Using multimeter as a data logger with 121GW

multimeter data logger 121GW eevblog

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

Prototype

A photo of the actual setup.

Using multimeter as a data logger with 121GW prototype

Schematic

Wire up the hardware accordingly

Using multimeter as a data logger with 121GW schematic

References

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