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Stephanie LoweryAug 4, 2025
Why does the TempGuard message appear during a run on my CEM iPrep Laboratory Equipment?
- BBenjamin McdowellAug 4, 2025
If a TempGuard message appears during a run with your CEM Laboratory Equipment, it could be due to some vessels being hotter than others. To address this: * Follow the Bake-out Procedure to minimize liner differences. * Avoid mixing old and new liners; run them in separate turntables. Alternatively, the TempGuard variables might be programmed incorrectly. Here’s how to correct that: * Set the TempGuard limit to 30 °C above the control temperature if the control temperature is below 250 °C. * Set the TempGuard limit to 20 °C above the control temperature if the control temperature exceeds 250 °C. * Limit TempGuard to 270 °C for digesting organics with HNO3. * Limit TempGuard to 300 °C for HPO/HSO applications.
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