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Description
GOYOJO Paint Coating Thickness Gauge MeterCoating Thickness Meter DT 156 156H Dual Technology Features Automatic Selection of Magnetic Induction or Eddy Current Measurement Techniques Non magnetic coatings (e. g. paint, zinc) on steel Insulating coatings (e. g. paint) on no ferrous metals No ferrous metals coatings on insulating substrates Menu operation system Two working modes: DIRECT and GROUP mode One point calibration, two points calibration and basic calibration easily Delete single
Coating Thickness Meter DT-156/156H
Dual Technology Features Automatic Selection of Magnetic Induction or Eddy Current Measurement Techniques
Non-magnetic coatings (e.g. paint, zinc) on steel
Insulating coatings (e.g. paint) on no-ferrous metals
No-ferrous metals coatings on insulating substrates
Menu operation system
Two working modes: DIRECT and GROUP mode
One point calibration, two points calibration and basic calibration easily
Delete single readings and all group readings easily
Low battery, error indication
| Features | DT-156 | DT-156H |
| Non-magnetic coatings (e.g. paint, zinc) on steel | * | * |
| Insulating coatings (e.g. paint) on no-ferrous metals | * | * |
| No-ferrous metals coatings on insulating substrates | * | * |
| Menu operation system | * | * |
| Two measuring modes: CONTINUE and SINGLE mode | * | |
| Two working modes: DIRECT and GROUP mode | * | * |
| Statistic Display: AVG, MAX, MIN, NO., S.DEV | * | |
| One point calibration, two points calibration and basic calibration easily | * | * |
| Memory for 400 readings (80 DIRECT and 320 GROUP readings) | * | |
| Memory for 1500 readings ( 30 GROUP readings) | * | |
| Delete single readings and all group readings easily | * | * |
| High alarm and Low alarm for all working modes | * | |
| Low battery, error indication | * | * |
| USB interface for PC software | * | * |
| 4 levels of battery indication | * | |
| Error indication | * | |
| Easily adapt to lighting conditions with 8 levels of backlight | * |
Size (H x W x D): 113.5mm x 54mm x 27mm
Weight: 110g
| Specifications | DT-156 | DT-156H | ||
| Sensor probe | F | N | F | N |
| Working principle | magnetic induction | Eddy current principle | magnetic induction | Eddy current principle |
| Measuring range | 0~1250um | 0~1250um | 0~1350um | 0~1350um |
| Guaranteed tolerance (of reading) | (+/- 3%+1)um | (+/- 3%+1.5)um | (+/- 2.5%+2)um | (+/- 2.5%+2)um |
| Repeatability | (+/- 1%+1)um | (+/- 1%+1)um | (+/- 1%+1)um | (+/- 1%+1)um |
| Low range Precision | 0.1um | 0.1um | 0.1um | 0.1um |
| Minimum curvature radius | 1.5mm | 3mm | 1.5mm | 3mm |
| Diameter of Minimum area | 7mm | 5mm | 7mm | 5mm |
| Basic critical thickness | 0.5mm | 0.3mm | 0.5mm | 0.3mm |
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
4.5 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Simply put, it’s a miracle product
Style: Restore & Protect, Size: 5 QT, Configuration: 5W-30
There’s a reason this product won the best consumer product of the year, 40,000 customers voted on this product as the most innovative product of the year for car care. Personally it has stopped my 185,000 mile, 16 year old Subaru EJ253 engine from consuming/burning oil in just 2 3,000 mile interval oil changes. I was previously burning about a quart of oil every 1,000 miles before using the Valvoline restore and protect and it has already done its job and then some. Not only have I stopped consuming oil, I’ve seen roughly a +3mpg increase compared to the times I’ve used and tracked MPG while using Shell Rotella T6 and Pennzoil Ultra Platinum; it doesn’t end there either as I regularly check my engine oil dipstick out of habit because the car used to burn oil and I had to stay on top of the oil level. Upon checking my oil level at 1,000 miles into the second oil change I was shocked to see how clean the Valvoline oil was on the sides of the dipstick, using other oils and checking them at that interval has always had my oil looking quite black and dirty just 1000 miles after a change, this was not the case with the restore and protect; it came out at 1000 miles looking very clean, translucent and not discolored. I can’t recommend this product enough, especially at the price point compared to competitors; I will always have a jug of this stuff in the garage.
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Incredible motor oil !
Style: Restore & Protect, Size: 5 QT, Configuration: 5W-30
I've used this in my 2014 Buick Encore with 91k miles on it for 2 oil changes and the results are extremely impressive. The engine in the 'ole gal is noticably quieter and my gas milage is definately improving. I switched from Mobil 1 to this oil based primarily on reviews and I'm glad I made the switch. This vehicle is not only my commuter car (80 miles per day), but it's my "winter" vehicle so it sees some temperature extremes. This oil is remarkable ! Time will tell, but I definately recommend it.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Good! I would buy this again if needed.
Style: Restore & Protect, Size: 5 QT, Configuration: 5W-30
Good! I would buy this again if needed. The best oil to use in a KIA, IMO. Keeps it clean and might help prevent oil burning. Your KIA needs the best oil you can feed it. They are known for failing engines so why not give it the best, especially if its out of warranty like mine!
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Reviewed in the United States on May 26, 2026
★★★★★ 5
USE THIS 3 yr old-10yr old cars But it is not for use for classic muscle car-flat tappet cams
Style: Restore & Protect, Size: 5 QT, Configuration: 5W-30
Valvoline has come up with a tested, amazinng engine oil for not the newest cars..but for cars say 3-10 years old that may have some varnish-sludge build up..works slowly enough over time so it doesnt suddently clog the filter, but DO change oil and filter at 3500, not more. In fact 3500 to 4K max for ANY car, any time. DO NOT go longer as some mfg or oil say you can. Tests show that sludge builds up. This oil is NOT for classic muscle cars with flat tappet cams.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Amazing Oil!
Style: Restore & Protect, Size: 5 QT, Configuration: 5W-30
So far after first oil change it made my Toyota Tundra 5.7L with 255k miles run smoother and quieted the timing chain tensioner knock that I was quoted $5k and up to repair! Will be using from now on to 500k miles plus!
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Reviewed in the United States on May 14, 2026