Labfacility xe 6101 001 l60 thermocouple welder labfacility xe 6101 001 the labfacility l60 thermocouple welder is a compact simple to use instrument for welding thermocouples and other fine wiresthe l60 is primarily designed for producing commercial grade thermocouple junctions and is ideal for economic production of large numbers of exposed junction thermocouples for test and development laboratories it is also ideally suited to attaching transducer and rtd extension leadsthe thermoc