Lead wires are conductive cables that connect temperature sensors like thermocouples and RTDs to measurement instruments, transmitting electrical signals for temperature monitoring.
Lead wires are specialized electrical conductors designed to connect temperature sensing elements (thermocouples or RTDs) to readout devices, transmitters, or control systems. They maintain signal integrity by matching the thermoelectric properties of the sensor or providing precise resistance characteristics for RTDs, ensuring accurate temperature measurement in industrial environments. These wires are engineered to withstand thermal, mechanical, and chemical stresses while minimizing signal degradation.
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Thermocouple extension wire is specifically alloyed to match the thermoelectric properties of the sensor, preventing measurement errors at connection points. Ordinary copper wire would create additional thermocouples at junctions, causing inaccurate readings.
Choose wires with appropriate insulation materials (like fiberglass or ceramic for temperatures above 500°C), consider thermal expansion compatibility, and verify the temperature rating exceeds your maximum operating temperature by at least 20%.
No, thermocouples require extension wires with matching thermoelectric properties, while RTDs need precision conductors with stable resistance characteristics. Using incorrect wires will cause significant measurement errors.
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