ZJ-51 type thermocouple vacuum gauge tube

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 ℃