8 44 1670 001-GB-I
HDA eco
2 Technical description
2.1 Intended use
The HDA eco is designed as a Fluid Inventory Control System for use in industry,
workshops, filling stations and similar facilities.
It is intended for the control of dispensing during the refuelling of vehicles with liquid
and pumpable operating media.
The installation and operation of the Wonder Box in explosion hazardous areas is
not permitted. This would constitute a risk of explosion!
2.2 Description
The HDA eco fluid inventory control system is designed for controlling and recording
the filling of small and medium sized fleets of vehicles at petrol stations or in the
yards of vehicle pools. It is however also used in connection with other meters in the
field of workshops and industrial enterprises. Up to 2,000 drivers and up to 2,000 ve-
hicles can be administered.
A delivery transaction is initiated once the operator's authorization to fill has been
checked. The identification of the operator can take place by entering a code or via a
transponder. In addition, other optional requests can be set up: Driver, vehicle, mile-
age, order number and pre-selection quantity.
The HDA eco receives pulses from a sensor which are proportion to the volume, cal-
culates the dispensed volume via the stored pulse value and displays these two meas-
urements on a two line text display. The measured data are stored in a non-volatile
data storage unit with the time stamp of the battery-buffered real time clock. Via var-
ious interfaces (e.g. RS232, RS422, USB, LAN, WLAN), it is possible to transfer the
measured data for further processing on a PC.
With the help of a fill level switch or a fill level probe, the HDA eco can monitor a
tank in such a way so that if a specified fill level is not reached, the extraction point
is blocked (protection against idle running). When using a fill level probe, the current
fill level can be displayed.
2.3 Versions
Item No.: 816700001 HDA eco
Item No.: 816700003 HDA eco / Version USA
Item No.: 816700004 HDA eco / Cyrillic Display
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