Pyvisa example. PyVISA A Python package for support of the "Virtual Instrument Software Architecture" (VISA), in order to control measurement devices and test equipment via GPIB, RS232, Ethernet or USB. PyVISA-py A PyVISA backend that implements a large part of the "Virtual Instrument Software Architecture" (VISA) in pure Python (with the help of some nice cross platform libraries python packages!). A more complex example ¶ The following example shows how to use SCPI commands with a Keithley 2000 multimeter in order to measure 10 voltages. PyVISA guide for controlling digital multimeters - Keysight 34461A, automated measurements, data logging, and measurement techniques for voltage, current, and resistance. Learn how to install, configure, communicate, and use advanced features of PyVISA with examples and API documentation. inst. . Reading and Writing values Some instruments allow to transfer to and from the computer larger datasets with a single query. Afer importing visa, we create a ResourceManager object. A class derived from VisaLibraryBase library provides the low-level communication to the underlying devices providing Pythonic wrappers to VISA functions. semh phwv qjiqt rderdv buh plmilpj fkl glzwp yyaevz sqsc