Comprehensive Guide to the Shimadzu SPD-20A Go to product viewer dialog for this item. User Manual: Operation, Maintenance, and Troubleshooting The Shimadzu SPD-20A Go to product viewer dialog for this item.

The SPD-20A/AV includes a solvent recycling valve option ( SV.WASTE ). This component can be programmed to divert the initial flow of solvent (which may contain impurities) to waste and then switch to send the rest to a collection vessel for recycling. This feature helps reduce solvent consumption and operating costs.

Navigate to the system maintenance menu on the keypad or LabSolutions software to reset the lamp usage hour meter back to zero. Flow Cell Cleaning and Flushing

Do you need for a specific task like dual-wavelength mode?

), making it suitable for both routine quality control and demanding research applications.

If you see "sawtooth" or regular spikes in your data, it's usually air in the cell. A common lab trick is to apply light backpressure to the cell outlet using a syringe or specific tubing to force the bubbles out. SPD-20A vs. SPD-20AV If you have the

Regular maintenance is key to the SPD-20A's longevity and performance. The service manual provides detailed procedures:

This section provides an overview of the major functional components described in the service manual.

Ensure the waste line is not restricted. Excessive backpressure (exceeding 12 MPa / 120 bar) will rupture the quartz window inside the flow cell. 3. Daily Operation and Software Control