The SITRANS FS290 is a portable ultrasonic flow measurement system for easy checking of volumetric flow in pipes. It includes the battery-powered SITRANS FST090 transmitter and the SITRANS FSS220 clamp-on sensors. The sensors are installed quickly and easily from the outside on a pipe – without process interruption or system downtime. Transmitter FST090 No Sensors Charger Type A for Europe (CEE7/7) One battery pack rechargeable External junction box to conncet of I/O signals and Modbus . . Default value B Power Adaptor Type A for Europe (CEE7/7) Enable Mass storage device function for SD-card by USB (outside USA mandatory)