The PR electronics 4131 is a versatile and highly reliable universal trip amplifier designed for a wide range of industrial monitoring and control applications. It accepts a broad spectrum of inputs, including mA, V, thermocouple (TC), RTD, linear resistance, and potentiometer signals. This device features two single pole double throw (SPDT) relay outputs that can be configured for various setpoint alarms, including window, high/low, or sensor error detection. The PR 4131 is easily programmed via the detachable PR 4501 display front, allowing for simple configuration and monitoring. With its universal AC/DC power supply and high galvanic isolation, it ensures safe and stable operation in demanding environments. Certified for SIL 2 applications, the PR 4131 is an ideal choice for critical safety instrumented systems.