elektor
A◦nice touch: below the decimal point the
selected range is displayed.
The lighting of the display provides a good reading in a dark environment, at the same time the flashlight LED on the top lights up. That should not have been necessary for me, but you cannot operate them separately. I did not like the NCV function of the OW18E; it is quite insensitive. Sometimes you sit on top of a mains plug with the sensor and the detector does not switch on yet. So, I wouldn't trust that.

Bluetooth

In addition to the high accuracy for this price range, the Bluetooth function is the main feature of the OW18E Bluetooth Multimeter. The meter has a BLE4.0 module, which should ensure a stable connection and low energy consumption. I activated the Bluetooth function on the meter for several hours without the battery giving up. The accompanying MultimeterBLE app is available for Android and iOS users.

After installing and starting the app, turn on the Bluetooth function on the meter and it will appear in the app as "BDM." Once selected, the app will connect and the reading will appear on the display. You can operate the functions of the push buttons from the app. However, the function of the rotary switch must be done manually. The app also offers a data logger function with a number of setting options, such as the logging interval. The logged values ​​can be stored and sent in a file. You can also log the meter independently from the app, after which the Bluetooth connection can be disconnected. The measured values ​​can be retrieved later via the app. The app also offers the possibility to connect with two meters at the same time.

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It is a bit unfortunate that the app only works in landscape mode and by default shows a screen for two meters. Most users will only have one meter at their disposal. Furthermore, the app works smoothly, the connection is stable and the data is quickly transferred from the meter to the app. This wireless connection is very useful if you cannot or do not want to sit next to your meter continuously, the information in the app is no less than the information on the meter's display. This meter therefore offers a good alternative to the popular but no longer available Mooshimeter.
The logging screen
The logging screen in the accompanying app.

Great Price, Highly Accurate

For a price of less than €70, you can make an excellent purchase with the Owon OW18E Bluetooth Multimeter. For that money, you get a fairly sturdy device that not only offers a lot of measurement options, but is also surprisingly accurate. Added to this is the Bluetooth functionality that makes it possible to monitor measurements and log measurement data remotely. What more do you want for that money?