So I'm using this code to try and control the Keithley 2450 using a 64bit win 10 pc, im running all this in jupyternotebook.

The code I'm running:

"

import numpy as np

import pandas as pd

import matplotlib.pyplot as plt

import pymeasure

from time import sleep

from scipy.stats import linregress

# you write the code you can name em

from pymeasure.instruments.keithley import Keithley2450

keith = Keithley2450("GPIB::18")

"

when I run it i get :

VisaIOError: VI_ERROR_LIBRARY_NFOUND (-1073807202): A code library required by VISA could not be located or loaded.

I've installed the drivers and Keysight connection expert. Any ideas as to how I can fix this?

Z