Gaussmeters/teslameters
 |  |  |  | |
| F71 | F41 | 475 | 425 | |
| Description | Multi-axis/single-axis benchtop | Single-axis benchtop | Single-axis benchtop | Single-axis benchtop |
| Probe type | Most versatile for vector or single-axis measurements | Single-axis measurements | Single-axis measurements | Single-axis measurements |
| Field ranges (G) | 1 mG to 350 kG | 1 mG to 350 kG | 1 mG to 350 kG | 1 mG to 350 kG |
| Frequency ranges (Hz) | DC to 50 kHz | DC to 50 kHz | DC to 20 kHz | DC to 10 kHz |
| Accuracy at 1 kG | 1.5 G | 1.5 G | 4.9 G | 9.2 G |
| TruZero™ | ■ | ■ | — | — |
| AC filtering | Advanced | Advanced | Advanced | Basic |
| Field control | Option | Option | ■ | — |
| Alarm thresholds | ■ | ■ | ■ | ■ |
| Pulse management | ■ | ■ | ■ | — |
| Analog out | ■ | ■ | ■ | ■ |
| Drivers | LabVIEW™, IVI.NET, Python | LabVIEW™, IVI.NET, Python | LabVIEW™ | LabVIEW™ |
| Screen | 5 in touchscreen | 5 in touchscreen | 2-line LCD | 2-line LCD |
| Connectivity | USB, Ethernet | USB, Ethernet | RS-232, GPIB | USB |
| Portable | — | — | — | — |
| Suggested applications | ||||
| Permanent magnet quality control | ■ | ■ | ■ | ■ |
| Magnet sorting | ■ | ■ | ■ | ■ |
| Electromagnet field control | Best | Best | ■ | — |
| AC field measurement | Best | Best | ■ | — |
| Scientific research/systems | ■ | ■ | — | — |
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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.
F71/F41 teslameter features
- TruZero™ technology eliminates the need to re-zero probes
- Superior measurement performance for many scenarios
- TiltView™ touchscreen display for operating simplicity
- Highly configurable probes to suit your application
- Multiple software driver options to ease integration
- 3-year standard warranty
Model 475 features
- Full-scale ranges from 35 mG to 350 kG
- DC measurement resolution to 0.02 mG
- Basic DC accuracy of ±0.05%
- DC to 50 kHz frequency range (probe-dependent)
- 15 band-pass and 3 low-pass AC filters
- Peak capture to 20 µs pulse widths
- Data buffer sampling rates to 1000 rdg/s
- Computer interface sampling rates to 100 new rdg/s
- Integrated electromagnet field control algorithm
- Specialized and custom probes available
- CE mark certification
Model 425 features
- Field ranges from 350 mG to 350 kG
- DC measurement resolution to 4¾ digits (1 part of ±35,000)
- Basic DC accuracy of ±0.20%
- DC to 10 kHz AC frequency
- USB interface
- Large liquid crystal display
- Sort function (displays pass/fail message)
- Alarm with relay
- Standard and custom probes available
- CE mark certification