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这只高真空规测量10~(-4)～10~(-8)托。规的特点是在阴极上装了一个点火器。冷规在-2.5KV直流高压下引燃。通常反应时间小于1分钟。线性范围在5×10~(-3)到5×10~(-8)托。并且计算了在各个压强下的最大正负偏差数值。这个数值小于百分之五十。冷阴极电离真空计(以下简称冷规),因无热灯丝,不会因系统突然漏气而烧毁;规管租电源结构简单,且规管灵敏度高。但是普遍认为,冷规在上下限的扩展上比较困难。为解决在低压强下激发和下限的延伸,以激发电离为例曾对潘宁规采取过加辅助针尖、加
This high vacuum gauge measuring 10 ~ (-4) ~ 10 ~ (-8) care. The gauge features a lighter on the cathode. Cold regulation at -2.5KV DC high pressure ignition. The reaction time is usually less than 1 minute. Linear range of 5 × 10 -3 (-3) to 5 × 10 -8 Torr. And calculate the maximum positive and negative deviation under each pressure value. This value is less than 50%. Cold cathode ionization vacuum gauge (hereinafter referred to as the cold gauge), because there is no hot filament, will not be due to sudden leakage of the system and burned; regulation of rental power supply structure is simple and regulatory sensitivity. However, it is generally accepted that cold regulation is more difficult to expand in the upper and lower limits. In order to solve the excitation at low pressure and the lower limit of the extension to the excitation ionization, for example, had taken Panning an auxiliary needle tip plus