The small chip is integrated into the junction box by the junction box manufacturer.The measured data, voltage and temperature, are sent to the String Reader together with the serial number of the module via powerline. Measurement is every 30 seconds with under 1% accuracy.
For the technical details please check the Data Sheet Sensor.
For the technical details please check the Data Sheet Sensor.
![JB-with-sensor.png](https://www.sunsniffer.de/images/imge_slide/JB-with-sensor.png)