we are the real manufacture of ultrasonic flow meter,water meter,calorimeter,ultrasonic thickness gauge,flaw detector. Model style ultrasonic ... 4-20mA input optional,accuracy:0.1%,has the ability to input the signals of pressure, liquid level, temperature and so on.5:display ... meter(wall-mounted type,panel-mounted type)5:PT100 there wire platinum resistor(used for calorimeter)6: fixture(applied with ...