ZJ-51 type thermocouple vacuum gauge tube

This type of regulation adopts precious platinum wire as heating wire, nickel chromium - constantan as thermocouple wire. With the features of simple structure, reasonable price, etc. Use for low vacuum measurement.

Main technical parameters:

1.       Measurement range: 65 ~ 1 × 10^-1Pa

2.       Heating current: 90 ~ 130mA

3.       Hot wire cold resistance: 7± 17Ω (23 ± 3 ℃)

4.       Hot filament temperature: 40 ~ 150 ℃

5.       Fragmented nature: no more than ± 15%

6.       Vacuum connections form and baking temperature:

      Φ15 ± 0.5 glass                        80 ℃
      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 ℃