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Precision Ultrasonic Thickness Gauges

High-quality, reliable thickness measurement instruments for industrial, automotive, and material testing applications.

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Who We Are

Honghe DaoGuan Thickness Gauge Technology Company Limited is a leading professional manufacturer and exporter of ultrasonic thickness gauges and material testing instruments. Based in China, we specialize in delivering high-precision, durable, and easy-to-use measurement tools trusted by industries worldwide.

Our mission is to provide innovative, cost-effective solutions for non-destructive testing (NDT), ensuring quality control, safety, and efficiency across automotive, manufacturing, construction, and maintenance sectors.

  • 1-Year Warranty on Most Products
  • OEM/ODM Customization Available
  • Global Shipping & Support
Digital Ultrasonic Thickness Gauge Portable Paint Thickness Gauge

Our Best-Selling Products

Explore our wide selection of high-precision ultrasonic and coating thickness gauges designed for industrial, automotive, and material testing.

DT300 Digital Ultrasonic Thickness Gauge

DT300 Digital Ultrasonic Thickness Gauge

  • Accuracy: ±(0.01mm or 0.001in)
  • Range: 0.8–300mm (steel)
  • Display: Backlit LCD
  • Material: Steel, Plastic, Ceramic, Glass
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Portable Coating Thickness Gauge

Portable Coating Thickness Gauge

  • Range: 0–2000μm
  • Principle: Magnetic Induction & Eddy Current
  • Use: Automotive Paint, Metal Coatings
  • Model: DT-157H
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GTS8102 Car Paint Thickness Meter

GTS8102 Car Paint Thickness Meter

  • Bluetooth: Yes (Interconnect)
  • Probe: Built-in F & NF
  • Use: Auto Body Paint Testing
  • Resolution: 0.1μm
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Universal Paint Layer Thickness Gauge

Universal Paint Layer Thickness Gauge

  • Dimensions: 149×73×32mm
  • Range: 0–1250μm
  • Display: Digital LCD
  • Widely Used: Industrial & Auto
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UT343A Rotary Screen Thickness Gauge

UT343A Rotary Screen Thickness Gauge

  • Design: Rotary Screen Interface
  • Accuracy: High Precision
  • Application: Industrial NDT
  • Warranty: 12 Months
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HXTG-140 Industrial Ultrasonic Gauge

HXTG-140 Industrial Ultrasonic Gauge

  • Model: HXTG-140
  • Range: 1.00–300.0mm (steel)
  • Accuracy: ±(1% H + 0.1)mm
  • Warranty: 1 Year
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UTM-6700 Metal Thickness Gauge

UTM-6700 Metal Thickness Gauge

  • Display: 4.5-Digit LCD with EL Backlight
  • Principle: Ultrasonic
  • Use: Metal Thickness Measurement
  • Resolution: 0.01mm
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MK08 Digital Coating Thickness Gauge

MK08 Digital Coating Thickness Gauge

  • Model: MK08
  • Warranty: 1 Year
  • Custom: OEM/ODM Supported
  • Use: Car Paint, Industrial Coatings
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Why Choose Our Gauges?

Engineered for precision, durability, and ease of use in demanding environments.

High Accuracy

Our gauges offer precision down to 0.01mm or 0.1μm, ensuring reliable and repeatable measurements.

Wide Range of Applications

From automotive paint to industrial steel, plastic, and concrete — our tools adapt to your needs.

Global Support & Warranty

Backed by 12–18 month warranties and dedicated customer service in multiple languages.

10K+
Units Sold
50+
Countries Served
12–18
Month Warranty
98%
Customer Satisfaction

What Our Clients Say

"Good quality and nice service."

— Miss Rose

"Service is very good. Thank you."

— Jose

"They can always provide us the most popular products in the market."

— Allen Tang

Frequently Asked Questions

What is an ultrasonic thickness gauge?

An ultrasonic thickness gauge uses high-frequency sound waves to measure the thickness of a material without damaging it. It's widely used in industrial NDT (non-destructive testing).

Can I use these gauges on painted surfaces?

Yes, many of our models support measurement through coatings using specialized probes and calibration.

Do you offer customization?

Yes, we support OEM, ODM, and OBM services for bulk orders and private labeling.

What is the warranty period?

Most products come with a 12-month warranty. Some models offer up to 18 months.

Get in Touch

For quotes, technical support, or customization inquiries, visit our official website.

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