Scan Electronic Systems supplies Four Digit Flow Indicator and Totaliser. Scan Electronic Systems is an ISO 9001: 2008 certified company. The Four Digit Flow Indicator and Totaliser of model number FIT393M finds application as Standalone Flow Indicator and Controller in supervisory control and data acquisition. The Flow Indicator and Totaliser provides output of 4 - 20mA linear / sq. Root and is available with serial port of RS485.