The GTx108e-F/SI and GTx108e-F/DI are EBTRON’s solutions for accurate and repeatable airflow measurement in SWSI and DWDI fans. The GTx108e-F/An is EBTRON’s solution for accurate and repeatable airflow measurement in fan arrays. One to eight fans are supported. Airflow, temperature, and/or airflow alarms are available on all models. The GTx108e-F/An provides individual fan airflow rates and fan alarming with a combination of analog output/network models. Does not affect fan performance.