Thermal cutoff: Difference between revisions

Jump to navigation Jump to search
no edit summary
No edit summary
No edit summary
Line 1: Line 1:
Thermal cutoff switches are common in all Tektronix oscilloscopes  
'''Thermal cutoff switches''' are common in all Tektronix oscilloscopes  
starting in the mid-1950's.  If the chassis gets above a certain
starting in the mid-1950s.  If the chassis gets above a certain
temperature, typically about 133 Fahrenheit (56 Celsius), the switch
temperature, typically about 128-133° Fahrenheit (53-56 °C), the switch
opens.  Typically this interrupts the mains power coming into the  
opens.  Typically this interrupts the mains power coming into the  
scope and the scope will cool down.  Thermal cutoff switches used in
scope and the scope will cool down.  Thermal cutoff switches used in
Line 12: Line 12:
Certainly all of the 500-series scopes that take  
Certainly all of the 500-series scopes that take  
[[letter-series and 1-series plug-ins]] have thermal cutoff switches.
[[letter-series and 1-series plug-ins]] have thermal cutoff switches.
This also includes the [[127]], [[132]], and [[133]] powered plug-in
This also includes the [[127]], [[132]], and [[133]] powered plug-in enclosures.
enclosures.


The [[310|310A]] has an unusually high 165 Fahrenheit thermal cutoff.   
The [[310|310A]] has an unusually high 165°F (74°C) thermal cutoff.   
This is due to the fact that the 310A is a compact tube scope without  
This is due to the fact that the 310A is a compact tube scope without a fan.
a fan.




[[Category:Electromechanical components]]
[[Category:Electromechanical components]]

Navigation menu