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0697-001 TR3 - 10/19
en
2.2 Proper use
• The flow meter TR3 is a flow meter for flowing liquids based on the measuring principle of a turbine
wheel meter where gauging metering is not required. The flow meter is suitable for stationary use as
well as for mobile filling process.
The flow meter TR3 turbine meter consists of a measuring chamber with a turbine and an electronic
housing which contains the evaluation electronics, display, and keypad. The turbine is equipped with a
magnet which transfers the measurement pulses to a reed switch on the evaluation electronics when a
medium flows through it.
The flow meter TR3 has a non-resettable total volume memory and 8 resettable partial volume memory
slots.
!
DANGER
The metering of non-compatible liquids damages the flow meter.
Splashing liquid can cause injury.
Check by means of the materials indicated in the technical data and a resistance table (e. g. Lutz
resistance table) whether the flow meter is suitable for the delivered liquid.
!
DANGER
Fire and explosion hazard due to delivered liquid!
Combustion hazard. Blast wave: Flying parts can kill.
The flow meter is not explosion proof. It is not allowed to put the flow meter into operation inside of
hazardous location and with explosion hazard, oxidizing, highly or easily flammable liquids.
!
DANGER
Exceeding the temperature range and the operating pressure causes damage to the flow meter.
Splashing liquid or flying parts can cause injury.
The ranges indicated in the technical data for temperature of liquid and operating pressure have to be
observed.
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