
Key Factors to Consider When Choosing Head Mounted RTD Sensors Manufacturers for Process Applications
Choosing a head-mounted RTD manufacturer requires more than comparing Pt100 prices or headline temperature ranges. You need to match the sensing element, connection head, thermowell, transmitter, materials, approvals, and calibration evidence to the process so the complete installed assembly delivers a dependable measurement.
Key takeaways
- Specify a Pt100 RTD meeting IEC 60751 accuracy requirements.
- Match probe length, sheath material, and thermowell to process conditions.
- Choose lead configuration and transmitter output for your control system.
- Request calibration records, test data, and documented supplier capabilities.
Define the Head-Mounted RTD Assembly and Its Role in the Process
A head-mounted RTD sensor is a resistance temperature detector whose probe terminates in an RTD sensor head fixed directly above a thermowell, process vessel, pipe, furnace, heater, exhaust line, or machine measurement point.
The head contains terminals or a head-mounted transmitter, so the assembly connects locally rather than sending the probe leads to a distant terminal box.
Use this decision sequence for process temperature measurement:
- Choose a head-mounted RTD when you need IEC 60751 resistance…




















