A mini digital coating thickness gauge is a compact, handheld measuring instrument used to determine the thickness of surface coatings applied to materials such as metal. One-hand operation, only one button. "Fe", "NFe", and "Fe/NFe" three measurement modes can be set. Coating gauge is widely used in manufacturing, metal processing, the chemical industry, and other fields.

Small and Portable

Digital Coating Thickness Gauge Adopts Ruby Probe
SISCO's coating thickness gauge is widely used in many industries to measure the thickness of surface coatings accurately. In manufacturing and quality control, it helps ensure paint, plating, or anodized layers meet design and industry standards. In the automotive industry, it is commonly used to check car paint thickness for quality inspection and accident repair assessment. In metallurgy and metal processing, it measures protective coatings such as galvanizing or anti-corrosion layers.
| Model | SISCO-DCTG-XCT325 |
| Probe Tip | Ruby fixed |
| Measuring Principle | Fe: Hall Effect / NFe: Eddy current |
| Probe Type | Built-in integrated probe |
| Measuring Range | 0-5000μm |
| Resolution | 0.1μm: (0μm ~ 99.9μm) 1μm: (100μm ~ 999μm) 0.01mm: (1.00mm ~ 5.00mm) |
| Accuracy | ≤±(3%H+2μm), H is the standard value |
| Unit | μm / mil |
| Measuring Interval | 0.5s |
| Minimum Measuring Area | Ø = 25mm |
| Minimum Curvature | Convex: 5mm / concave: 25mm |
| Minimum Substrate Thickness | Fe: 0.2mm / NFe: 0.05mm |
| Display | 128×48 dot matrix LCD |
| Power Supply | 2*1.5V AAA alkaline battery (not included) |
| Supply Voltage | DC 3V |
| Operating Current | 20mA |
| Operating Power Consumption | 60mW |
| Operation Temperature | 0℃~50℃ |
| Storage Temperature | -20℃~60℃ |
| Dimension | 101*62*28 mm |
| Net Weight | 79g |
| Gross Weight | About 0.6kg |

Q1: What is a coating thickness gauge?
A1: A coating thickness gauge is a measuring instrument used to determine the thickness of a coating applied to a surface, typically metal. It is commonly used to measure paint, powder coating, plating, anodizing, or varnish without damaging the material.
Q2: What is the measurement range of this mini digital coating thickness gauge?
A2: The coating thickness meter has a measurement range of 0–5000 μm, making it suitable for a wide variety of applications. Whether you are inspecting automotive paint, industrial coatings, or protective layers on machinery, this gauge delivers precise readings, ensuring reliable quality control.
Q3: What is the operating temperature range of this coating thickness meter?
A3: The operating temperature range of this mini digital coating thickness gauge is from 0 °C to 50 °C. This means the device is designed to function accurately and reliably within typical indoor and moderate outdoor conditions. Using the gauge outside this range may affect its performance and measurement accuracy.
Tips: What should be noted when using this coating thickness tester?
Thank you for buying industrial test and measurement equipment on SISCO.com, all products sold by SISCO and the partner cover a 12 months warranty, effective from the date of receiving the products.
SISCO is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.