​Cryogenic Temperature Controller

Model 372 AC Resistance Bridge/Temperature Controller

Featuresmodel372pos

  • Patented noise rejection technology*
  • Highly versatile and reliable measurement input
  • Ability to increase the number of measurement channels to a maximum of 16 with optional 3726 scanner
  • Dedicated input for ultra-low temperature control
  • Powerful impedance measurement capabilities such as quadrature measurements
  • Multiple PID controllable outputs with up to 10 W of heater power available
  • Latest generation front panel for ease of use
  • 3-year standard warranty

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Model 350 Cryogenic Temperature Controller

Features350main

  • 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 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
  • Proven, intuitive interface
  • Performance assurance even at the extremes, with verifiable product specifications
  • Full 3 years standard warranty

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Model 336 Cryogenic Temperature Controller

Features336main

  • Operates down to 300 mK with appropriate NTC RTD sensors
  • Four sensor inputs and four independent control outputs
  • Two PID control loops: 100 W and 50 W into a 50 or 25 Ω load
  • Autotuning automatically collects PID parameters
  • Automatically switch sensor inputs using zones to allow continuous measurement and control from 300 mK to 1505 K
  • Custom display setup allows you to label each sensor input
  • Ethernet, USB and IEEE-488 interfaces
  • Supports diode, RTD, and thermocouple temperature sensors
  • Sensor excitation current reversal eliminates thermal EMF errors for resistance sensors
  • ±10 V analog voltage outputs, alarms, and relays

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Model 335 Cryogenic Temperature Controller

Features335web

  • Operates down to 300 mK with appropriate NTC RTD sensors
  • Two sensor inputs
  • Two configurable PID control loops providing 50 W and 25 W or 75 W and 1 W
  • Autotuning automatically collects PID parameters
  • Automatically switch sensor inputs using zones to allow continuous measurement and control from 300 mK to 1505 K
  • Custom display set-up allows you to label each sensor input
  • USB and IEEE-488 interfaces
  • Supports diode, RTD, and thermocouple temperature sensors
  • Sensor excitation current reversal eliminates thermal EMF errors for resistance sensors
  • ±10 V analog voltage output, alarms, and relays

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Model 325 Cryogenic Temperature Controller

Features325web

  • Operates down to 1.2 K with appropriate sensors
  • Two sensor inputs
  • Supports diode, RTD, and thermocouple sensors
  • Sensor excitation current reversal eliminates thermal EMF errors for resistance sensors
  • Two autotuning control loops: 25 W and 2 W maximum
  • Control loop 2: variable DC voltage source from 0 to 10 V maximum
  • IEEE-488 and RS-232C interfaces

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