The LDT-5980 120W High Power Thermoelectric Temperature Controller provides industry leading accuracy and precision for temperature control of laser diodes and other optoelectronic components. The LDT-5980 features a fully programmable digital PID control loop with autotune feature. Standard features include four-wire voltage and sensor measurements as well as an AC resistance mode to characterize TE modules during development. For automated testing the LDT-5980 features a GPIB user interface as well as input and output triggers.