Shimadzu Spd20a User Manual ((top))

Keep a printed copy of this table near your instrument.

Before starting an analysis, it is essential to set the baseline to zero. Pressing the function key will set the current absorbance reading to 0.0 AU for the selected channel(s). This step should be performed when the baseline is stable and the mobile phase is flowing through the cell.

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Once the baseline drift minimizes and the noise levels stabilize, press the key to auto-zero the detector.

This detector is certified as a Shimadzu Eco-Product, meaning it uses 35% less power than previous models without sacrificing its world-class noise level (0.5 x 10⁻⁵ AU). SR-Cell (Sensitivity and Resolution): Keep a printed copy of this table near your instrument

Features a temperature-controlled flow cell (TC-Optics) to ensure baseline stability against ambient temperature changes. 2. Operational Procedures

The official user manual for the SPD-20A is not directly accessible online. However, the service manual, which includes comprehensive troubleshooting and maintenance details, is available. Additional resources on Shimadzu’s official website and in user forums discuss the detector's integration with software like EZStart and its use with system controllers like the CBM-20A. This step should be performed when the baseline

The service manual contains detailed optical alignment procedures that are critical for maintaining performance after major repairs.