Internet enabled AND power switching! With all the capabilities of the .Net, the Smart Circuit 20 is specifically designed for permanent hard-wired applications for 100v - 250v, 20 amp, 50/60 Hz circuits. It is ideal for sub-metering, remote monitoring, and automatically reducing electricity consumption. A built-in web server allows data to be accessed via the internet. Simply connect the Smart Circuit to the public internet (via home or office network) and the Smart Circuit will automatically output live data (see below for operation on private networks). Smart Circuits can send data as fast as every second (fees apply for certain speeds when accessing data from our website - see membership level information). Create a free account at www.wattsupmeters.com to access the data from your Smart Circuit. You'll be able to see the live data in table format or graphical. The data can also be downloaded as a csv file. Connect a wireless adapter (for example the Dlink DWL-G730AP or the TrendNet TEW430APB, both configured in client mode) into the Smart Circuit's ethernet port, and the Smart Circuit can be used wirelessly. It is recommended that an electrician install the Smart Circuit. It is very similar to installing a wall switch or outlet.

Smart Circuit 20 provides active energy savings. With an internal switching relay, the Smart Circuit can turn off power to the end load based on user configurable rules. Rules can be based on single or multiple Smart Circuits. These rules and their associated application include:

Reduce Costs

Reduce Peak Charges

Lower Consumption

Manual on/off

Smart Circuit's are installed similarly to 'circuit breakers', but don't involve the safety aspect. In other words, Smart Circuit controllers will typically be installed in a panel enclosure box, similar to the enclosure that houses circuit breakers (the "ears" snap off in this case and din rail is used). Or, a Smart Circuit can be installed in a double gang box (blue plastic box available at Home Depot and Lowe's) and wired to an existing outlet to control specific loads, such as a window air conditioner. Regular switch covers can be attached to the "ears". Smart Circuits are ideal for lighting circuits, outlet circuits with lots of vampire or leaker loads, large hard-wired appliances such as electric hot water heaters, washer/dryers, HVAC systems, pumps, blowers, and refrigerator/freezers. Smart Circuits are also ideal for home automation projects where it is important to remotely turn things on or off.

When using a Smart Circuit on a private network, be aware that the Smart Circuit sends and receives data over port 80 but it can't output web pages. It is possible to assign the meter a static IP address, but it is not possible to enter that address into a web browser and communicate directly with the Smart Circuit as many routers and modems do for configuration purposes. The data packet the Smart Circuit sends is a raw data string and needs to be parsed and formatted. The API specifies the format. Therefore, a web server application is typically used to collect the data and subsequently format the information.

Specifications:

100-250v, 50/60Hz, 20 amps

+/- 1.5%, + 3 counts of the displayed value

Ethernet connection includes communication via TCP/IP, and http

Power switching rated at 100,000 cycles and is normally on

USB and ethernet interface

Input and output is via wire terminal block

Must be mounted inside an enclosure

Dimensions: 3" x 2" x 2"

Weight: .5 lbs (0.25 kg)

Measures and records 18 parameters:

Current Watts

Minimum Watts

Maximum Watts

Power Factor

Volt Amp (apparent PWR)

Cumulative Watt Hours

Average Monthly Kwh

Elapsed Time

Duty Cycle

Frequency (Hz)

Cumulative Cost

Average Monthly $

Line Voltage

Minimum Volts

Maximum Volts

Current Amps

Minimum Amps

Maximum Amps