好處
可靠且經(jīng)過驗(yàn)證的測量儀頭設(shè)計(jì)
可代替大多數(shù)裸熱電離真空計(jì)頭
寬范圍的發(fā)射電流(100μA 至 10 mA)
可提供單/雙氧化釔涂層銥和雙鎢絲陰極組件
脫氣:所有型號都可以使用電子轟擊 (EB) 進(jìn)行脫氣。
BAG051、BAG052 和 BAG053 也可以使用電阻脫氣 (I2R)
新聞
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規(guī)格
類型 | BAG050 | BAG051 | BAG052 | BAG053 | BAG055 | |
---|---|---|---|---|---|---|
測量范圍 | 2.7 x 10-11 ... 1.3 x 10-3 | 5.3 x 10-10 ... 1.3 x 10-3 | 5.3 x 10-10 ... 1.3 x 10-3 | 5.3 x 10-10 ... 1.3 x 10-3 | ||
精度 - N2(典型) | % | 20 | 20 | 20 | +/-20 | +/-15 |
X 射線極限 | Torr | 2 x 10-11 | 4 x 10-10 | 4 x 10-10 | 4 x 10-10 | 5 x 10-10 |
靈敏度 - N2 | Torr | 25-1 | 10-1 | 10-1 | 10-1 | 10-1 nominal |
脫氣 | ||||||
電子轟擊 (EB) | W | ≤40 | 70 nominal, ≤100 | ≤100 | ≤100 | ≤3 |
I2R(電阻已加熱) | - | 6.3 ... 7.5 V (ac) at 10 A | 6.3 ... 7.5 V (ac) at 10 A | - | ||
烘烤溫度 | °C | 450 | 450 | 450 | 450 | 200 |
絲極 | ||||||
電流 | A | 2.5 ... 3.5 | 4 ... 6 | 4 ... 6 | 4 ... 6 | 2 ... 2.5 |
電壓 | V (dc) | 3 ... 5 | 3 ... 5 | 3 ... 5 | 3 ... 5 | 1.5 ... 2 |
電勢 | V (dc) | +30 | +30 | +30 | +30 | +30 |
柵極電位 | V (dc) | +180 | +180 | +180 | +180 | |
集電極電位 | V | 0 | 0 | 0 | 0 | 0 |
集電極 | tungsten (W), ?0.005'' | tungsten (W), ?0.010'' | tungsten (W), ?0.010'' | tungsten (W), ?0.010'' | tungsten (W), ø0.010'' | |
絲極 | dual iridium (Ir), or dual tungsten (W) | single hairpin iridium (Ir), or dual hairpin iridium (Ir), or dual tungsten (W) | single hairpin iridium (Ir) | dual hairpin tungsten (W) | dual yttria coated iridium | |
柵格 | photo etched closed grid | non-sag double helical 0.025'' tungsten (W) grid | non-sag double helical 0.025'' tungsten (W) grid | non-sag double helical 0.025'' tungsten (W) grid | etched SS | |
絕緣子 | ceramic | ceramic | glass to metal | glass to metal | glass | |
玻璃封裝 | - | - | 2 ??'' dia x 5'' long | 2 ??'' dia x 5'' long | - | |
安裝方向 | any | any | any | any | any | |
長度 | ||||||
整體 | in. | 4 ?? | 4 ?? | 6 | 6 | 2.7 ... 3.8 |
插入 | in. | 3 | 3 | - | - | - |
法蘭 | 2 ¾'' CF / NW35CF Conflat | 2 ¾'' CF / NW35CF Conflat | Kovar metal port | Kovar metal port | ¾'' tube DN16 ISO-KF DN 25 ISO-KF DN 40 ISO-KF DN 16 CF-R Mini-Conflat DN 40 CF-R Conflat 8 VCR female | |
法蘭材料 | stainless steel 304 | stainless steel 304 | glass Nonex 7720 | glass Nonex 7720 | stainless steel 304 |

數(shù)據(jù)表