LS227 Multi-Probe Coating Thickness Gauge
Coating thickness measurement for various applications.
One host can be freely paired with different probes for use
3.5-inch large touchscreen design for easier operation
Intelligent statistics for maximum, minimum, average, and standard deviation
The LS227 coating thickness gauge features a split design, consisting of a touchscreen main unit and a digital probe. The main unit can intelligently identify different probe models and currently supports the flexible combination of 8 types of probes. The instrument can be widely used for measuring the thickness of surface coatings on small workpieces, holes, pipe inner walls, as well as paints and coatings. Users can select the appropriate probe for measurement based on different testing scenarios.
LS227 Features Video
Product Applications
The instrument is equipped with 8 different models of probes to choose from, which can be selected based on the shape and thickness of the material being tested. The probes are not included as standard accessories and need to be purchased separately.
| Number | Probe model | Range | Features |
|---|---|---|---|
| 1 | F600-X0 | 0-600μm | Iron-based, straight probe, ultra-small probe head, suitable for thickness measurement of thin coatings on small workpieces. |
| 2 | NF1600-X0 | 0-1500μm | Non-ferrous, straight probe, ultra-small probe head, suitable for measuring anodized layers on small workpieces. |
| 3 | FNF2000-X0 | 0-2000μm | Dual-element, straight probe, standard range, suitable for coating and paint thickness measurement. |
| 4 | FNF5000-X0 | 0-5000μm | Dual-base, straight probe, large range, suitable for coating and paint thickness measurement. |
| 5 | FNF20000-X0 | 10-20000μm | Dual-base, straight probe, ultra-large range, suitable for fireproof coating and paint thickness measurement. |
| 6 | FNF2000-X1 | 0-2000μm | Dual-base, 90° right-angle probe, suitable for coating thickness measurement on holes and narrow slits. |
| 7 | F2000-X2 | 0-2000μm | Iron-based, 90° long-stem probe, suitable for coating thickness measurement on inner walls of pipes and narrow grooves. |
| 8 | NF2000-X2 | 0-2000μm | Non-ferrous, 90° long probe, suitable for coating thickness measurement on inner walls of pipes and narrow grooves. |
F600-X0 probe actual measurement
NF1600-X0 probe actual measurement
FNF2000-X0 probe actual measurement
FNF5000-X0 probe actual measurement
FNF20000-X0 probe actual measurement
FNF2000-X1 probe actual measurement
NF2000-X2 probe actual measurement
F2000-X2 probe actual measurement
Product Parameters
| Parameter name | Parameter value |
|---|---|
| Display screen | 480*320 dot-matrix IPS color screen |
| Battery level | Rechargeable lithium battery 3.7V@4000mAh |
| Operating temperature range | 0℃-50℃ |
| Storage temperature range | -20℃-60℃ |
| Unit | μm /mm/ mil |
| User calibration | Supports zero-point calibration and 1-point to 5-point calibration. |
| Host dimensions | 141*71*22mm |
| Weight (including battery) | Approximately 200g |
| Supply voltage | DC5V |
| Operating current | 160mA |
| Operating power consumption | 800mW |
Probe parameters
| Probe name | F600-X0 | NF1600-X0 |
|---|---|---|
| Probe type | Regular straight type | |
| Measurement principle | Magnetic induction | Eddy current induction |
| Matrix material | Ferromagnetic metal | Non-ferromagnetic metals |
| Measurement range | 0.0–600μm | 0.0–1600μm |
| Resolution | 0.1μm： (0μm-99.9μm)， 1μm：(100μm-600μm) |
0.1μm：0μm-99.9μm， 1μm：100μm-999μm， 10μm：1000μm-1600μm |
| Repeatability | ≤±(0.8%H+0.1μm) tested with a manual press test stand, where H is the standard value. | |
| Accuracy | ±(2%H+0.3μm) five-point calibration, H is the standard value. | |
| Time interval | 1.5s (single mode), 0.4s (continuous mode) | 0.4s |
| Minimum substrate thickness | 0.1mm | 0.03mm |
| Minimum radius of curvature | Convex surface 1.5mm, concave surface 10mm | |
| Probe dimensions (excluding cable) | 105mm long * 15mm diameter | |
| Probe weight | Approximately 55g | |
| Probe name | F2000-X2 | NF2000-X2 | FNF2000-X1 |
|---|---|---|---|
| Probe type | 90° long rod | 90° right angle | |
| Measurement principle | Magnetic induction | Eddy current induction | Magnetic induction / Eddy current induction |
| Matrix material | Ferromagnetic metal | Non-ferromagnetic metals | Ferromagnetic metal / non-ferromagnetic metal |
| Measurement range | 0.0–2000μm | ||
| Resolution | 0.1μm：0μm-99.9μm， 1μm：100μm-999μm， 10μm：1000μm-2000μm |
||
| Repeatability | ≤±(1%H+0.5μm), where H is the standard value. | ||
| Accuracy | H<1000μm: ±(2%H+1μm), H≥1000μm: ±3%H (five-point calibration, H is the standard value) | ||
| Time interval | 0.6s | 0.4s | 0.8s |
| Minimum radius of curvature | Convex surface 3mm, concave surface 10mm | ||
| Minimum substrate thickness | Fe:0.2mm/NFe:0.05mm | ||
| Probe dimensions (excluding cable) | Length 167mm * Width 8mm * Height 10.8mm | 86mm long * 11.5mm wide * 22mm high | |
| Probe weight | Approximately 46g | Approximately 80g | |
| Probe name | FNF2000-X0 | FNF5000-X0 | FNF20000-X0 |
|---|---|---|---|
| Probe type | Regular straight type | Extra-large range straight type | |
| Measurement principle | Magnetic induction / Eddy current induction | ||
| Matrix material | Ferromagnetic metal / non-ferromagnetic metal | ||
| Measurement range | 0.0–2000μm | 0.0–5000μm | 10.0–20000μm |
| Resolution | 0.1μm：0μm-99.9μm， 1μm：100μm-999μm， 10μm：1000μm-2000μm |
0.1μm：0μm-99.9μm， 1μm：100μm-999μm， 10μm：1000μm-5000μm |
0.1μm：10μm-99.9μm， 1μm：100μm-999μm， 10μm：1000μm-20000μm |
| Repeatability | ≤±(1%H+0.3μm) tested with a manual press test stand, where H is the standard value. | ≤±(1%H+2μm), where H is the standard value. | |
| Accuracy | H<1000μm: ±(2%H+1μm), H≥1000μm: ±3%H (five-point calibration, H is the standard value) |
||
| Time interval | 0.8s | ||
| Minimum radius of curvature | Convex surface 3mm, concave surface 40mm | Convex surface 30mm, concave surface 150mm | |
| Minimum substrate thickness | Fe:0.2mm / NFe:0.05mm | Fe:2mm / NFe:1mm | |
| Probe dimensions (excluding cable) |
105mm long * 15mm diameter | 71mm length * 50.5mm diameter | |
| Probe weight | Approximately 52g | Approximately 216g | |
Product Features
Multiple probe options available, suitable for various occasions.
The pluggable probe design allows a single host to be freely paired with different probes for use, making it convenient for testing in various scenarios.
Ultra-small probe, specially designed for measuring small workpieces.
The host, when used with an ultra-small probe, can easily measure coating thickness on small workpieces or irregularly shaped materials.
90° right-angle probe, dual-use for iron and aluminum
The probe features a 90° right-angle design, making it simpler and more convenient for measuring coating thickness in holes and narrow slits. It is a dual-purpose probe for both iron and aluminum substrates.
Adopts a 90° long-stem probe design.
A 90° long-arm probe is suitable for measuring coating thickness in areas that are difficult for standard probes to reach, such as the inner walls of pipes and narrow grooves.
20000μm ultra-large measuring range design
The probe measurement range can reach 20000μm, and it is dual-purpose for iron and aluminum, making it easy to measure even thick coatings.
Touchscreen operation is simpler.
The host features a 3.5-inch large touchscreen design, making it simple and convenient to operate.
Good quality, high precision.
The instrument offers high measurement accuracy and minimal repeat test deviation, and can reliably pass the metrological verification conducted by the national authoritative metrology institute.
Digital probe anti-interference
Advanced digital probe technology is employed, with digital signal processing completed directly inside the probe, ensuring that the probe is less susceptible to external interference and providing excellent testing accuracy.
Paired with a manual press stand for precise measurement.
Equipped with a dedicated manual test stand available for user purchase, which makes measurement more convenient and eliminates measurement errors caused by human factors.
(Only for F600-X0 probe,NF1600-X0 probe,FNF2000-X0 probe,FNF5000-X0 probe supports rack testing)
Supports multi-point calibration, adapting to complex detection scenarios.
Supports 1-5 point calibration, allowing curve correction based on standard specimens or actual workpieces to ensure high-precision measurement, easily adapting to complex inspections as well.
Smart statistics, no manual calculation needed.
Smartly calculates the maximum, minimum, average, and standard deviation of measurement data, eliminating the need for manual calculations.
QC inspection, with automatic determination of pass/fail status.
The instrument has a QC detection function. By setting upper and lower thickness thresholds, it automatically determines whether the thickness is qualified during testing.
Grouped storage makes data viewing more convenient.
It has grouping functionality, making it convenient to test different samples and store data. Up to 100 data groups can be created, and the number of measurements per data group can be set arbitrarily, with a maximum of 10,000 data entries.
The mobile app has more features.
It can be connected to the APP for use, allowing data to be saved or shared within the APP.
Paired with PC software, data management becomes more convenient.
When used with PC software, users can easily save test data, facilitating data management and analysis.
Enable continuous measurement for more efficient measuring.
Measurement units are switchable between microns, mils, and millimeters.
Rechargeable lithium battery, long-lasting battery life.
Product video
LS227 Operation Video
App/PC Software Operation Videos
Software Download
1. Mobile app software installation
The instrument supports Android operating system version 7.0 and above only. It can be installed through the following methods:
Scan the QR code on the instrument with your phone, then follow the prompts to download and install it.
2. Installation of PC Software
Connect the instrument to the computer via USB, and the thickness gauge PC software can be used. (The PC software only supports the Windows operating system.) It can be installed through the following methods:
Download the software to your local computer; it can be run directly after extraction.
Relevant standards and qualifications
The LinShang multi-probe coating thickness gauge complies with the following relevant standards:
GB/T 4956-2025 Non-magnetic coatings on magnetic substrates - Measurement of coating thickness - Magnetic method
GB/T 4957-2025 Non-conductive coatings on non-magnetic basis metals - Measurement of coating thickness - Amplitude-sensitive eddy current method
DIN EN ISO 2808 Paints and varnishes — Determination of film thickness
JJG-818-2018 Verification Regulation of Magnetic and Eddy Current Coating Thickness Measuring Instruments
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