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HR Series sensors

HR Series cryogenic temperature sensors

HR Series sensor features

  • Full material traceability for 15 years
  • Resistance and sensitivity data available for all sensors
  • Reduce lead time
  • Gain confidence from our test protocol
  • No hidden costs—pay only for the sensors you buy

Test protocols include:

Acceptance steps
  • Full lot traceability for a minimum of 15 years
  • Independent inspection of sensor before sealing
  • Constant acceleration (20,000 gs)
  • Particle impact noise detection (PIND) test
  • X-ray (internal defects and wire clearance)
  • Burn-in (1 week)
  • Thermal cycling (repeated between 298 and 4.2 K)
  • Fine hermetic seal
  • Gross hermetic seal
  • Visual inspection to MIL standards
 Qualification tests
  • Die shear strength
  • Wire bond strength
  • Wire bond cross-section
  • External bond pad bondability
  • Independent destructive physical analysis
  • Outgassing
  • Thermal shock (100 shocks)
  • Vibration testing
  • Mechanical shock
  • Life test (up to 2,000 h)

High-reliability sensors

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The HR Series is a new line of high-reliability cryogenic temperature sensors for mission-critical applications. Starting with our proven temperature sensor technology, we have developed a family of off-the-shelf sensors that have already undergone extreme testing steps to assure you of extra reliability.

For when the best needs to be better

In situations where cryogenic temperature control or monitoring forms a critical component of a system and the cost of sensor failure far exceeds the cost of the sensor, subjecting sensors to a higher level of scrutiny becomes vital. Projects where outcomes are worth far more than the sum of their parts are prime examples of this and include:

  • Space telescopes
  • Supercolliders
  • Fusion reactors
  • Research satellites
  • Maglev locomotives

Reduce risk on critical projects

On time

Following standardized testing procedures, these sensors are built on regular production schedules and stocked for rapid delivery, resulting in lead times comparable to standard commercial sensors. Predefined testing protocol also cuts paperwork—no need to define different detailed sensor requirements for every program.

On budget

Traditionally, sensor procurement for critical programs required that additional sensors for destructive qualification tests be purchased for each lot, increasing the total cost of the project without increasing the number of sensors that are available to install. HR sensors are different. Lake Shore performs the qualification testing for each lot, with the resulting screening and qualification test report being supplied to sensor buyers at no additional cost. With HR sensors, you only pay for the sensors that you use.

 

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