This video takes you through how to program a Lumel N21 digital panel meter.
With one set up connected up to a 24-volt dc power supply and a 4 to 20 milliamp input and connected to the computer already via the native USB mini port.
For more information on the Lumel brand of products, and to purchase online, please visit [ Ссылка ]
Make sure to check out the other videos in this series.
