... ,ultrasonic thickness gauge,flaw detector. Model style ultrasonic flow meter/calorimeterTechnology features:1:operating power:isolation 8-36VDC2:current: ... the positive,negative,net totaliser or flow rate and thermal energy of the last 512 days,128 months,10years Automatic ... style,∏ style,standard style)4:remote second times operation meter(wall-mounted type,panel-mounted type)5:PT100 there wire ...