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Description
Klein Tools Digital Multimeter MM460S 600V Smart Volt Meter TRMS Auto Ranging Reverse Contrast Display Temperature Capacitance Industrial DiagnosisAutomate Electrical Testing And Troubleshoot Complex HVAC Controls Instantly With True Root Mean Square Intelligence The Klein Tools MM460S is a portable smart digital multimeter engineered for automated electrical system testing and diagnostic troubleshooting up to 600V. Utilizing advanced Smart Mode logic, this meter detects and transitions between voltage, continuity, and resistance readings without manual dial manipulation. The integrated True
Automate Electrical Testing And Troubleshoot Complex HVAC Controls Instantly With True Root Mean Square Intelligence
The Klein Tools MM460S is a portable smart digital multimeter engineered for automated electrical system testing and diagnostic troubleshooting up to 600V. Utilizing advanced Smart Mode logic, this meter detects and transitions between voltage, continuity, and resistance readings without manual dial manipulation. The integrated True Root Mean Square (TRMS) technology maintains calculation accuracy on non-linear AC loads, while the high-visibility reverse contrast display ensures immediate data tracking inside dark panel enclosures.
Best Used For:
- Commercial Panel Diagnostics: Checking branch circuits, commercial distribution components, and industrial control systems for voltage imbalances or overloaded pathways.
- HVAC System Auditing: Measuring capacitance on motor start capacitors and tracking system control loops via the integrated thermocouple temperature link.
- Residential Wire Mapping: Running high-speed continuity checks and verifying line routing safety parameters across household framing layouts.
Key Performance & Safety Features
- Smart Mode Intelligence: Automatically transitions between monitoring options to streamline diagnostics and prevent configuration errors.
- TRMS Measuring Precision: True Root Mean Square calculating logic yields precise data readouts when testing modern non-linear electrical systems.
- Reverse Contrast Display: High-visibility screen paired with automatic optical backlighting maximizes layout legibility in dark mechanical vaults.
- Broad Dynamic Range: Measures electrical properties up to 600V AC/DC, current capacity up to 10A, and structural resistance up to 50MΩ.
- Industrial Shock Defenses: Double-molded polycarbonate and ABS shell body passes a certified 6.5-foot structural concrete drop test.
- CAT III Safety Rating: Certified to industry CAT III 600V safety specifications for safe, secure operations near commercial branch infrastructure.
What's Included
- MM460S Smart Digital Multimeter
- Set of Professional Test Leads with Safety Caps
- Thermocouple for Temperature Measurements
- Premium Carrying Case
- 3 AAA Alkaline Batteries
- Instruction Manual
Technical Specifications
Pro-Tip: When diagnosing capacitors on HVAC machinery, ensure the capacitor is fully discharged before attaching the tester leads; this preserves the internal protection fuses and guarantees an accurate microfarad tracking loop.
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
4.4 ★★★★★
Based on 2480 reviews
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Product Reviews
★★★★★ 5
Super impressed by this!
Love this sunscreen and will be reordering it. It’s sheer, light, invisible, gives me the protection I need for my middle aged skin and I can swear my complexion has gotten better since I started using it. I’m super impressed how it’s comparable to more expensive brands in quality without the high price tag. It’s made me start looking into other skin products I can purchase from the Amazon brand.
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Reviewed in the United States on February 3, 2026
★★★★★ 5
How is this SO good?
I'm a sunscreen enthusiast. I wear sunscreen every day, and I know how hard it is to find one that is actually pleasant to use.
It goes on like a white paste but it quickly blends in to the skin and becomes invisible. There is NO white cast after you rub it in. The initial white color makes it really easy to see where you have applied it.
The lotion is very moisturizing but it's also fairly lightweight feeling, and isn't greasy. My skin is usually on the dry side.
The smell is nice and neutral, some people might say that it has a bit of a "sunscreen" smell. But the smell is pretty faint and it doesn't linger. I find it to be pleasant, personally.
Additionally, I have used this in the water and I find it to offer excellent water resistance even though it doesn't form a heavy-feeling layer on the skin. This is particularly impressive to me. This sunscreen will definitely be a go-to for beach days. It's great for face and body!
The one caveat is that it tastes terrible if you get it in your mouth. So I definitely do not recommend eating it, lol. You might have this issue if you're particularly sweaty and the sweat drips down your face. In my experience many sunscreens do this, so I don't consider it to be a big deal.
I'd recommend this for anyone looking for cost-effective and lightweight sun protection. It's great on face and body.
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Reviewed in the United States on July 19, 2021
★★★★★ 5
Good product
It’s very comparable to the Neutrogena version. Its light on my face, does not leave a white cast, and doesn’t break me out. The price point is excellent compared to the name brand one. I go walking almost everyday and live in a sunny and hot area where the climate is hot all year round. I haven’t gotten burnt since wearing this sunscreen. Definitely recommend
*UPDATE*
This sunscreen gave me acne. I rarely breakout and I now have five pimples on my face. I do not recommend!!!
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Reviewed in the United States on November 14, 2024
★★★★★ 3
Burns My Eyes
If your eyes have a sensitivity to sunscreen, they may have a sensitivity to this one. This product made my eyes burn for two days, with multiple washings. I have had problems with La Roche Posay sunscreen — if that is a helpful association.
It has dimethicone —a silicone— in it (which might be the irritant). Its common in beauty products but some people avoid it for various reasons.
If you have no sensitivities and don’t mind the silicone, then it could be an acceptable option for the value. It went on smooth and light, left no cast, and had a very mild scent.
I will use it on my limbs, but I can’t use this on my face.
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Reviewed in the United States on September 15, 2023
★★★★★ 5
WORKS! LIGHT! EASY TO APPLY AND USE!
Took and trip and knew I would be out in the sun. I know this is for the face, but I used on my arms, legs and face. It is light and easy to apply. Not sticky and heavy as some sunblocks can be. I am very pleased with this purchase/find, as it works well and was a fabulous price for this tube.
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Reviewed in the United States on July 15, 2025