UAS3 Barksdale Trip Amplifier and Display Trip Amplifier and Display – Model UAS3 Micro processor controlled Trip amplifier and display 8 digit, 14 segment display with bar graph Display range -9999 to +9999 Accuracy Class 0.2% FS 4 x SPDT relay outputs 1x analogue 0/4-20 mA Supply 24 vdc View Product Specifications – PDF