ZJ-54D Metal thermocouple vacuum gauge tube

ZJ-54D Metal thermocouple vacuum gauge tube

This type of vacuum gauge adopted smaller thermal capacity nickel chromium – constantan as a heating wire and thermocouple wire with stabilizing treatment. With automatic enviroment temperature compensation and dust protection, has a simple structure, wide range, fast response, anti-pollution, anti-oxidation, small drift, long life, stable performance,reasonble  price and so on. Especially for low vacuum measurement. This type of vacuum guage can be used with the ZJ-53 glass thermocouple regulated interchangeable.

  • Description
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Description

ZJ-54D Metal thermocouple vacuum gauge tube

This type of vacuum gauge adopted smaller thermal capacity nickel chromium – constantan as a heating wire and thermocouple wire with stabilizing treatment. With automatic enviroment temperature compensation and dust protection, has a simple structure, wide range, fast response, anti-pollution, anti-oxidation, small drift, long life, stable performance,reasonble  price and so on. Especially for low vacuum measurement. This type of vacuum guage can be used with the ZJ-53 glass thermocouple regulated interchangeable.

Main technical parameters:

  1. Measurement range: 4 × 102 ~ 1 × 10-1Pa
  2. Heating current: 28 ± 1.5mA
  3. Hot wire cold resistance: 9.5 ± 1Ω (23 ± 3 ℃)
  4. Hot filament temperature: 40 ~ 150 ℃
  5. Fragmented nature: no more than ± 20%
  6. Vacuum connections form and baking temperature:

      Φ15 ± 0.1 metal                       80 ℃

      KF10 quick release flange        80 ℃

      KF16 quick release flange        80 ℃

      KF25 quick release flange        80 ℃

      KF40 quick release flange        80 ℃

      CF16  ultra flange                    450 ℃

      CF25  ultra flange                    450 ℃

      CF35  ultra flange                    450 ℃

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