Common chart recorder pen problems include faint traces, skipping, ink bleeding, and poor adhesion. Most issues are resolved by replacing the pen, selecting the correct tip size, or using the right chart paper.
Selecting the correct chart recorder pen depends on the recorder brand and model, the required tip size, the ink colour, and the operating environment. Felt-tip pens are the standard choice for general industrial recording, while fiber-tip pens are preferred for clean, high-precision traces in pharmaceutical, laboratory, and food processing applications.
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