A rail-mounted temperature transmitter is a modular industrial instrument that adopts the standard DIN rail installation method to convert the signals from a resistance temperature detector (RTD) or thermocouple (TC) into standard electrical signals, such as 4-20mA, for output.
| Comparison Item | Rail-mounted Temperature Transmitter | Integrated Temperature Transmitter |
|---|---|---|
| Installation Location | Control cabinet DIN rail | Industrial field temperature measurement points (pipes, equipment) |
| Signal Transmission | From on-site sensor wire to cabinet transmitter then to control system | Direct on-site transmission to standard signal for remote transmission |
| Anti-interference | Three-terminal isolation, strong anti-interference | Transmit on-site, reducing interference transmission |
| Wiring | Relatively long sensor cable | Remote transmission as standard signal, better wiring |
| Applicable Scenarios | Signal processing and centralized transmission of multiple measurement points in the cabinet | Single-point temperature measurement on-site and long-distance transmission |
Overall, the rail-mounted temperature transmitter is an expert in "solving integration problems". Its selection logic is very clear: when you need to centrally introduce the signals from multiple on-site temperature sensors into the control room and perform standardization and isolation processing, it is the most suitable solution.