LS221 Coating Thickness Gauge for Metal Surfaces - 5000μm Range



LS221 coating thickness gauge is designed for precise measurement of both non-ferromagnetic coatings on ferromagnetic metals and non-conductive coatings on non-magnetic metals. Featuring a separate host and probe design, this paint meter ensures easy data monitoring even under complex testing conditions. The LS221 is widely utilized across various industries, including metal fabrication, paint, hardware, marine, and aerospace. Equipped with advanced digital probe technology, this paint thickness gauge delivers exceptional accuracy and minimal susceptibility to interference. Ideal for professionals seeking reliable and precise coating thickness measurement.


1. Probe tip: Ruby fixed

2. Measuring principle: Ferrous: Hall Effect / Non-Ferrous : Eddy current

3. Probe type: External cable probe

4. Measuring range: 0.0-5000μm

5. Resolution: 0.1μm: 0μm -99.9μm; 1μm: 100μm-999μm; 0.01mm: 1.00mm-5.00mm

6. Accuracy: ≤±(3%H+2μm), H is the standard value

7. Unit: μm / mil

8. Measuring interval: 0.5s

9. Minimum measuring area: Ø = 25mm

10. Minimum curvature: Convex:5mm / Concave:25mm

11. Minimum substrate thickness: Fe:0.2mm / NFe:0.05mm

12. Display: 128×48 dot matrix LCD

13. Power supply: 2pcs of 1.5V AAA alkaline battery

14. Operation temperature range: 0℃-50℃

15. Storage temperature range: -20℃-60℃

16. Host size: 101*62*28 mm

17. Probe size: 71*26*22 mm

18. Weight (with battery) : 114 g


1. Automatic recognition of magnetic or non-magnetic substrates and automatic substrate conversion.

2. Use advanced digital probe technology, providing excellent test accuracy.

3. It has three measurement modes: Fe mode, NFe mode and Fe/NFe mode.

4. Adopt separate design, which is convenient to check the data while testing under complex test conditions.

5. The test response speed is very high and the data can be measured in 0.5 seconds.

6. Wear-proof ruby probe tip for long-term use with strong corrosion and abrasion resistance.

7. Just reset zero, no calibration required to ensure measurement accuracy.

8. It can pass the authoritative metrological institute testing with good repeatability.

Free Shipping

Under normal circumstances we offer free shipping on all orders, you will see the free shipping option in your cart at checkout. There is no choice of carrier for free shipping, but typically we will ship your order will likely ship using either USPS or FedEx. Full Shipping Policy

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.). Full Returns Policy

When Will My Order Ship?

For Standard Shipping, we aim to pack and ship out your order within 3 business days. During special periods, such as heavy order processing or local inventory shortages that require deployment, please expect it to take an additional day or two for processing.
We ship five days a week, Monday through Friday. Sometimes our mail pickup comes in early afternoon, so tracking for orders shipped later that day may not update until the following business day.
You will receive a shipment confirmation with tracking information via email when your order has shipped. Once you receive this email, we cannot change or cancel your order.

Can I Change The Shipping Address On My Order?

Please contact us immediately via email if you realize that you gave us the wrong shipping address — if it hasn't shipped yet, we might be able to correct it before it goes out the door.
If your order ships to the address provided and is returned to us as undeliverable, then you are responsible for paying the cost of shipping again to resend it to you. If you decide you do not want your order reshipped, we'll refund you for the products less the original shipping charges, once your order returns to our warehouse. We'll reach out to you to coordinate your options before re-shipping.
If your order ships to an incorrect address provided at the time the order is placed and is not retrievable, we are not responsible and cannot offer reimbursement.

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LS221 Coating Thickness Gauge for Metal Surfaces - 5000μm Range
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