DIR 12 is a large display unit for indication of volume or mass. It is designed for installation on aircraft refuellers, hydrant dispensers and tank truck loading stations. DIR 12 can be connected directly to flow computer via data bus or via frequency input. It operates as a repeater of flow computer displayed volume.
With its configurable pulses input, DIR 12 can also directly display the volume or mass measured by a flowmeter. Binary input of DIR 12 will be used for resetting the totalizer at the end of the batch.