Ring Piston Counter-Analogue Output DRZ with AUF

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Ring Piston Counter-Analogue Output DRZ with AUF
  • Mã SP: BDNKB-DRZ-AUF
  • Giá NY: Liên hệ
  • Giá bán: Liên hệ
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  • Khuyến mãi:
  • Lượt xem: 7405
  • Tags: Bàn Map
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Measuring -/switching range: 6-420 L/h oil
Connection: G1/8, G ¼, 1/8 NPT, ¼ NPT
Material: brass
Max. pressure: 40 bar
Max. temperature: 80 °C
Accuracy: ± 1 % meas. value.
Analogue output, digital display

Piston flow meters are direct volume counters, also called displacement counter (positive displacement meter).Its function is based on continuous limitation of a definite part-volume of the flow in a measuring cell through continu-ous filling and emptying of this measuring cell. The measuring cell consists of the measuring chamber and the moving part, the piston.

The piston is driven by the pressure difference between inlet and outlet of the measured media. The revolution is carried forward via a magnet and a magnet field sensor.

In cross section the u-formed piston is guided with its piston-and guiding-adaptor in a ring chamber at the bottom and top of the measuring-body and also with its slot at the baffle.

The inlet and outlet openings are located on both sides of the chamber’s wall. They are constantly sealed by the piston and the baffle.

The incoming measured media fills up the sickle shaped  space, it wants to increase this space and therefore turns  the piston, until one after the other the volumes V1 and V2  are reached. While moving ahead, these filled spaces get  connected with the outlet and are emptied. Since both sickle shaped spaces - the inner and the outer - are displaced to one another, the piston movement will not have a dead  center. The piston moves continuously depending to the measured flow.

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