HTC DFT-821 Coating Thickness Meter

HTC DFT-821 Coating Thickness Meter

The HTC DFT-821 Coating Thickness Meter is a high-precision, non-destructive measuring instrument designed to accurately measure the thickness of non-magnetic coatings on ferrous (steel) substrates and non-conductive coatings on non-ferrous (aluminum) substrates. It is widely used in automotive inspection, paint shops, quality control, galvanizing, powder coating, electroplating, and industrial maintenance. 

Key Features

• Measures coating thickness on both ferrous (Fe) and non-ferrous (NFe) substrates.
• Wide measuring range of 0 to 1700 μm.
• 2-inch color LCD with automatic 4-direction screen rotation.
• High-resolution measurement of 0.1 μm (0–99.9 μm) and 1 μm (100–1700 μm).
• Automatic substrate identification (Fe/NFe).
• Voice broadcast function for convenient operation.
• Built-in 850 mAh rechargeable lithium battery.
• USB interface for exporting measurement data to a computer.
• Memory storage with 8 groups, each capable of storing 32 readings.
• Compact, lightweight design with a protective carrying case. 
  
  

Technical Specifications

Parameter  Specification

Measuring Range : 0–1700 μm

Measurement Principle : Magnetic Induction (Fe) & Eddy Current (NFe)

Resolution : 0.1 μm (0–99.9 μm), 1 μm (100–1700 μm)

Accuracy : ±(2 μm + 2% of reading) up to 500 μm; ±2.5% of reading above 500 μm

Display : 2-inch Color LCD

Memory : 8 Groups × 32 Readings

Battery : 3.7 V, 850 mAh Rechargeable Lithium

Data Transfer : USB

Operating Temperature : 0°C to 50°C

Storage Temperature : -10°C to 60°C

Dimensions : 120 × 52 × 26 mm

Weight : Approximately 180–200 g

Applications

• Automotive paint thickness inspection

• Used car body inspection

• Powder coating measurement

• Electroplating inspection

• Galvanized coating measurement

• Industrial painting quality control

• Corrosion protection inspection

• Manufacturing and production quality assurance

Package Contents

• HTC DFT-821 Coating Thickness Meter

• Hard Carrying Case

• Calibration Foils

• Iron (Fe) Calibration Plate

• Aluminum (NFe) Calibration Plate

• USB Charging Cable

• User Manual

• Wrist Strap/Sling 

Benefits

• Fast and non-destructive coating inspection.

• Accurate measurements on both steel and aluminum surfaces.

• Easy-to-read rotating color display.

• Rechargeable battery for extended field use.

• Data storage and USB export simplify inspection reporting.

• Ideal for professionals in automotive, manufacturing, and quality assurance.

Typical Industries

• Automotive Service & Inspection

• Paint & Coating Industries

• Metal Fabrication

• Aerospace

• Marine

• Construction

• Industrial Maintenance

• Quality Control Laboratories

The HTC DFT-821 is an excellent choice for professionals who require reliable, portable, and accurate coating thickness measurements across a wide variety of industrial and automotive applications. Its combination of dual-substrate capability, color display, data logging, and USB connectivity makes it suitable for both field inspections and quality control environments.