The Differential Pressure Transmitter Series IML - IML-M is manufactured by Produal Oy, is created for identifying and controlling air volumes in air handling units and room spaces. It has outstanding precision of the measurement and it is secured by the automatic zero point calibration. The proper range of measuring can be selected at commissioning from four various types. The supply is 24 Vac/dc or 22...28 V and the power consumption is either 24 Vdc < 1.0 VA or < 1.5 VA. THe housing is IP 54 protected and the housing pressure connection is Ø 6/4 mm hoses.