---
revision: "1.1"
date: 2024-04-26
---

(js220plus)=

# Joulescope JS220+ User's Guide

![Joulescope JS220+](media/js220plus_image3.png)

**Precision Energy Analyzer with Enhanced Accuracy**

Revision 1.1, last revised 2024 Apr 26.

![Joulescope JS220+ in use](media/js220plus_image4.jpeg)

```{toctree}
:numbered:
:maxdepth: 2

introduction
specifications
trim_calibration
technology
ordering
changelog
```