



Introduction
The Yokogawa AAR181-S50 S2 RTD Input Module is designed for high-accuracy temperature measurement in industrial control systems. Built to interface directly with resistance temperature detectors, this module converts precise resistance variations into reliable digital temperature data for control and monitoring purposes. From an instrumentation engineer’s perspective, the AAR181-S50 S2 stands out for its signal stability, noise resistance, and suitability for continuous process environments where temperature integrity is critical.
Technical Specifications
| Item | Specification |
|---|---|
| Product Type | RTD Input Module |
| Input Signal | Resistance Temperature Detector (RTD) |
| Functional Role | Temperature signal acquisition and conversion |
| System Compatibility | Yokogawa control and automation systems |
| Installation | Chassis-mounted module |
| Operating Profile | Continuous industrial operation |
| Dimensions | 107.5 × 130 × 32.8 mm (H x W x D) |
| Weight | Approximately 0.2 kg |
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