ULTRA-STABLE TEMPERATURE CONTROLLER
This best-in-class temperature controller offers:
Excellent stability (0.0009°C) at 15 Amps up to 20 Volts to a thermoelectric or resistive heater
Intuitive touchscreen front panel – see setpoint, actual temperature, stability status all on one screen!
Extra safety – shut down your laser / QCL / active load if it goes outside user set temperature limits. Auxiliary sensor can monitor heat sink temperature.
Expanded Remote Command set – control and log data from a remote computer via USB (Test & Measurement Class) or Ethernet
Free LabVIEW VI executable for easy remote computer control
IntelliTune® optimizes PID control values to minimize time to temperature or reject external disturbances
IntelliTune® keeps adapting the PID control values as setpoint, tuning mode or sensor bias current is changed
Compatible with all sensors – thermistor, RTD, LM335, AD590.
SAFETY IS BUILT IN
Over and under temperature limits as well as positive and negative current limits can be set. If the sensor signal is lost or a short is detected at the thermoelectric, output current is disabled. If temperature limits are exceeded, a signal to the active laser load can be sent to disable its current. For example, connect the LD Shutdown BNC output to the Active Lock input on Wavelength’s QCL LAB driver and the QCL current will shut down if temperature limits are exceeded. An Auxiliary Sensor can be used to monitor the temperature of the system heatsink.
Instead of long, manual calculations to derive the optimal Proportional, Integral, and Derivative [PID] control terms for a load, press the IntelliTune icon and the instrument will automatically cycle through a characterization test to tune the control terms for best performance. Two methods of IntelliTune are available. Setpoint Response optimization will minimize the time to temperature for the load. Disturbance Rejection optimization is best when there will be significant changes to the ambient temperature or operating condition. This could be for a pulsing laser diode where the active heat load changes or a sample that is to be tested in changing ambient temperatures. For detailed exploration of IntelliTune, download Application Note AN-TC13: IntelliTune vs. Conventional Autotune.
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A QuickStart video simulates controlling temperature for a spectroscopy application using a laser with an embedded 3A thermoelectric and a 10kΩ thermistor. It takes you through all the steps necessary to control the laser temperature quickly and easily.
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