Connecting to Keithley 6517A by Keithley in Python

Instrument Card

The Keithley 6517A 5 1/2 digit Electrometer / High Resistance Meter offers extreme accuracy and sensitivity specifications. It also offers a variety of features that simplify measuring high resistances and the resistivity of insulating materials. With reading rates of up to 125 readings/ second, the Keithley 6517A is also significantly faster than competitive electrometers, so it offers a quick, easy way to measure low-level curs.The half-rack-sized Keithley 6517A has a special low cur input amplifier with an input bias cur ofThe Keithley 6517A offers full autoranging over the full span of ranges on cur, resistance, voltage, and charge measurements

Device Specification: here

Manufacturer card: KEITHLEY

Keithley Instruments is a measurement and instrument company headquartered in Solon, Ohio, that develops, manufactures, markets, and sells data acquisition products, as well as complete systems for high-volume production and assembly testing.

• Headquarters: Cleveland, Ohio, United States
• Yearly Revenue (millions, USD): 110.6
• Vendor Website: here

Connect to the Keithley 6517A in Python

Read our guide for turning Python scripts into Flojoy nodes.

Flojoy

PROTOCOLS > SCPI

📄 IDN

Query a device's identity through the universal *IDN? SCPI command.

📄 MEASURE VOLTAGE

Query an instrument's measured output voltage, such as a DMM or power supply.

📄 SCPI WRITE

Write a SCPI command to a connected bench-top instrument and return the result.

PyMeasure

from pymeasure.adapters import VISAAdapter
from pymeasure.instruments.keithley import Keithley6517B

# Create a VISA adapter for the instrument
adapter = VISAAdapter("GPIB::1")

# Connect to the Keithley 6517A Power Meter
keithley = Keithley6517B(adapter)

# Enable the source output
keithley.enable_source()

# Set the source voltage range to 200 V
keithley.source_voltage_range = 200

# Set the source voltage to 20 V
keithley.source_voltage = 20

# Set up to measure resistance
keithley.measure_resistance()

# Ramp the voltage to 50 V
keithley.ramp_to_voltage(50)

# Print the measured resistance in Ohms
print(keithley.resistance)

# Ramp the voltage to 0 V and disable the output
keithley.shutdown()

# Disconnect from the instrument
keithley.disconnect()

This script connects to the Keithley 6517A Power Meter using a VISA adapter and creates an instance of the Keithley6517B class. It then enables the source output, sets the source voltage range and voltage, and configures the instrument to measure resistance. It ramps the voltage to 50 V and prints the measured resistance. Finally, it ramps the voltage to 0 V and disables the output before disconnecting from the instrument.