: Check if the lamp is ignited. If not, see ERR D2 LAMP . If the lamp is on, the issue may be in the signal processing, the photomultiplier tube, or a communication failure.
To prevent downtime, users should adhere to the following maintenance schedule:
Here is an essay structured to serve as a high-quality supplementary guide for the SPD-20A.
The user manual advises creating or editing a method to turn on the Deuterium (D2) lamp. A "D2" indicator on the display shows that the lamp is active. Setting Parameters shimadzu spd20a user manual
Allow the detector to stabilize for at least 30–60 minutes before running samples.
The SPD-20A is designed to deliver exceptional sensitivity ( ) and wide linearity (
Input your target detection wavelength (e.g., 254 nm for aromatic compounds). : Check if the lamp is ignited
is typically controlled via the Shimadzu LabSolutions software or the CBM-20A/20Alite communication bus module. Setting Up Detection Parameters
The SPD-20A is a versatile instrument used across many fields due to its high sensitivity and linear response over a wide dynamic range. Common applications include:
: The manual describes an update mode for the SPD system. This requires a connection to a computer via an OPT-232C adapter and running the Fupdate.exe application. This procedure should only be performed by trained personnel when a firmware update is required. To prevent downtime, users should adhere to the
: This occurs when the leak sensor detects liquid inside the instrument housing. Action : Immediately turn off the HPLC pump. Check all connections and unions for visible leaks. Tighten or replace fittings as necessary. If no leak is visible, the sensor may be too sensitive; the LEAK THR setting may need to be adjusted.
You can control the SPD-20A through the front panel keypad or via LabSolutions software. Setting the Wavelength Press the [λ] key on the front panel. Enter the desired wavelength (e.g., 254 nm). Press [Enter].
The Shimadzu SPD-20A user manual covers the following key features and functions: