If youโre an electrician, your multimeter is like your Swiss Army knife. It handles most of what you need on the jobsite for verifying your work and troubleshooting issues. The Southwire 15190T MaintenancePRO multimeter aims to speed up the process of taking measurementsย as well asย offer the convenience of remote control, recording, and reporting.ย The meter is also quite a bit more aesthetically advanced over your typical multimeter, with aย dynamic color LED screen and a durable shock-resistant housing withย rubberized overmold.
The entire MaintenancePRO line currently consists of four tools, including the Southwireย 15190T MaintenancePRO multimeter,ย 23030T 1000A AC clamp meter,ย 23070T 1000A AC/DC clamp meter, and theย 23090T Smart 1000A clamp meter.
Of these new tools, both the Southwire 15190T MaintenancePRO Multimeter and the 23090T Smart 1000A clamp meterย utilizeย Bluetooth and the MApp to record and display data on a Smartphone or tablet. This new focus on Bluetooth connectivity has usย intrigued, and weโre takingย a more in-depth look to see how Pros may benefit.
Southwire 15190T MaintenancePRO Multimeter Features
Right out of the box you canย view multiple readings simultaneously with the Southwire 15190T MaintenancePRO multimeter. That includes Max, Min, and Average readingsโright alongside a graphical real-time graph. Itโs not just pretty, either. You can also moveย along the graph or even zoom in to get specific time-basedย data. While using the MApp smartphone app are going to yieldย better graphics, itโs important to note that you can do view, record,ย and playbackย everything right on the meter as well. In a time when app-enabled tools are becoming more popular, itโs great to see Southwire remember to keep the advanced features accessible right on the physical meter itself.
Using the recording feature is handy for checking readings over time. This can help you identify problems or max current on an AC or DC motor or even check for short-term voltage spikes or dips in a circuit when its loaded or unloaded. Theย Recording menu lets you start stop and save recordings. You can analyzeย recordings using the onscreen cursor and locateย data points you want to highlight for a client.
When you record readings you can store them by project, naming each sequence so that you can add them to a report later or show them to a client or inspector.
The Southwire MApp function lets you monitor the meter from a safe distanceย and a pop up menuย allows you to modify various functions of the meter and view peak or relativeย readings,ย change the range (sensitivity), or even monitorย maximum andย minimum measurements.
In addition to recording data, you canย take a screenshot at any time by pressing the shutter icon on the MApp application.
When you captureย data from your mobile phone, youโre able to measure and record without having to touch the actual meter. After the measurement you can add photos, GPS information, and even notes to your projects. Plus, you can send that information via email, so you can document or alert people to any necessary situations that need to be dealt with.
Southwire 15190T MaintenancePRO Multimeter Functions
The Southwire 15190T MaintenancePRO Multimeter has 12 functions and can measure the following:
- AC voltage
- DC voltage
- AC current
- DC current
- AC+DC current
- 4-20Ma
- Duty cycle
- Frequency
- Capacitance
- Continuity
- Resistance
- Temperature
Using theย Southwire 15190T Multimeter
We used theย Southwire 15190T multimeter to check some GFCI outlets in a kitchen and monitor them for power spikes and proper voltage.ย We also used the 15190T to install and verify a 240V circuit for use with a stacked washer and dryer unit we installed in a rental home. Aside from the Bluetooth monitoring features, theย Southwire Maintenance PRO multimeterย simply has a great user interface with an easy-to-read screen. We love the white-on-black LED display, and the markings and functions are very intuitive. In a world of tight quarters and gloved hands, the simple controls on the Southwire 15190T multimeter are a refreshing solution that doesnโt overcomplicate things.
Professional electricians interested inย recording and reporting data more easily will want to really take a close look at theย Southwire 15190T MaintenancePRO Multimeter. At $375 this is a serious tool and a premium over their existingย 12070T True RMS multimeter.ย Note, however,ย the 15190T has several advantages over the 12070T aside fromย Bluetooth connectivity:
- Its color screen can be viewed in broad daylight (direct sun) orย in the dark. With many otherย metersย weโve had difficulties reading them outdoors, and weโve had to activate backlight functions indoors. The 15190T just worksโanywhere.
- The Southwire 15190T multimeter has onboard memory to collectย and record data without having to pair the unit to your phoneย or tablet.ย You can always connect it later and download the data.
- The 15190T meter canย both read and record 4~20mA signals. The 4-20 mA loop isย the prevailing standardย in the industry forย transmitting process informationย viaย analog signals.ย By reading this signal, the 15190T can measure sensors, transmitters, power sources, loops, and receivers for troubleshooting. This makes the 15190T not onlyย an electric multimeter, but alsoย a humidity meter, a fluid flow meter, a pressure meterโฆor anything else that uses these signals.
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Conclusion
The real โwinโ with theย Southwire 15190T MaintenancePRO Multimeter is its juxtaposition of features and simplicity. While other manufacturers experimenting with Bluetooth and app-enabled features are overcomplicating things, Southwire is not. The 15190T multimeter remains a good multimeter whether you use the smart features or not. The software is intuitive, and you donโt have to relearn anything in order to benefit from the advanced features. Red record buttons record, and shutters take photos. Itโs easy and well thought-out.
Itโs alsoย one of theย nicest meters weโve ever laid hands on. As a premium product we can only hope the price drops a little over time which will give it an even widerย appeal. For more information, check out the Southwire website.





