Acquire Data Acquisition Software

Acquire Data Acquisition Software

Acquire is a comprehensive data acquisition package designed to operate most current and many former SIGNAL RECOVERY instruments from a personal computer. It is suitable for use with all our lock-in amplifiers, boxcar averager, and 5113 preamplifier, and operates via Ethernet, USB, RS232, or GPIB (IEEE-488) interfaces. For most users, the software eliminates the need for them to write control software, so that they can concentrate on the task of taking data. It will also prove invaluable for others who simply want to operate an instrument from a remote location or who wish to integrate their instrument with other computer controlled systems. Up to ten instruments can be controlled at the same time.

The package provides two principal modes of operation. First, in remote front panel mode virtually all of the functions of the connected instrument(s) can be controlled from the computer via a series of simple dialogs. The software is instrument sensitive and adjusts the content of these dialogs automatically to reflect the measurement capabilities and functions available in the connected unit. The data outputs to be displayed can be chosen from the range available and these are then clearly shown on-screen.

The second mode, experiment recording, allows selected instrument outputs to be recorded as a function of time, with the additional option of sweeping certain outputs (e.g. oscillator frequency, auxiliary DAC voltage, digital filter frequency, digital delay and/or digital port setting) as the experiment proceeds. When used with a lock-in amplifier, any auxiliary ADC inputs can be configured as trigger inputs, allowing data to be logged as function of external trigger events.

As data is acquired, it is displayed on screen and can be printed, as well as being saved for later use. Displayed plots can use a variety of line formats, while four curve cursors allow direct readout of measured values. However, with the very wide range of applications in which SIGNAL RECOVERY instruments can be used, it is not possible to anticipate every possible format in which the acquired data will be displayed. Hence many users take advantage of the export function to save the data to disk for display and/or further manipulation using other software.

A comprehensive help system is built in and free support is available to registered users.
  • Specifications +

    Compatible Instruments
    Acquire will operate the SIGNAL RECOVERY Models 4161A, 5105, 5113, 5210, 7124, 7225, 7265, 7270, and 7280. Up to ten instruments can be operated simultaneously.

    Instrument Connection
    The package automatically detects compatible instruments connected via Ethernet, USB, RS232 GPIB interfaces and displays a connections dialog where the instruments can be allocated meaningful names.

    Remote Front Panel
    All functions of the connected instruments(s) may be controlled remotely, with selectable on-screen display of outputs from those available. The display updates regularly, depending n speed of computer but typically at 2 - 3 Hz. The control panel can be shown in two sizes, one with tabs for the instrument controls and the second with just the output meter displays.

    Front panel operation of the connected instrument(s) is inhibited while the software is running to prevent unauthorized interference with settings.

    Define Experiment
    Users can define an experiment in which Y-axis data will be recorded as a function of an X-axis variable. The X-axis may be chosen as follows:
    • Models 5105, 5106, 9650A, 5113
    Time only - Data acquisition may only be initiated from the software.
    • Model 7310
    Time, digital filter frequency, digital output port value, and trigger events.
    • All others
    Time, oscillator frequency, oscillator amplitude, auxiliary DAC output voltage, digital
    output port value, and trigger events. Data acquisition can initiated directly from the
    software or on receipt of a trigger, and can either free-run or be on the basis of one
    point per trigger.

    The Y-axis data to be recorded is selected from the outputs provided by the instrument(s). Hence, for example, dual phase lock-ins may record X, Y, Magnitude and Phase outputs; the 7310 Noise Rejecting Voltmeter can record output voltage, maximum and minimum outputs; the 4161A cna record Channel 1 and Channel 2 voltage. Between one and eight outputs can be recorded in a given experiment.

    File Storage and Data Display
    Acquired data may be stores and recalled from disk, and displayed on user-adjustable axes. The line format used on plots can be selected, and four curve cursors allow direct readout of data point values. Data plots may be manipulated for optimum display prior to printing, and can be copied to the clipboard for subsequent pasting into other applications.

    Data can also be exported to ASCII text files suitable for import to third party software to allow further analysis.
  • Software +

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