Lascar EL-USB-4 Current Loop USB Data Logger, 4-20 mA
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This device is not compatible with Macs. It is possible to save the data files as a. TXT, but in order to access the file, you must use software that is only compatible with Windows.
The 4/20 mA is (or should be) already present on the circuit you're attempting to read. The logger is designed to be connected in series with the 4/20 signal you'd like to track. If you use a DC voltage meter, make sure the polarity matches the logger's markings; if the positive and negative are reversed, the signal will not be read. These little loggers are fantastic. The USB section can be removed after it has been connected in the circuit in order to download the data without interrupting the signal.
Yes, the free software that comes with this logger is compatible with Windows 10.
Selected User Reviews For Lascar EL-USB-4 Current Loop USB Data Logger, 4-20 mA
This is fantastic. In addition to SCADA and paper chart recorders, they are frequently used as backup loggers at the company where I work. I've probably used hundreds of these loggers because they are simple to set up and provide reliable logging that can be saved as an Excel file. All that is required of the user is to ensure that batteries are replaced as needed and that data is extracted on a regular basis. Except for the time I dropped one on concrete, I've never seen the hardware fail. Even then, the only thing I've seen break is the plastic casing.
This is my second time operating a unit. It does an excellent job of documenting many issues in the field of process control and instrumentation. It can sample quickly for a few hours or it can be slowed down to collect data for days. The next generation of this product will be faster and have more memory, earning it five stars. For the money, this is still an excellent troubleshooting tool. That is my only real gripe. While the device is always kept in my tool bag, having to go to my notebook to "start" it up (plugs into a usb port) can be inconvenient.
During October 2018, we installed several units. The data is still being collected. It's easy to use software. Data was not collected by one of the units. The fault message stated that the voltage was low. A new battery has been installed in place of the old one. It didn't work out. Battery was replaced with one from a working unit. It didn't work out. MicroDaq has been notified. I'll buy from MicroDaq again because of the excellent response and rapport.
I made a connection between the EL- and the EL- USB- 4 to a pressure transducer with a built-in real-time clock that I used to keep track of my water pressure in real time. The sample rate and start times can be easily set with the PC-based software. The unit comes with a piece of software that is based on the unit. Setting it up is a breeze. It's simple to extract, store, and plot the sampled data. br>br>I made graphs and emailed them to the water department in my town. Water pressure was clearly below the minimum building code, according to my data. It was determined that the city pumps were not working properly, and my water pressure was restored in two days.
This is the second time I've bought a logger. I bought the first one about 5 years ago, and it's still going strong.
We wanted to keep track of how our well's analysis changed over time. These data loggers were less expensive than chart recorders and did not require a large amount of paper.
This is an outstanding item.
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