Datcon DT7000, Руководство по эксплуатации

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DT7000
8
20171206-V1
3.2. Principle of operation
Area of application
The DT7000 Intrinsically Safe Differential Pressure Meter /
Transmitter enable measure gauge pressure or differential
pressure of dry air in Zone 1, 2 areas.
Application fields are: HVAC systems, filter monitoring, clean
rooms, etc.
Operating principle
The measuring air gets into the measuring space of the
sensor via the pressure ports. The differential pressure
value is converted into electrical value by the sensor.
The signal converter circuit converts it into, 4-20 mA current
signal for the output and digital form for displaying the result
on the LCD.
Power supply
The supply voltage is 12-28 VDC.
For other requirements see: Chapter
9.1. Technical
specification
, Safety data.
3.3. Adjustment
The DT7000 is calibrated for the ordered measuring range.
If needed it is possible for the user to calibrate the
instrument via the internal trimmer potentiometers.
3.4. Storage and transport
This instrument should be stored and transport in places
whose climatic conditions are in accordance with chapter
9.1. Technical specification
, as described under the title:
Environmental conditions.
Handle the package with special care the instrument is
highly sensitive to shocking!
The packaging of DT7000 consist of environment-friendly,
recyclable cardboard is used to protect the instrument
against the impacts of normal stresses occurring during
transportation. The corrugated cardboard box is made from
environment-friendly, recyclable paper. The inner protective
material is polyfoam and nylon, which should be disposed of
via specialized recycling companies.