HR Series Sensors for Reliable Cryogenic Temperature Monitoring

上海仪舶实验室自动化 25-02-05 10:29:23

HR Series Sensors for Reliable Cryogenic Temperature Monitoring

The HR Series is a new line of high-reliability cryogenic temperature sensors for mission-critical applications.Starting with well-established temperature sensor technology, Lake Shore has created a family of off-the-shelf sensors that have completed rigorous testing procedures to assure users of increased reliability.

For When the Best Needs to Be Better

It is necessary to scrutinize sensors more closely when cryogenic temperature control or monitoring is a significant component of a system and the cost of sensor failure is significantly higherthan the cost of the sensor. Prime examples of this are projects where the results are worth more than the sum of their parts, including:

Fusion reactors

Space telescopes

Maglev locomotives

Supercolliders

Research satellites

HR Series Sensors for Reliable Cryogenic Temperature Monitoring

Image Credit: Lake Shore Cryotronics Inc.

Features of HR Series Sensors

Reduced lead time

No hidden costs: Customers only pay for the sensors that are purchased

Full material traceability for 15 years

Confidence is gained from the test protocol

Resistance and sensitivity data is available for all sensors

Reduce Risk on Critical Projects

On Time

Following standardized testing procedures, these sensors are built on regular production schedules and stocked for quick delivery, resulting in lead times equivalent to standard commercial sensors. The predefinedtesting protocol also reduces paperwork since it is unnecessaryto define different detailed sensor requirements for each program.

On Budget

In the past, sensor procurement for critical programs required that additional sensors for destructive qualification tests be purchased for each lot, raising the project’s total cost without increasing the number of sensors available for installation. HR sensors are different.

Lake Shore conducts the qualification testing for each lot, and sensor buyers receive the screening and qualification test report at no extra cost. Using HR sensors, users onlypay for the sensors they require.

Test Protocols Include:

Acceptance Steps

Full lot traceability for at least 15 years

Fine hermetic seal

Burn-in (one week)

Before sealing, the sensor will undergo an independent inspection

Constant acceleration (20000 gs)

Gross hermetic seal

Particle impact noise detection (PIND) test

Visual inspection to MIL standards

X-Ray (internal defects and wire clearance)

Thermal cycling (repeated between 298 and 4.2 K)

Qualification Tests

Wire bond cross-section

Independent destructive physical analysis

Vibration testing

Life test (up to 2,000 hours)

External bond pad bondability

Mechanical shock

Die shear strength

Outgassing

Wire bond strength

Thermal shock (100 shocks)

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