary HPLC Pump
- 2525/2545 Binary Gradient Module
- 2535/2545/2555 Quaternary Gradient Module
CAUSE
Air bubble in flow cell
FIX or WORKAROUND
- Flush flow cell.
ADDITIONAL INFORMATION
id52168, 2487, 2489, 2489B, 2489SFC, 2996, 2998, 2998B, 2998SFC, A-10PDA, A-10UV, baseline ripple