The Swiss Army knife of trip amplifiers! If you're looking for the right tool for your monitoring and alarm application, the Sentry is it. This din rail mountable unit measures just 0.91" and provides maximum flexibility.
Works with both AC or DC voltage
No need to worry about what power is available in the field, you can plug the Sentry into whatever there is: Mains, 24V, whatever! No stress about stocking high and low voltage versions or whether you've taken the right one with you to the job. The Sentry is a truly universal unit, so you can relax!
Huge range of input types
The Sentry accepts 7 signal input types: Potentiometer, V, Tc, mA, Freq, NTC and RTD. This guarantees that whatever signal you've got to measure, you can do it with the Sentry.
A display for easy to set up and troubleshooting
A unique and distinguishing feature of the Sentry is it’s 4 digit display, making commissioning and fault finding easy.
60 second set up
It doesn't get any easier than this. You'll set it up in a flash using our free ToolBox software. Get the full specifications of the Sentry Trip Amplifier »