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Archive for April, 2011


Optical Integrity: Testing the detector

Thursday, April 7th, 2011

Most optical flame detectors have a method to indicate that they are not operating correctly – an LED or an online alert. If the detector does not indicate a fault, you might believe the detector is alert and watching for possible hazards.

But how do you know the detector is not blinded by ice, oil, or another obstruction? And how do you know the sensor is functioning?

Det-Tronics’ optical self-checking feature is called optical integrity (oi). This useful feature applied, for example, to an IR flame detector indicates if an IR absorbing material on the detector eye has reduced the effectiveness of the detector.

When you consider a detector that claims it has an optical self-checking system, ask these questions to determine how well the feature will work in your application: (more…)

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