Mighty Modules Model SR2300
RTD Input Field Rangeable Two Wire Transmitter
The SR2300 is a low-cost, reliable, RTD input two-wire transmitter for field or panel mounting in various industrial housings and enclosures. It provides a DC output current (4/20 mA) proportional to an RTD input.
Filtering and conditioning to reduce susceptibility to transients and noisy operations provide accurate, trouble-free operation. Ranging is accomplished via a plug-in card which characterizes the input for the desired RTD type and sets the temperature range. Linearization is provided for platinum RTDs.
The SR2300 utilizes a single constant current source to excite the RTD. An accurate and stable leadwire compensation circuit uses the third lead of a 3-wire RTD to compensate for the RTD lead resistance. The output ZERO and SPAN controls are accessible through the top of the case. Zero is adjustable ± 20% and span ± 15%. Terminations are made to screw terminal connectors on the top of the case.
Test points located on the SR2300 front panel allow monitoring of loop current value, using a milliammeter, without breaking the loop current.
Remote temperature data acquisition.
The SR2300 can be mounted in a connection head (TSH-A6L), explosion-proof housing (XJAY), or on a flat surface using the two 4.5 mm diameter mounting holes provided. Standard 33 mm hole center spacing allows for mounting in most connection heads. The 5.08 mm center hole allows clearance for input wiring or for a 3/16 diameter temperature probe. An optional DIN-Rail mounting kit is available (DMP2000).
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