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Description
Klein Tools Clamp Meter CL320 400A AC Auto Ranging Multimeter (True RMS 600V DC Microamps Temperature Capacitance NCVT HVAC Circuit Diagnostic Tool)Verify Flame Sensor Continuity And Audit Variable Climate Motors Instantly With Backlit Double Insulated Induction Tracking Loops The Klein Tools CL320 is an automatically ranging True RMS digital clamp multimeter engineered for the direct measurement of electrical current up to 400A AC and potential up to 600V AC DC. This HVAC specialized tester incorporates a 200A DC microamps circuit to evaluate structural furnace flame sensors alongside an
Verify Flame Sensor Continuity And Audit Variable Climate Motors Instantly With Backlit Double Insulated Induction Tracking Loops
The Klein Tools CL320 is an automatically ranging True RMS digital clamp multimeter engineered for the direct measurement of electrical current up to 400A AC and potential up to 600V AC/DC. This HVAC specialized tester incorporates a 200µA DC microamps circuit to evaluate structural furnace flame sensors alongside an integrated K-Type thermocouple port to execute ambient thermal profiling. Operating within a certified CAT III 600V safety envelope, the device employs a 1.6-inch jaw sensor and a high-contrast 4000-count backlit LCD screen to safely capture electrical parameters inside unlit mechanical rooms.
Best Used For:
- Flame Sensor Testing: Connecting specialized test leads to capture tiny 200µA DC microamp currents to verify heating system ionization safety.
- Climate Handler Maintenance: Clamping the 1.6-inch induction jaw over blower motor lines to track running alternate current draws under load.
- Thermal Loop Balancing: Interfacing the included K-Type thermocouple line to measure ductwork and mechanical system profiles up to 1832°F.
Key Performance & Safety Features
- True RMS Auto-Ranging: Auto-selecting TRMS metric processing filters out background harmonic noise to maintain data accuracy on non-linear loads.
- Proximity Safety Tester: Non-contact voltage sensor embedded in the clamp jaw performs rapid line verification scans before test lead placement.
- Illuminated Digital Display: High-visibility 4000-count backlit LCD screen presents clean character sets inside dim crawlspaces and utility vaults.
- Comprehensive Testing Array: Multi-mode selection tracks loop resistance to 40MΩ, capacitance to 4000µF, frequency sweeps, and diode health.
- Rugged Impact Defense: Hardened double-insulated Class 2 chassis matrix withstands raw jobsite concrete floor drop impacts from up to 6.6 feet.
What's Included
- CL320 HVAC TRMS Digital Clamp Meter
- Set of Test Leads with CAT III/CAT IV Safety Caps
- K-Type Thermocouple Probe
- Professional Padded Carrying Case
- Three AAA Alkaline Batteries
- User Instruction Manual
Technical Specifications
Pro-Tip: When diagnosing complex multi-stage heating setups, insert the right side test lead directly into the integrated back-mounted probe track; this locks the multimeter point stable to grant clear one-handed terminal board probing.
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 28 reviews
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Product Reviews
★★★★★ 1
Cotton Fluff Around a Mostly Empty Bag
Size: King (Pack of 1), Style: High Loft (6"-7")
Bought the high-loft king, thinking it would be a great (tall) side-sleeper. What I got? A very nice, completely compressible cotton outer shell wrapped around a bag a bit smaller than a standard pillow. In that bag? A tiny amount of small latex chunks, just about a third full. That’s right, some cotton fluff around a basically empty bag. Could you buy some latex yourself and add it? No, the bag is sewn shut. You could probably fill a small pillow with latex you bought elsewhere and put that in. But seriously, what did you pay Saatva for in that case?
Probably as close as I’ve seen a major/high-reputation company get towards a literal example of rip off.
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Reviewed in the United States on May 31, 2026
★★★★★ 3
Wrong item ships/decent pillow/price unjustified
Size: Standard/Queen (Pack of 1), Style: Standard Loft (4" - 5")
Sent me the wrong pillow twice in a row. It said high loft and standard loft on the packing, not sure what the problem is. I ordered standard loft both times, and both times they sent high loft. That name is very deceiving though. If what I have is high loft, the standard loft wouldn’t be much thicker than your standard flat down pillow. If you’d like any sort of neck support I’d suggest starting with the high loft and going down instead of the other way around. I am 5’ 7” 130lbs and this pillow does not lift my neck up further than neutral, which is a good thing. Shredded memory foam pillows are significantly higher or thicker if that helps.
Pillow itself grew on me. You can definitely feel that there is a different material in the center of the pillow. I ordered it as a gift and ended up keeping both pillows. The price tag on this item is absolutely outrageous. I would have never ordered it for myself. Saatva products don’t last in my experience, we got their firmest mattress and within 2 years it was sagging horribly. I am interested to see how long this pillow lasts!
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Reviewed in the United States on January 19, 2026
★★★★★ 2
Side sleeper- lost loft within 2 weeks
Size: Standard/Queen (Pack of 1), Style: High Loft (6"-7")
Side sleeper and within 2 weeks this pillow has lost its loft and has become lumpy. I have spent so much money trying to support my neck and shoulders, this unfortunately is not it. I will continue my search and return this one.
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Mixed Feelings on the Saatva Pillow - A Comprehensive Review
Size: King (Pack of 1), Style: High Loft (6"-7")
Updated Edit (June 2024) : In my quest to find the perfect pillow, I initially purchased the high loft version of this pillow, but it turned out to be a bit too high for my liking. I then decided to try the standard size, and I like it much better! The pillow can still get lumpy and requires fluffing, but opting for the standard lower loft has definitely improved my experience with it. While I still use this pillow occasionally, I generally stick with my Purple Harmony pillow more. Changing my rating to 4 stars.
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Background:
Over the past 2 years, I have embarked on a journey to find the perfect pillow, testing over ten different options, including numerous high-end brands. My latest trial was the Saatva pillow, renowned for its rave reviews.
Expectations vs. Reality:
Despite its widespread acclaim, my experience with the Saatva pillow did not meet my expectations. I opted for the higher loft variant, aligning with my general preference, yet I found it too high of a lot even as a primary side sleeper.
Material and Comfort:
The Saatva pillow, composed of both latex and down alternative, presented a lumpy texture. This inconsistency resulted in varied support depending on the position of my head. Unlike my regular down alternative pillow, the Saatva required frequent re-fluffing and adjusting throughout the night.
Comparison and Value:
Considering its price and the overwhelming number of positive reviews, my disappointment was notable. Surprisingly, a more affordable down alternative pillow from Amazon outperformed the Saatva in terms of support and comfort, despite the latter's use of higher quality fabrics and its significantly higher cost.
Final Verdict:
This pillow was one of the last in my quest to discover the "best" pillow. Sadly, it ranks in the lower ranks among the high-end, expensive pillows I've tried. I preferred the Purple Harmony pillow over the Saatva, albeit with reservations about the Purple Harmony as well.
Conclusion:
The Saatva pillow, while undoubtedly high-quality and possessing comfortable aspects, did not live up to my expectations, landing it in my pile of unused pillows. It may suit others, but for me, I only give it a 3 out of 5 stars rating.
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Reviewed in the United States on November 26, 2023
★★★★★ 5
Wonderful!
Size: Standard/Queen (Pack of 1), Style: High Loft (6"-7")
I ordered the loftier version of the pillow and I love it! I'm a side sleeper and I've been having pillow issues over the last few years where I swear every pillow is either too tall, too thin, too soft to provide support, to firm and hurts my ears, or the stuffing is too slick or something and migrates away from wherever I put my head. It's been... A time.
But this pillow has been wonderful! I've been using it for a couple weeks now and it's the perfect height for me! The latex inner chamber provides some much needed support, but the softer outer chamber gives me enough cushion to keep my ears from aching.
I will say that, while this is the perfect height for me, personally, I think that if you're someone who prefers a pretty lofty pillow, that this might not be tall enough for you. I ordered the taller version, and it feels right for me, but I've noticed in my pillow buying extravaganza that even pillows that everyone else loves that are designed for side sleepers are usually just too tall for me. So if this pillow is right for me, and you prefer a pretty lofty pillow, I really bet that this won't be tall enough in that case. It's definitely more of a medium loft, rather than a very high loft
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Reviewed in the United States on June 20, 2024
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