In this video, Lake Shore summarizes the capabilities of the MeasureReady™ M81-SSM synchronous source measure system, which provides ultra-low noise DC and AC source and measure performance.

The M81-SSM has been designed to simplify the complexity often experienced with typical multiple function-specific instrumentation set-ups. It combines the convenience of DC and AC sourcing with DC and AC measurement – including both voltage and current lock-in measurement capabilities – for a wide range of low-level device characterization applications. It also enables switching between AC, DC and lock-in measurements at the press of a button, without having to change any cables or instruments.

Unique MeasureSync™ signal synchronization technology

An extremely low-noise simultaneous source and measure system, the M81-SSM’s MeasureSync™ technology ensures inherently synchronized measurements from 1-3 source channels and 1-3 measure channels per each half-rack instrument.

Amplitude and frequency signals are transmitted to and from the remote amplifier modules using a proprietary real-time analogue method that minimizes noise and ground errors while ensuring tight time and phase synchronization between all modules. Because the M81-SSM sources and measures channels synchronously, multiple devices can be tested under identical conditions so that time-correlated data can be easily obtained.

Connect up to three source modules and up to three measure modules at once

The M81-SSM system provides DC to 100 kHz precision electrical source and measure capabilities with 375 kHz (2.67 μs) source/measure digitization rates across up to 3 source and 3 measurement front-end modules.

There is a choice of differential voltage measure (VM-10) and balanced current source (BCS-10) modules, and single-ended current measure (CM-10) and voltage source (VS-10) modules. All modules use 100% linear amplifiers and are powered by highly isolated linear power supplies for the lowest possible voltage/current noise performance, which LakeShore says rival the most sensitive lock-in amplifiers and research lab-grade source and measure instruments. Embedded calibration data on the modules enables flexible measurement reconfiguration between experimental set-ups.

On the VS-10 module, dual AC and DC range sourcing allows for precise full control of DC and AC amplitude signals with a single module and sample/device connection. On the VM-10 module, seamless range-change measuring significantly reduces or eliminates the typical range change-induced measurement offsets/discontinuities in signal sweeping applications that require numerous range changes.

For further details, visit the M81-SSM webpage at www.lakeshore.com/M81.

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• Source: https://physicsworld.com/a/lake-shore-introduces-the-measureready-system-for-material-and-device-research/