Model 350 Cryogenic Temperature Controller

Model 350 features

• Ideal for use with He-3 systems and other ultra-low temperature refrigeration platforms down to 100 mK
• Optimized performance with Cernox® RTDs
• Patented low-noise input circuitry enables super-low excitation power for minimal self-heating and high-resolution measurement
• 4 independent control loops and a broad range of I/O configurations can eliminate the need for additional instrumentation
• 4 PID-controlled outputs: 75 W warm-up heater, 1 W sample heater, and 2 auxiliary 1 W ±10 V outputs

The Model 350 ultra-low cryogenic temperature controller is designed for the demands of pumped He-3 refrigerators and other ultra-low and low-temperature platforms. The Model 350 controller, matched with Lake Shore’s industry-leading Cernox® sensors, provides a cryogenic solution that’s demonstrably best-in-class.

The patented noise reduction input circuitry of the Model 350 is ideal for ultra-low temperature (ULT) applications down to 100 mK. When combined with precision Cernox sensors, the performance-optimized design allows as little as 10 nA of excitation current to be used, minimizing self-heating effects and ensuring the best possible measurement accuracy throughout the entire temperature range.

It has 4 input channels and 4 independent control outputs that are configurable to support a broad range of I/O requirements, including the heaters and auxiliary devices typical of ULT refrigeration systems, as well as other cryogenic sensor types like ruthenium oxide and platinum RTDs. Standard computer interfaces enable remote communications, control, and coordination with other systems.

Also available: field-installable input option cards that add additional input types. The Model 3060 adds thermocouple capability. The Model 3061 adds capacitance sensor inputs. The Model 3062 adds 4 Cernox/diode inputs.

For more information, including specifications, charts, and downloadable resources, as well as models and options, visit the Model 350 page on the Lake Shore website.