The LIM-152 is an uncompensated dual-channel detector, which achieves a higher stability at the operating point and sensitivity for steep temperature ramps through an optimized time constant. By using very thin Lithium Tantalate (LiTaO3) crystals as the sensitive pyroelectric element, the detectivity is still reasonable and therefore this detector offers an economical alternative to thermal compensated detectors.
The design of the thermally compensated LIM-252 has been especially chosen so that the signal shifts are minimally even under extreme conditions. For all dual-channel detectors there is a wide selection of narrow band interference filters for common gases available.
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