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About Arroyo Instruments

Arroyo Instruments is a supplier of leading edge diode drivers, temperature controllers, and device fixtures for both laser and LEDs, as well as general temperature control applications. We offer both bench top and OEM power supplies in a wide range of power levels, and a wide range of heat sinks for lasers and LEDs. Our diode drivers offer high stability and low noise performance, and current ranges from 100mA to 100 Amps. Our standard supplies will work with all conventional lasers and LEDs, and we also offer high voltage configuration for diode arrays. For those looking for a microsecond pulse driver, the 4300 and 4400 Series LaserSource controllers features an optional QCW (quasi-CW) mode for microsecond range pulse testing. For temperature control, our TECSource temperature controllers feature 0.004°C stability and the models starting from 28W of TEC output power. The lower cost 5240 is a 28 Watt controller, and supports thermistor inputs. The 5300 Series, with up to 192 Watt models, adds support for IC sensors and RTD, as well as an auxiliary 12V DC power supply, which can be used to power fixture fans. The 5400 Series pushes the power even higher, with modes rated up to 960 Watts. Our bench-top instruments feature a bright VFD display, while our Pak series offers a compact, display-less enclosure for embedded or low cost applications. All instruments include a USB computer interface, and many also include RS-232.

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