The ATEQ F520 is a compact leak indicator module with differential pressure measurement capabilities at 50PA, 500PA, and 5000PA ranges. It features 16 programmable settings, RS232/485 communication interfaces, 7 inputs and 5 outputs, with an accuracy of ±1% of full scale. The unit includes navigation keys, a 4-line LCD display, and results indicator lights. Note: This product has been discontinued by the manufacturer.