High-precision field measurement
Pricing : 22'000 CHF
Main Unit, with software and LabVIEW® driver
Note: any version of NI-VISA compatible with LabVIEW 2015 should work; see:
PT2026 systems delivered before 15.08.2016 require an older version of the Firmware Upgrader that does not function on virtual machines:
July 2017; updated December 2018
where "X" represents irrelevant letters and digits.
At this point, you should be ready to go!
July 2017, updated November 2018
Nuclear Magnetic Resonance (NMR) is the most precise technology to measure magnetic fields, and the PT2026 is the most precise NMR magnetometer on the market: in optimal conditions, it achieves a precision of under ten parts per billion!
But precision is just one of the improvements brought by the PT2026: high fields, inhomogeneous fields, measurement speed, search time – the list goes on. The key is an all-new instrument design, using modern RF and computer technology. And the result is an NMR magnetometer that opens up a host of new application areas.
The PT2026’s astounding precision is partly due to a pulsed-wave (PW) NMR detector and partly to advanced signal processing. It allows measuring minute effects such as the decay of the current in a superconducting magnet.
The PT2026 is also unmatched in its ability to measure extremely strong fields: over 10 Tesla using robust proton probes, and over 20 Tesla using deuterium probes. Future probes will extend that range to 23 T for proton probes, and deuterium probes can theoretically reach a whopping 153 T.
Another important physical limitation of the NMR technique is diminished performance in inhomogeneous fields. The PT2026 also pushes back this boundary, providing roughly 2x better performance than its predecessor, the PT2025.
NMR is also known as a slow technique. The PT2026 allows measurement accuracy to be traded off against measurement speed, and allows measurement rates of up to 33 Hz, instead of the PT2025’s rather stately 1 Hz.
In addition to pushing back physical limits, the PT2026 also makes NMR magnetometers easier to use. For example, the field ranges of the probes can be customized, and a single standard probe now covers the two most common field strengths in MRI, 1.5 and 3.0 T.
Another example is the dramatically shortened search time: using a built-in 3-axis Hall sensor, this annoying dead time before measurements can start is reduced from typically ten seconds to under a second.
Yet another example is the new “remote” probe design, featuring a small measurement head connected to the probe electronics by a coaxial cable. This allows access to gaps down to 6.5 mm, and is ideal for high-radiation environments. It also paves the way for cryo-compatible probes.
Finally, borrowing a page from its predecessor PT2025, you can monitor the NMR signal on an oscilloscope, providing you with low-level, real-time information of what the instrument is doing.
The PT2026 provides USB and Ethernet interfaces, and supports the industry-standard USBTMC/USB488 and VXI-11 protocols.
The included software provides a powerful user interface, right out of the box. Or you can write a custom application, using National Instruments LabVIEW®and the included driver. For other programming languages, you can send industry-standard SCPI commands (Standard Commands for Programmable Instruments), using any standard VISA library.
You can use the PT2026’s trigger-in capability if you need to trigger a magnetic-field measurement at a precise moment in time. Alternatively, trigger-out allows you to trigger another instrument when the field reaches a given value.
And if you have a high-precision 10 MHz reference clock in your laboratory, you can plug it directly into the PT2026, thus overriding the internal time base. This also obviates the need for periodic calibration.
(1) MagVector MV2 is uncalibrated.
(2) FDI2056 field range depends on coil area.
(3) MagVector MV2 range can optionally be set to 30 T (uncalibrated).
(4) Portability of MagVector MV2 depends on integrator's design.
(5) A < 10'000 CHF B 10'000 CHF - 30'000 CHF C > 30'000 CHF
(prices are indicative)
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Compact but powerful USB instruments.