Shimadzu Spd20a User Manual _verified_ Jun 2026

If your SPD-20A is connected via CBM-20A to LabSolutions, the software includes a "Module Help" menu. Click on the SPD-20A icon → "Manual" to open context-sensitive pages for error codes.

Pull the old lamp straight out. Do not touch the glass envelope of the new lamp with bare fingers; use lint-free gloves.

Routine maintenance is critical to ensure a low noise level (typically AU) and baseline stability. UV-VIS detector / Photodiode Array Detector - Downloads shimadzu spd20a user manual

| Parameter | Specification | |-------------------------|--------------------------------------------------| | Wavelength Range | 190 – 600 nm | | Light Source | Deuterium lamp (D2) for UV; Tungsten lamp (optional for Vis) | | Bandwidth | 8 nm | | Wavelength Accuracy | ±1 nm | | Noise Level | ±0.25 × 10⁻⁵ AU (at 254 nm, 2 sec time constant) | | Drift | ±1 × 10⁻⁴ AU/h | | Cell Volume | 12 µL (standard), 8 µL (semi-micro), 2.5 µL (micro) | | Time Constant | 0.1 to 3.0 sec (adjustable) |

For detailed troubleshooting or to download the official PDF, search the for the "SPD-20A Instruction Manual." If your SPD-20A is connected via CBM-20A to

The SPD-20A balances high sensitivity with long-term stability. Understanding its core specifications helps optimize performance. Deuterium ( D2cap D sub 2 Wavelength Range: 190 nm to 700 nm. Spectral Bandwidth: 8 nm. Wavelength Accuracy: ±1 nm. Wavelength Reproducibility: ±0.1 nm. Noise Level: AU (under specified conditions). Drift: AU/hour (under specified conditions). 2. Installation and Initial Setup

If necessary, use a dilute nitric acid solution (5%), followed by a thorough water rinse. Do not touch the glass envelope of the

provides a practical guide on how to integrate the SPD-20A into a full HPLC workflow. Community Troubleshooting : Platforms like Chromatography Forum

The manual divides maintenance into three categories. Ignoring these voids your warranty.

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

Routine maintenance is critical for achieving the stated specifications, especially in high-throughput environments. Routine Maintenance