F71 and F41 Teslameters


F71 Multi-axis teslameter

F41 Single-axis teslameter

Perfect for measuring magnetic fields in a wide variety of applications, the new Lake Shore Cryotronics F71 and F41 teslameters with FP Series probes offer a new level of precision, convenience, and dependability.


  • TruZero™ technology eliminates the need to re-zero probes
  • Touchscreen interface is instantly familiar to smartphone owners
  • TiltView™ display makes the instruments easy to use whether bench- or rack-mounted
  • Smaller, ultra-thin Hall sensor active areas for improved accuracy
  • Multiple probe types to suit your application
  • 3-year standard warranty
Hand holding new Lake Shore Hall probe

First Look: F41 and F71 Teslameters (7:47)


Measure confidently

TruZero™ technologyTruZero™ technology eliminates errors that plague magnetic field measurements, allowing you to take measurements with confidence
New 2Dex™ Hall sensorsNew 2Dex™ Hall sensor probes take more accurate measurements with smaller active areas and better linearity performance than previous generation sensors
Temperature and field built-inTemperature and field compensation built in to produce field readings with great accuracy over a wide range of operating conditions

Operate easily

Touchscreen displayUncluttered touchscreen using icons, gestures, and navigation techniques familiar to any smartphone user
TiltView™ displayThe TiltView™ display is comfortable to see and operate, providing an improved touchscreen experience
Quick, accurate measurementsTake accurate measurements sooner with quality low‑temperature coefficient electronics that eliminate warm-up times
Lightweight and durableLightweight and durable handheld probes for quick and convenient measurements
Swap probes quicklySwap out probes fast and hassle-free with the new unified quick-release connector with built-in calibration data

Integrate conveniently

Rack-mountable instrumentsRack-mountable, with the ability to place other similarly sized instruments next to the teslameter
Fixture-mountable probesFixture-mountable probes with machined aluminum handles and alignment features for easy attachment

Both teslameters offer modern wired and wireless connectivity choices for seamless system integration, including:

USBEthernetWi-FiGPIB (optional)

Industry standard SCPI communication library available along with LabVIEW™ and IVI drivers.

Never zero your probe again

Measure confidently

Operate easily

Integrate conveniently

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