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Product Overview:
The TEC-1091 is a specialized laser diode TEC controller/power supply that is capable of precision-driving a single Peltier element. It features a true bipolar DC current source for cooling/heating, two temperature monitoring inputs (1x main, 1x auxiliary) and intelligent PID control with auto-tuning.
The TEC-1091 offers numerous communication and safety options for laser diodes. It has a PC-Software that allows configuration, control, monitoring and live diagnosis of the TEC controller via USB, RS485 and RS232 TTL. All parameters are saved to non-volatile memory. Saving can also be disabled for bus operation. For the most straightforward applications, only a power supply, Peltier elements and two temperature sensors need to be connected to the TEC-1091.
The TEC-1091 is an OEM precision TEC controller that is primarily designed to operate as a stand-alone device.
When configured as a DC power-supply, the TEC-1091 can handle current and voltage settings. In the remote-control case, temperature data may be passed on to be processed by the host.
This product can handle either Pt100, Pt1000 or NTC temperature probes. For highest precision and stability applications, a Pt100 / 4-wire input configuration is recommended. The analog measurement circuit is factory calibrated. Auxiliary temperature input allows the connection of an NTC probe that is located on the heat sink of the Peltier element. This additional data is used to compensate for parasitic thermal conduction of Peltier element. Also, it allows the control of an external heat sink cooling fan. The heating and cooling power can be optimized by proprietary thermal management routines based on power balance models (for Peltier elements and resistive heaters).
Further functionality includes smooth temperature ramping, thermal stability indication and auto gain (NTC probes).