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:
- Measurement range: 65 ~ 1 × 10-1Pa
- Heating current: 90 ~ 130mA
- Hot wire cold resistance: 7± 17Ω (23 ± 3 ℃)
- Hot filament temperature: 40 ~ 150 ℃
- Fragmented nature: no more than ± 15%
- 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 ℃
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