 | Too Hot to Be Measured With Thermocouples
|
 | Too Large to Be Measured Without a Very Large Number of Thermocouples
|
| | Moving Too Much for Thermocouple Lead Wire to Accept Without Breaking
|
| | At So High an Electrical Potential That Use of a Thermocouple Would Be Dangerous
|
| | So Low in Mass That The Thermocouple Itself Will Affect the Unknown Surface Temperature
|
| | Too Fragile or Wet to Accommodate Thermocouple Contact |
| | Too Active (Chemically) to Accept a Thermocouple or Its Probe |
| | In an Atmosphere That Is Hostile to a Thermocouple |
| | Inaccessible to a Thermocouple or Its Instrumentation |
| | Near Noise Producing Electric or Magnetic Fields |
