Before diving into procedures, here are the core specifications you will consistently reference in the Shimadzu SPD-20A 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) |
Keep a printed copy of this table near your instrument.
The SPD-20A’s front panel is menu-driven with an LCD display and function keys. shimadzu spd20a user manual
| Key | Function |
|------|-----------|
| func | Enters configuration menu |
| CE | Clears entry or returns to previous screen |
| Enter | Confirms input |
| ▲/▼ | Scrolls through parameters |
| Zero | Auto-zeroes the detector (sets baseline to 0 AU) |
| Lamp | Turns D2 or W lamp on/off |
The Shimadzu SPD-20A UV-Vis detector is designed to offer high sensitivity and stability, making it an indispensable tool for chromatographers. It features a variable wavelength detector that allows users to monitor specific wavelengths, enhancing the specificity and sensitivity of analyses.
This informative paper is intended for educational and quick-reference purposes only. Always consult the original manufacturer manual before performing maintenance or repairs. Set the time constant (typically 1
The Shimadzu SPD-20A user manual provides critical, in-depth technical guidance for HPLC operators, covering installation, operation, and maintenance. It is available in both a brief instructional format and a detailed PDF version, featuring specific troubleshooting codes, safety protocols, and performance specifications for the UV-VIS detector. For access to the user manual, search for the document at Scribd.
Shimadzu SPD-20A/20AV UV-VIS Manual | PDF | Mains Electricity
The official PDF is available from Shimadzu’s global support portal. Here are trusted sources: Set output polarity and range (e
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Search "Shimadzu SPD-20A lamp replacement" on YouTube’s Shimadzu Scientific Instruments channel. These videos align exactly with the manual’s written steps but include visual guidance.
The official Shimadzu SPD-20A user manual (Part Number: C232-0061X) is structured into logical chapters. Here is how to quickly find what you need: