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Media control in electrical impedance counting

For enhanced reliability

Your benefits

  • Compact system solution enables various functions tob e combined into a single component
  • Chemical resistance and maximum quality for low maintenance intervals
  • High leak-tightness for maximum efficiency in regulating the medium

Electrical impedance measurement is an established method for detecting the number of blood cells in a sample. The reliability of the measurement results is greatly dependent on the media control system, which is responsible for regulating the supply and discharge of the electrolyte solution or sample. For this purpose, valves and pumps that work quickly and precisely are used.

Requirements to impedance counting

Impedance measurement enables the precise number and size of blood cells to be determined in a short time, which provides an indication of the patient’s state of health. This is exactly the reason why reliable measurement is so important.

Peace of mind in achieving precise results – Procedure

The electrolyte solution is pumped via a valve into the impedance measurement device, into which the blood sample is introduced. Both are then passed through a cavity, small enough to permit only one cell to pass through at a time. Using an electrical field and based on the resistance between the two measuring electrodes, the blood cells can be counted and typified, enabling not only the number of the cells but also their size to be determined. We are pleased to support you with our extensive application expertise when implementing a suitable system.

2/2 or 3/2 way Whisper Valve  with media separation

2/2 or 3/2 way Whisper Valve with media separation

Type 6724

  • Highest chemical resistance
  • Compact design with 8.9 mm width
  • Orifice size 0,8 mm (vacuum up to 5 bar [72,52psi]) and 1.2 mm (vacuum up to 3 bar [43.51psi])
  • Very fast, almost silent switching with < 20 dB (A) and < 1 W power consumption
  • High back pressure tightness, excellent cleanability and 100% duty cycle
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Direct-acting 2/2 or 3/2 way Rocker-Solenoid Valve with separating diaphragm

Direct-acting 2/2 or 3/2 way Rocker-Solenoid Valve with separating diaphragm

Type 0127

  • For maximum chemical resistance requirements
  • Compact design with 16 mm width and Cv ratings up to 0.058
  • Proven reliability since 1993
  • Flexible design for custom manifold assemblies
  • High back pressure tightness, excellent cleanability and 100 % duty cycle
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2/2 and 3/2 way Bürkert TwinPower Rocker-Solenoid Valve with separating diaphragm

2/2 and 3/2 way Bürkert TwinPower Rocker-Solenoid Valve with separating diaphragm

Type 6624

  • For highest chemical resistance requirements
  • Ultra compact design due to Bürkert Twinpower-actuatur with 10.3 mm width
  • DN 0.8 (5 bar) and DN 1.6 (2 bar)
  • Integrated hit and hold electronic
  • High back pressure tightness with excellent cleanability
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2/2- and 3/2-way Bürkert TwinPower Rocker-Solenoid Valve with separating diaphragm

2/2- and 3/2-way Bürkert TwinPower Rocker-Solenoid Valve with separating diaphragm

Type 6626

  • For highest chemical resistance requirements
  • Ultra compact design due to Bürkert Twinpower-actuatur with 16mm width
  • DN 2,0 (3bar) and DN 3,0 (2bar)
  • Integrated hit and hold electronic
  • High back pressure tightness with excellent cleanability
Product page

Our other solutions in different applications

Reagent and sample dosing

Time-Pressure Dosing

For more precision

Get more information

Syringe Pump Dosing

For precise results

Get more information

Analysis unit

Media control in electrical impedance counting

For enhanced reliability

Get more information

Media control in flow cytometry

For superior performance

Get more information

Cleaning and waste handling

Media control for the cuvette washing station

For greater efficiency

Get more information

Media control for cleaning the dosing needle

For greater safety

Get more information

      

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