What Is An Insulated Junction?
Overview
Insulated junctions are a type of thermocouple measuring junction. An insulated junction is fully insulated from the outer protective sheath. The advantage of this is that in applications with stray EMF’s, the thermocouple would not be affected by EMF interference. The cost of insulating the junction is that response time is longer than a grounded or exposed junction.
Advantages
- Immunity to EMF interference: Because the junction is insulated, it is not affected by stray electromagnetic fields.
- Enhanced measurement reliability in electrically noisy environments.
Considerations
- Slower response time: Compared to grounded or exposed junctions, insulated junctions react more slowly to temperature changes due to the insulation layer.
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