New, sealed Omega DRSL-TC Optic Isolator modules. These are great for using with an Allen-Bradley Analog card and are far more robust/reliable than using an IRT8i card for measuring temps, and can provide 16 temperatures (16 channels on an AB Analog card) for more than 1/2 the price over (2) AB IRT8i cards, modules, and cables. These retail over $220 per module buying directly from Omega.
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