ZJ-53 adopts the heater wire of minimum thermal capacity by stabilization as vacuum sensing element,having the function of ambient temperature self-compensating and stive protection,possessing simpl structure,fast response,antipollution,oxygen resistance,long life,steady performance,using at the low and medium vacuum measurement system of vacuum degree. Parameter of ZJ-53 Measuring range of vacuum degree:4.0×102-1×10-2(Pa) Heat current:28±1.5mA Heater cold-resistance:9.5±1.0Ω(at the room temperature) Heater temperature:40-150℃ Vacuum attended mode:φ15.5±0.5 DM-305 vacuum glass Baking temperature:80℃
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