K Type Thermocouples

K Type Thermocouples are widely used temperature sensors designed for temperature measurement and thermal profiling in electronics manufacturing, SMT processes and industrial heating applications.

A K-Type thermocouple is constructed using two dissimilar thermoelement materials: Chromel (Nickel-Chromium) as the positive leg and Alumel (Nickel-Aluminium) as the negative leg. When the measuring junction experiences a temperature difference, the thermocouple generates a small thermoelectric voltage that can be interpreted by compatible temperature-measuring equipment.

In electronics manufacturing, K-Type thermocouples are commonly used with thermal profilers to measure actual PCB and component temperatures during reflow soldering. Thermocouples can be attached at selected locations on an assembly to capture the thermal response of different components, solder joints and PCB areas as the board travels through the oven.

Their wide temperature capability, established standardization and compatibility with thermal profiling equipment make K-Type thermocouples suitable for both electronics manufacturing and general industrial temperature measurement.

Technical Specifications

Key Features

• Type-K thermocouple construction
• Chromel positive thermoelement
• Alumel negative thermoelement
• Wide temperature measurement capability
• Suitable for contact temperature measurement
• Compatible with Type-K thermal profiling equipment
• Suitable for PCB thermal profiling
• Can measure temperatures at multiple PCB locations
• Suitable for reflow process development
• Established standardized temperature/EMF characteristics
• Suitable for industrial temperature monitoring
• Available in different wire and insulation constructions depending on application

Applications

• Reflow Oven Thermal Profiling – Used with a thermal profiler to measure PCB temperatures as the assembly passes through a reflow oven.
• PCB Temperature Profiling – Allows temperature measurement at selected locations across a printed circuit board.
• Component Temperature Measurement – Used to measure the thermal response of selected electronic components during heating processes.
• SMT Process Development – Provides temperature data for establishing and optimizing reflow soldering profiles.
• Reflow Process Verification – Helps verify whether PCB assemblies are experiencing the intended thermal process.
• Wave Soldering Process Monitoring – Can be used for suitable temperature-measurement points in wave soldering processes.
• Thermal Profiler Accessories – Used as sensing elements with compatible Type-K thermal profiling systems.
• Industrial Ovens & Furnaces – Suitable configurations can be used for temperature monitoring in industrial heating equipment.
• Industrial Heaters – Used for contact temperature measurement and process monitoring.
• HVAC Systems – Suitable for temperature monitoring and testing applications.
• Laboratory Temperature Measurement – Used with compatible thermocouple measurement instruments for testing and experimental work.
• Electronics Manufacturing – Suitable for process engineering, troubleshooting, validation and thermal analysis.