The Extech Wireless Remote AC Circuit Identifier combines non-contact voltage and light detection with radio frequency transmission technology.
The Extech Wireless Remote AC Circuit Identifier enables a single user to identify mid-run wires and to find the breaker that powerrs a circuit or light fixture without having to connect directly to the wires in the cable. The meter combines non-contact voltage detection with wirelss signals to monitor and remotely report the presence of voltage on a wire.
Clamped onto a live wire, the transmitter signals the user at the breaker panel with LED and audible alerts on the receiver at up to a 100 meter range. The alerts stop when the correct circuit breaker is switched and work can be performed safely. The identifier eliminates the need for an assistant or back-and-forth trips to confirm that the correct circuit is powered down. This tool is ideal for electricians, plumbers, general contractors, kitchen and bath remodelers, and lighting installers.
|Image||Part #||Product Description||Price||Stock||Order|
|RT30||Wireless AC circuit identifier with external probe, 914MHz||
|Usually ships in 1-2 weeks|
Unique among the 29 National Estuarine Research Reserves (NERRS), Narragansett Bay National Estuarine Research Reserve (NBNERR ) is made up of four islands: Prudence, Patience, Hope and Dyer. Protecting about 4,400 acres of land and water, NBNERR is a great place to see a variety of coastal habitats. There are upland maritime forests, coastal pine barrens, sandy beaches, cobble shorelines, salt marshes and open grasslands. NBNERR also has excellent hiking, fishing, clamming and bird watching. “If you want to see us, though, you’ll need to hop on a ferry,” says Bob Stankelis , NBNERR Reserve Manager. “Or you’ll have to take a boat. We’re not that easy to get to. But to be honest, that’s one of the big things residents here like about it: its remoteness.Read More
Since the 1980s, scientists from the Vermont Department of Environmental Conservation (VT DEC) have been sampling water from acid-impaired ponds and lakes and tracking data related to acidity. The line of inquiry began in response to concerns about acid rain, but DEC scientists now find that the long-term monitoring is not only proving the efficacy of the Clean Air Act but also improving local water quality.
Guarding the environment in Vermont
Rebecca Harvey is a VT DEC scientist, and monitoring the state's waterways for acidity and other problems falls in part to her. Dr. Harvey corresponded with EM about this work.Read More
In the ongoing quest for better wastewater treatment, a team of researchers from the University of California, Riverside (UCR) have developed a technique to improve the way Advanced Oxidation Processes (AOPs) remove pollutants from wastewater dramatically. AOPs remove organic materials from water using oxidation.
These AOP reactions take place when hydrogen peroxide, a powerful oxidizing agent, decomposes, leaving hydroxyl radicals along with oxygen and water behind. This makes the processes appealing, but until now they've required both a long period of time and large amounts of both hydrogen peroxide and ferrous salt (Fe2+, a divalent iron ion). The Fe2+ acts like a catalyst, but also produces a secondary pollutant in the form of an iron-containing sludge.Read More