Hot cathode ionization passive gauge heads for IM540
Flange connection to vacuum chamber
Analog output signal
DN 16 ISO-KF
1.2 - 8.68 V
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The IE414 and IE514 are high-end vacuum sensors based on hot cathode ionization effect. IE414 is a Bayard-Alpert gauge while the IE514 is based on the extractor principle. These passive gauges are combined and controlled by the IM540 vacuum gauge controller.
Thanks to the modulation of the cathode emission current, the IE414 measurement range spans over 9 decades from 10-2 mbar down to 10-11 mbar. The extractor principle allows IE514 reaching a lower measurement limit of 2×10-12 mbar thanks to its intrinsic reduction of X-ray and ion desorption effects. The IE414 and IE514 gauge heads are designed for low outgassing vacuum systems and can be baked up to extreme high temperature (400 °C). The temperature resistant gauge head cable set is also designed for high bake-out temperature, exceeding 200 °C (250 °C at the flange of the sensor).
High accuracy of the measurements due to individually calibrated sensing system
Extreme high temperature bake-out up to 400 °C
Bayard-Alpert sensing principle
Measurement range to 2×10-11 mbar
Modulation of the cathode emission current (in combination with the IM540 vacuum gauge controller)
Extractor sensing principle
Lowest measurement limit, down to 2×10-12 mbar
Significant reduction of X-ray and ion desorption effects
Scientific and R&D applications requiring precise vacuum measurement in the ultra-high vacuum range and high temperature bake-out