- To select an ideal thermocouple first we need to understand the need of measurement application and requirement.
- Factors affecting temperature change
- Accuracy required- impact of sensor accuracy on overall measurement accuracy.
- Length of deployment
- Thermocouple material selection
- Selection of the Measuring Junction
- Durability
- Range of temperature which is to be measured.
- Determine the maximum and minimum range in which you want to measure the temperature and select the thermocouple with higher Maximum temperature range.
- Check whether the linearity of thermocouple meets the range requirement.
- Environmental Consideration
- Select the correct sheath material to resist chemical reaction.
- Perfect isolation to resist noise protection.
- Thermocouple should withstand vibration and abrasion.
- Appropriate connectors and cables to be used between thermocouple and measuring instruments.
- Appropriate measuring instrument should be used to give an accurate result.
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