Electric resistance quartz heater operates at 1,400 F without developing excessively hot spots that can fail prematurely. Since resistance element is sealed in quartz, heater can be used in hostile environments. Sealed construction also keeps heater from contaminating heated object.
Sealed-in-quartz resistance heater
NASA Tech Briefs ; 4 , 3
1980-04-01
Sonstige
Keine Angabe
Englisch
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