Teslameters and Hall probes
 |  |  |  |  | |
| F71 | F41 | 475 | 425 | 410 | |
| Description | Multi-axis/single-axis benchtop | Single-axis benchtop | Single-axis benchtop | Single-axis benchtop | Single-axis handheld |
| Probe type | Most versatile for vector or single-axis measurements | Single-axis measurements | Single-axis measurements | Single-axis measurements | Portable 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 | 0.3 G to 20 kG |
| Frequency ranges (Hz) | DC to 50 kHz | DC to 50 kHz | DC to 20 kHz | DC to 10 kHz | DC to 10 kHz |
| Accuracy at 1 kG | 1.3 G | 1.3 G | 3.6 G | 14 G | 22 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™ | None |
| Screen | 5 in touchscreen | 5 in touchscreen | 2-line LCD | 2-line LCD | 1-line LCD |
| Connectivity | USB, Ethernet | USB, Ethernet | RS-232, GPIB | USB | None |
| Portable | — | — | — | — | ■ |
| Suggested applications | |||||
| Permanent magnet quality control | ■ | ■ | ■ | ■ | ■ |
| Magnet sorting | ■ | ■ | ■ | ■ | — |
| Electromagnet field control | Best | Best | ■ | — | — |
| AC field measurement | Best | Best | ■ | — | — |
| Scientific research/systems | ■ | ■ | — | — | — |
| Fringe field and safety | — | — | — | — | ■ |
FP Series Hall probe features
- Wide field range—suited for everything from earth-field to the world’s strongest electromagnets
- 2Dex™ sensors with tiny active area of just 0.1 mm2 for more precise measurements
- Temperature and linearity (field) compensation are built-in
- Versatile handle and stem options to suit numerous applications
- Ease of use features such as active area and polarity indicators
- Application-specific probe customization available
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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 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
Improved pricing
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 readings per s
- Computer interface sampling rates to 100 new readings per s
- Integrated electromagnet field control algorithm
- Specialized and custom probes available
- CE mark certification
400 Series Hall probe features
- Flexible probe configurations to suit your application
- Several sensor types available with different performance characteristics
- Most suited for field levels from earth field to very large electromagnets
- Application-specific probe customization available
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
Model 410 Features
- Ranges (Autoranging): ±200 G, ±2 kG, and ±20 kG ranges
- Frequency response: DC and 20 Hz to 10 kHz
- Resolution to 3½ digits (1 part out of ±2000)
- Custom liquid crystal display
- Accuracy: ±2% of reading
- Handheld