Hind Vactech Scientific Pvt.Ltd.

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Analog Penning Gauge

This is a cold cathode ionisation Gauge consisting of two electrodes anode and cathode. A potential difference of about 2.2 KV is applied between anode and cathode through current limiting resistors. A magnetic field is introduced at right angles to the plane of the electrodes by a permanent magnet having nearly 800 gauss magnetic field which will increase the ionisation current. This cold cathode ionisation gauge works on the principle of cold cathode discharge and ionisation. It is has an anode and a cathode electrode. An electrical potential of approx. 2.2kV is applied between anode and cathode. The electron emission will happen from the cathode (gauge head boby). Here a magnetic is assembled and the magnetic field is introduced. Due to which the ionization current is increased. Since the magnetic field is applied at right angle with the electrodes, the emitted electrons will take a helical path before reaching the anode. Thus following very long path, the chance of collision with gas molecule is high even at low pressures. The secondary electrons produced by ionisation themselves perform similar oscillations and the rate of ionization increases rapidly. This cold cathode penning gauge, with this principle of measurement of vacuum, it is designed to read from 10-2 to 10-6 m.bar. The high efficiency high voltage DC power supply, rugged electronics design high quality permanent magnets are part of the penning gauge. The ionization current is read from the front panel micro ammeter.

Salient Features:

  • rugged and stabilised DC power supply for accurate reading
  • Easy maintenance of the sensor
  • Rugged design for no filament burnout
  • Instant start up
  • Standardised to heat and voltage fluctuations
  • Compatible out put for process set point controller
  • Technical specifications:

    Model No. C-80
    Pressure Range 10-2 to 10-6mbar in two ranges of 1x10-2 to
    1x10-5 mbar and 3x10-5 mbar to 1x10-6 mbar
    Display Wide view analog panel meter calibrated
    directly in mbar in the ranges
    Capacity One Gauge head
    Power Input 220V AC ±10%, 50 Hz
    Power cord 2 Mtr. long cable with 3 pin, 5 amp plug as
    standard. Extra long cable on request.

    GAUGE HEAD SPEC

    Type PNG 22
    Useful Range 10-2 mbar to 10-6mbar
    End flange connection Standard KF-25
    Gauge Head Cable 2 Mtr. long Amphenol sockets suitably
    connected on both sides as standard
    extra length cable on request