Fluke 393 FC: The Ultimate Tool for High-Voltage Solar Work

 

Solar power is booming worldwide, with more photovoltaic (PV) systems being installed than ever. But as these systems grow larger and more complex, so do the risks. One of the biggest dangers? Transient overvoltages—sudden voltage spikes that can damage equipment and put technicians at serious risk.

 

That’s why using the right tools, like a CAT III rated meter, is critical when working on solar PV installations.

 

 

 

What is a CAT III Rating, and Why Does It Matter?

Measurement category ratings (CAT ratings) tell you which electrical environments a tool is safe to use in. They’re defined by the International Electrotechnical Commission (IEC) to protect both technicians and their equipment from dangerous voltage transients.

 

Here’s how the different categories compare:

• CAT IV: Covers utility power sources and outdoor installations (e.g., electricity meters, main service panels).
• CAT III: For fixed installations like solar PV systems, industrial equipment, and distribution panels.
• CAT II: For household and commercial appliances, like power tools and office equipment.

 

Since solar installations are permanently wired electrical systems, they fall under Category III—not Category II, which is for standard household devices.

 

 

Why You Need a CAT III 1500 V Meter for Solar Work

Modern solar installations operate at increasingly high voltages, with 1500 V DC systems becoming the new standard. This shift brings benefits like fewer inverters, longer panel strings, and lower wiring costs, but it also increases the risk of high-energy transients.

 

A CAT III 1500 V meter ensures that:

• It can withstand extreme voltage surges (up to 10,000 V peaks in some cases).
• It has the proper insulation to protect against electric shock.
• It meets IEC safety requirements for solar array installations.

 

 

Fluke 393 FC: The Best Tool for the Job

 

When it comes to safety and reliability, the Fluke 393 FC CAT III 1500 V TRMS Clamp Meter is the only clamp meter designed specifically for 1500 V PV systems. Here’s why it stands out:

• Safely measures up to 1500 V DC – perfect for high-voltage solar arrays.
• 25% thinner jaw design – fits easily in tight spaces.
• IP54-rated – built for harsh outdoor conditions (dust, rain, and extreme temperatures).
• Fluke Connect™ – wirelessly saves and shares data to the cloud.
• Includes CAT III 1500 V insulated test leads – for added protection.

 

 

Stay Safe, Stay Accurate

Working on solar PV installations? Make sure your tools are up to the task. Using a CAT III 1500 V rated meter, like the Fluke 393 FC, keeps you safe while delivering accurate and reliable measurements.

 

Don’t take risks with your safety—choose the right tools for the job.

 

Get your Fluke 393 FC Clamp Meter today at Chomar!