Linshang FNF20000-X0 Coating thickness gauge Double base Probe large range 10-20000μm
Double-base Probe, range 10-20000μm, magnetic Induction/eddy current principle, suitable for fire retardant coatings and coating thickness measurement
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Product Introduction
The FNF2000-X0 is a dual-base straight probe capable of simultaneously measuring both magnetic and non-magnetic metal substrates, with an ultra-large range of 10-20,000μm. It is suitable for measuring fireproof coatings and coating thickness, and is an optional probe for the LS227 coating thickness gauge.

Meets the standards
GB/T 4956-2025 Measurement of Thickness of Non-magnetic Covering Layer on Magnetic Substrate—Magnetic Method
GB/T 4957-2025 Measurement of Non-conductive Coating Thickness on Non-Magnetic Matrix Metals - Amplitude-Sensitive Eddy Current Method
DIN EN ISO 2808 Determination of coating and varnish film thickness
JJG-818-2018 Verification Procedures for Magnetic and Eddy Current Cover Thickness Measuring Instruments
Product features
1. Plug-in probe design.
2. Utilizes advanced digital probe technology, with digital signal processing performed directly on the probe, making the probe less susceptible to interference and providing excellent testing accuracy.
3. High-hardness probe ensures long-term effective use of the instrument
Probe selection
| Probe model | Range | Features |
| F600-X0 | 0-600μm | Iron-based, straight probe, ultra-small probe, suitable for measuring the thickness of thin coated coatings on small workpieces |
| NF1600-X0 | 0-1600μm | Non-iron-based, straight probe, ultra-small probe, suitable for anodized layer measurement on small workpieces |
| FNF2000-X0 | 0-2000μm | Dual-base, straight probe, standard range, suitable for coating and paint thickness measurement |
| FNF5000-X0 | 0-5000μm | Dual-base, straight probe, large range, suitable for coating and paint thickness measurement |
| FNF20000-X0 | 10-20000μm | Dual-base, straight probe, ultra-wide range, suitable for measuring fireproof coatings and coating thickness |
| FNF2000-X1 | 0-2000μm | Dual-base, 90° right-angle probe, suitable for measuring coating thickness on holes and slits |
| F2000-X2 | 0-2000μm | Iron-based, 90° long rod probe, suitable for measuring coating thickness on pipe inner walls and fine grooves |
| NF2000-X2 | 0-2000μm | Non-iron-based, 90° long-rod probe, suitable for measuring coating thickness on pipe inner walls and fine grooves |
Actual test demonstration

LinShang FNF20000-X0 Coating thickness gauge (Coating Thickness Gauge)Specifications
| LIST | VALUE |
|---|---|
| Probe type | Large Range Straight |
| Measurement principle | Magnetic Induction/Eddy Current Induction |
| matrix material | Ferromagnetic metal/non-ferromagnetic metal |
| Measurement range | 10.0~20000μm |
| resolution | 0.1μm:(10μm - 99.9μm),1μm:(100μm - 20000μm) |
| accuracy | H < 15000 μm : +/- ( 3% H + 2 μm), H ≥ 15000 μm: +/- 5% H (five point calibrated, H is the Standard value) |
| time interval | 0.8s |
| minimum matrix thickness | 9)Fe:2mm / NFe:1mm |
| minimum radius of curvature | Convex 30mm |
| Probe weight | About 216g |
LinShang FNF20000-X0 Coating thickness gauge (Coating Thickness Gauge) Packing list
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.


FNF20000-X0
NF2000-X2
F2000-X2
FNF2000-X1
FNF5000-X0
FNF2000-X0
NF1600-X0
F600-X0






