Viscositiy Compensated Flowmeter/-switch-All Metal VKM with ADI

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Viscositiy Compensated Flowmeter/-switch-All Metal VKM with ADI
  • Mã SP: BDAKB-VKM-ADI
  • Giá NY: Liên hệ
  • Giá bán: Liên hệ
  • Tình trạng:
  • Khuyến mãi:
  • Lượt xem: 1634
  • Measuring -/switching range:0,01 - 0,063 L/min ... 8 - 72 L/min
    L/min
    Connection: G ¼...G 1, ¼...1 NPT female
    Material: brass, st. st.
    Max. pressure: 250 (brass); 350 bar (st. st.)
    Max. temperature: 100 °C
    Accuracy: ± 4% FS
    Options: analogue output, digital display
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Measuring -/switching range:0,01 - 0,063 L/min ... 8 - 72 L/min

L/min

Connection: G ¼...G 1, ¼...1 NPT female

Material: brass, st. st.

Max. pressure: 250 (brass); 350 bar (st. st.)

Max. temperature: 100 °C

Accuracy: ± 4% FS

Options: analogue output, digital display

The KOBOLD flow meters and switches model VKM have a spring-loaded float, which slides within a cylindrical measu- ring tube and has an integral orifice which is believed to be unique.

This  and  other  design  features means  that  it  has  for the first time become possible to create a flow meter and switch which fully compensates for viscosity and to a large extent for density even with very low flows. The float of these patented devices contains a permanent magnet which actuates a potential free bistable reed contact mounted out- side the flow thus ensuring her-metic separation between the medium and the electrical contact system. The contact is embedded  within  a  height-adjustable plastic  housing to prevent damage to the contacts by mechanical action or aggressive atmospheres.

 

As the medium enters the instrument the float rises. Once its magnetic field reaches the contact tips of the reed switch the contact closes. As the flow increases the float rises further until it reaches its stop. This prevents the float from going beyond the contact range of the magnetic operating tube, that is, the contact remains closed thus ensuring bistable switching.