Joulescope Store

Amazing dynamic range

Joulescope accurately measures electrical current over 10 orders of magnitude from amps down to nanoamps. This wide range allows accurate and precise current measurement for modern devices. Sleep modes are often just nanoamps (nA) or microamps (µA). Active modes are often milliamps (mA) or amps (A).

Low voltage drop

Most multimeters and current meters have a significant voltage drop (sometimes called burden voltage or insertion loss), which affects the actual voltage delivered to the device under test. Joulescope has a total voltage drop of 25 mV at 1 A, which keeps your target device running correctly. Joulescope's extremely fast current range switching maintains low voltage drop even under rapidly varying current demands.

Makes the invisible visible

Joulescope measures current and voltage 2 million times per second with 200kHz bandwidth. This high sampling rate makes the power consumption of interrupt service routines, inrush currents and other short events visible.

Easy to use

Joulescope reports cumulative energy and charge consumption along with real-time current, voltage, and power. The multimeter view clearly shows the most recent value while the oscilloscope view allows you to explore changes over time. Much simpler and more accurate than anything in its class!

Customizable

The Joulescope host software is open source on GitHub. You can also swap the banana jack front panel with front panels that have other connector types! The front panels are open source on GitHub .

Affordable

Joulescope is affordable and priced so that every developer on the team can have one at their desk. With such convenient access, Joulescope allows developers to see the impact of their changes on energy consumption immediately. Developers can make informed choices to account for battery life during design. Eliminate power consumption surprises during final product testing!