Vacuum measuring

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Today, the total range of vacuum pressure accessible to measurement extends from atmospheric pressure (about 1000 mbar (750 Torr)) down to 10-12 mbar/  0.75•10-12 Torr, i.e. it extends over 15 powers of ten. The instruments used for measuring the pressure within this wide range are called vacuum gauges. For physical reasons it is not possible to create a single vacuum sensor through which it might be possible to perform quantitative measurements within the entire pressure range. Therefore, a variety of different vacuum gauges are available, each with their own characteristic measurement range which commonly extends over several powers of ten.

Today, the total range of vacuum pressure accessible to measurement extends from atmospheric pressure (about 1000 mbar (750 Torr)) down to 10 -12 mbar/  0.75•10 -12 Torr, i.e. it extends... read more »
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Vacuum measuring

Today, the total range of vacuum pressure accessible to measurement extends from atmospheric pressure (about 1000 mbar (750 Torr)) down to 10-12 mbar/  0.75•10-12 Torr, i.e. it extends over 15 powers of ten. The instruments used for measuring the pressure within this wide range are called vacuum gauges. For physical reasons it is not possible to create a single vacuum sensor through which it might be possible to perform quantitative measurements within the entire pressure range. Therefore, a variety of different vacuum gauges are available, each with their own characteristic measurement range which commonly extends over several powers of ten.

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PC_15752.jpg PENNINGVAC PR 25 Part no. 15752
Connection flange: DN 25 ISO-KF
Pressure range: 1 x 10-9 mbar - 10-2 mbar
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LEYBOLD - GRAPHIX ONE GRAPHIX ONE Part no. 230680V01
Mains connection: 100 - 240 V, 50/60Hz
Pressure range: 1 x 10-10 mbar - 2000 mbar
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LEYBOLD - GRAPHIX TWO GRAPHIX TWO Part no. 230681V01
Mains connection: 100 - 240 V, 50/60Hz
Pressure range: 1 x 10-10 mbar - 2000 mbar
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PENNINGVAC PR 26 PENNINGVAC PR 26 Part no. 13646
Connection flange: DN 40 ISO-KF
Pressure range: 1 x 10-9 mbar - 10-2 mbar
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LEYBOLD - GRAPHIX THREE GRAPHIX THREE Part no. 230682V01
Mains connection: 100 - 240 V, 50/60Hz
Pressure range: 1 x 10-10 mbar - 2000 mbar
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PENNINGVAC PR 27 PENNINGVAC PR 27 Part no. 13647
Connection flange: DN 40 CF
Pressure range: 1 x 10-9 mbar - 10-2 mbar
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Leybold - DIVAC DV 1000 mbar DIAVAC DV 1000 2 variants
Connection flange: DN 40 ISO-KF
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LEYBOLD - DISPLAY ONE DISPLAY ONE Part no. 230001
Mains connection: 100 - 240V AC, 50/60Hz
Pressure range: 5 x 10-9 mbar - 2000 mbar
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DS_13648_DE.gif PENNINGVAC PR 28 - bakeable Part no. 13648
Connection flange: DN 40 CF
Pressure range: 1 x 10-9 mbar - 10-2 mbar
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LEYBOLD - DISPLAY TWO DISPLAY TWO Part no. 230024
Mains connection: 100 – 240 V AC, 50/60Hz
Pressure range: 1 x 10-9 mbar - 2000 mbar
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