CRM2/RTD-1K: Custom Range Module for Smart II

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Product Overview

The Custom Range Module for STAEFA’s Smart II Controller (CRM2-RTD-1K) provides the means to bring in various analog input signals into the four universal inputs on the Smart II Controller. 

The purpose of the CRM2-RTD-1K custom range module is to convert various temperature ranges for a platinum RTD-1K sensor and scale them to a 0 to 5VDC signal for the Smart II Controller.

The CRM2 is available in these options.

For more information go to the datasheet.  It contains the specific information on page 3 & 4 that is necessary for the input and output options below.  If you have any questions, please contact AEI’s Tech Support via

Dimensions:  W: .7” x H: 1.1" x D: 4"


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