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Silicon Based Thermopile Detector: 4 Channels
ST120 Quad - Dexter Research Center, Inc.
A four-channel silicon-based thermopile in a TO-5 package. Each small active area is 1.2mm x 1.2mm . Time constant of 25ms with Nitrogen encapsulation gas. Delivers a very low Temperature Coefficient of Responsivity of -0.04%/C. This detector has a very short thermal shock response to ambient temperature change.