The EM 2500 SP Energy Monitor is one neat power tracking device. It features (1) twice the voltage range (220 volts) of the el cheapo versions. (2.) has clamp on current sensors, so no need to disconnect wires and thread them into a toroidal core, (3.) a bright display and all the standard features of other power monitors. But better than all that, the price is very reasonable at $285. nuSun has them in stock so go to the nuSun, inc. web store and purchase one.

What are they good for? If you are planning any energy saving projects like a solar hot water heater, you best record the power that you are using before the project and compare it with the power that you will be using after your project is finished.

Here’s a picture of the little jewel. We call them Meter Readers.

This entry was posted on Saturday, September 27th, 2008 at 3:14 pm and is filed under Solar Water Heaters, Energy Saving Ideas, Power Monitors. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.