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Description
Klein Tools Clamp Meter CL445 HVAC True RMS 600A AC Auto Ranging Digital Multimeter (Voltage DC Microamps Capacitance Temperature NCVT Circuit Diagnostics)Monitor Current and Voltage Loops Simultaneously to Diagnose Environmental System Inrush Overloads Instantly The Klein Tools CL445 is an automatically ranging True RMS digital clamp multimeter engineered for the diagnostic measurement of electrical current up to 600A AC and line potential up to 750V AC. This HVAC specialized tester utilizes a unique dual display mode to present voltage and amperage data sets simultaneously on a single backlit LCD,
Monitor Current and Voltage Loops Simultaneously to Diagnose Environmental System Inrush Overloads Instantly
The Klein Tools CL445 is an automatically ranging True RMS digital clamp multimeter engineered for the diagnostic measurement of electrical current up to 600A AC and line potential up to 750V AC. This HVAC specialized tester utilizes a unique dual-display mode to present voltage and amperage data sets simultaneously on a single backlit LCD, allowing for real-time monitoring of live system loads. Operating within a certified CAT IV 600V safety envelope, the device integrates a 600µA DC microamps circuit for testing flame sensors alongside a K-Type thermocouple interface to execute environmental climate audits inside unlit mechanical spaces.
Best Used For:
- Flame Sensor Testing: Hooking directly to furnace control lines to analyze low-current DC microamp steps down to 600µA for fast ionization safety audits.
- Motor Inrush Analysis: Capturing surge current thresholds during active HVAC compressor start-up sequences to track failing system capacitors.
- Dual-Vector Power Checks: Measuring operational voltage and active amperage simultaneously on incoming lines to evaluate structural transformer balancing.
Key Performance & Safety Features
- True RMS Auto-Ranging: Auto-selecting TRMS diagnostic logic filters out harmonic waveform anomalies to deliver precision on complex electronic profiles.
- Simultaneous Dual Display: Advanced screen framework tracks voltage drops and current parameters together to maximize troubleshooting visibility.
- Thermocouple Thermal Scans: Integrated K-Type sensor port captures precise ambient, air duct, or component surface temperature metrics from -148°F to 1832°F.
- Non-Contact Voltage Sensing: Built-in non-contact voltage tracking sensor inside the jaw tip executes quick safety line sweeps before direct lead connection.
- High-Impact ABS Casing: Ruggedized industrial composite frame protects sensitive solid-state microprocessors against shop drops up to 6.6 feet.
What's Included
- CL445 HVAC TRMS Clamp Meter
- Set of Right-Angle Input Test Leads
- Set of Push-On Alligator Clips
- K-Type Thermocouple Probes
- Three AAA Alkaline Batteries
- Professional Storage Pouch
- Instruction Manual
Technical Specifications
Pro-Tip: When troubleshooting complex variable frequency motor drives, activate the simultaneous display mode; logging real-time voltage response side-by-side with running amp draw variations isolates high-impedance thermal clipping points instantly.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Item as described
Style: PS5 Disc, Configuration: Console only
Exactly as described no issues
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Fan to prevent overheating
Style: PS5 Disc, Configuration: Console only
Nice, easy to install lights are a bit bright at night but you can turn it off
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Excellent Purchase, Highly Recommended
Style: PS5 Disc, Configuration: Console only, Style: PS5 Disc, Configuration: Console only
⭐⭐⭐⭐⭐
Excellent purchase! My PS5 arrived on time, brand new, factory sealed, and in perfect condition. Everything works flawlessly, and the packaging was great. Amazon delivered exactly as promised. Highly recommended!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Fantastic!
Style: PS5 Disc, Configuration: Console only
I had a PS4 for years and thought, "Why do I need a PS5?"
Then Death Stranding: On The Beach was released.
Great games on this console!
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Reviewed in the United States on June 6, 2026
★★★★★ 5
If you're here, just get it, especially the disc version. You will not regret it.
Style: PS5 Disc, Configuration: Console only
This PlayStation 5 console is objectively one of the best purchases I have ever made. As we get older, we forget to keep having fun and experiencing life and everything that it has to offer. Coming from a Wii, the transition has been nothing short of astounding. The speed and responsiveness are unbelievable; it's like stepping into a whole new world of gaming and entertainment. Pairing streaming apps is an effortless process, and the visual quality of movies and TV shows has been elevated to a whole new level of stunning clarity. The ethernet port provides a rock-solid connection, eliminating any lag or interruptions, which is a huge plus for online gaming.
The numerous USB ports offer so much flexibility, allowing me to connect my noise-canceling headphones directly to the system, which is incredibly convenient. However, be warned, while it advertises 1TB of storage, you're realistically looking at around 830GB. Modern games are surprisingly data-hungry, and I already feel the pinch, with only about 100-150GB remaining. I would highly recommend opting for the 2TB model from the get-though, as the 1TB will fill up quickly. Games like Ratchet & Clank and Sackboy are incredibly fun and engaging, and I'm excited to dive into the Kingdom Hearts series soon.
Call of Duty: Black Ops 6 has been a blast in both multiplayer and the zombie modes, showcasing the console's power and performance. Also, seriously consider the disc version. I initially thought 4K was 4K, no matter the source, but I was completely wrong. The difference between streaming 4K and watching a 4K disc is night and day; the picture is crisp, the sound is rich, and the overall viewing experience is simply immersive. Apparently, streaming 4K is compressed, which I had no idea about.
For movie and TV enthusiasts, this is an investment that pays off handsomely. Imagine experiencing iconic films like "The Dark Knight," "Interstellar," or "Inception" with this level of visual and audio quality. Even shows like "Arcane" and the Spider-Verse movies would look absolutely breathtaking. I now understand why physical media still has a place, especially for my favorite movies and TV shows that I'll rewatch countless times. The ability to watch these titles in pristine 4K, regardless of internet connectivity, is a huge bonus, especially for families.
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Reviewed in the United States on April 2, 2026