Using 121GW multimeter as a data logger

Updated on 31 August 2021
tool 121GW EEVBlog Multimeter
features multimeter data logger
This tutorial is more than 1 year old. If the steps below do not work, then please check the latest versions and the documentations of the individual tools used.

Buy the components

  1. 121GW EEVBlog Multimeter

Prototype

A photo of the actual setup.

Using 121GW multimeter as a data logger prototype

Schematic

Wire up the hardware accordingly

Using 121GW multimeter as a data logger schematic

Description

Use 121GW multimeter as a data logger with:

  • data format in *.csv
  • data storage in the SD Card
  • change data interval
  • multimeter battery life is 500 hours
  • view real-time data on iPhone app via BLE

References

  1. User Manual for 121GW Multimeter
  2. 121GW Multimeter
  3. iPhone app for 121GW multimeter

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