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Fluke has introduced its 283 FC Solar Digital Multimeter and a283 FC True-RMS Wireless Clamp, geared towards solar professionals working in high voltage environments such as testing individual panels, strings or inverters in a PV array.

The multimeter is designed to enhance safety while providing technicians with reliable and repeatable results. Features include video and audio polarity indicators, as well as a user-defined limit gauge.

“Our digital multimeters are renowned for their exceptional accuracy, durability and safety features, making them the preferred choice of professionals across various industries for reliable and precise measurement,” says Jason Waxman, president of Fluke Corporation.

“The Fluke 283 FC is uniquely positioned to cater to this market with both CAT III 1500 and CAT IV 1000 ratings prioritizing features that increase efficiency, safety and reliability. It’s a powerful all-in-one tool for solar professionals.”

The company’s wireless current clamp measures both AC and DC current up to 60 A, which is meant to ensure precise readings for installations, electrical systems and industrial equipment. The company says the non-contact design allows for safe connections without touching live wires.

With the Fluke 283 FC digital multimeter and a283 FC wireless current clamp, the company adds that technicians can measure voltage and current simultaneously and automatically calculate VA power.

The post Fluke Designs Tools For High-Voltage Solar Environments appeared first on Solar Industry.

Fluke Designs Tools For High-Voltage Solar Environments

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Renewable Energy

Homeschooling

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Decent and intelligent people respect the rights of parents to homeschool their children, but there are two reasons for concern: a) socialization, failure to expose children to their peers, so that they may make friends and come to understand the norms of society, and b) the quality of the education itself.

Almost all homeschooling in the United States is conducted on the basis of a radical rightwing viewpoint, normally a blend of evangelical Christianity and Trumpism.

Homeschooling

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Renewable Energy

The Positive Effects We’ve Had on Others Are Profound, Whether We Know It or Not

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There’s a theory that most people underestimate the positive effects they’ve had on other people.

Yes, that’s the theme of “It’s a Wonderful Life,” but it’s also the core of the 1995 film “Mr. Holland’s Opus,” in which a music teacher who deemed that his life had been a failure because he never completed writing a great symphony, is gently and beautifully corrected. Please see below.

The Positive Effects We’ve Had on Others Are Profound, Whether We Know It or Not

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Renewable Energy

Renewable Energy Concepts Can’t Violate the Laws of Physics

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In the early days of 2GreenEnergy, my people and I were vigorously engaged in finding solid ideas in cleantech that needed funding in order to move forward.

I vividly remember a conversation with a guy in Maryland who was trying to explain the (ostensible) breakthrough that he and his team had made in hydrokinetics. When I was having trouble visualizing what we was talking about, he asked me to “think of it as a river in a box.”

“Oh!” I exclaimed. “You mean you take a box full of standing water, add energy to it get it moving, then extract that energy, leaving you with more energy that you added to it.”

“Exactly.”

I politely explained that the laws of physics, specifically the first and second laws of thermodynamics, make this impossible.

He wasn’t through, however, and insisted that, in his office, his people had constructed a “working model.”

Here’s where my tone descended into something less than 100% polite. I told him that he may think he has a working model, but he’s wrong; if he believes this, he’s ignorant; if he doesn’t, but is conducting this conversation anyway, he’s a fraud.

“But don’t you want to come see it?” he implored.

“No. Not only would not fly across the country to see whatever it is you claim to have built, I wouldn’t walk across the street to a “working model” of something that is theoretically impossible.”

I tell this story because the claim made at the upper left is essentially identical.  You’re pumping water up out of a stream, and then claiming to extract more energy when the water flows back into the stream.

Of course, social media today is rife with complete crap like this.  We’ve devolved to a point where defrauding money out of idiots is rapidly replacing baseball as our national pastime.

Renewable Energy Concepts Can’t Violate the Laws of Physics

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