Define Instruments Sentry Trip Amplifier | Signal Conditioner

Define Instruments Sentry, a versatile trip amplifier perfect for industrial applications. This device seamlessly accepts analog inputs from various sensors—process, temperature, flow, frequency, and voltage—ensuring reliable monitoring. With electrically isolated inputs, it prevents signal degradation from earth loops, enhancing performance. The Sentry’s relays efficiently control and signal alarms based on input signals. Featuring an optional analog output, it converts weaker signals into standard 4 to 20mA signals for extended transmission distances and compatibility with PLCs and SCADA systems. The universal power supply accommodates both AC mains and 24VDC, eliminating the need for separate versions. The Sentry, with a 22V excitation, easily powers common two-wire sensors and transmitters. Setup and calibration is easy with Define’s ToolBox software, offering a comprehensive library of pre-calibrated ranges and linearization tables. This device, with a 4-digit display, is invaluable for commissioning and fault finding. With a robust 35mm DIN rail mount casing (IP20 rated), the Define Instruments Sentry is designed for panel meters within harsh EMC environments.