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Elcometer 456 Coating Thickness Gauge
The Elcometer 456 Dual FNF is an industry-benchmark digital coating thickness gauge designed for fast, non-destructive dry film thickness (DFT) measurement on both ferrous and non-ferrous metal substrates. Delivering high-speed acquisition at 70+ readings per minute, $\pm 1\text{ to }3\%$ accuracy, IP64 splash/dust resistance, and seamless wireless connectivity via ElcoMaster software, it is the primary choice for industrial coating, marine, and automotive QA inspectors.
Features & Benefits
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Automatic Dual Substrate Detection (FNF): Automatically identifies ferrous (magnetic induction) or non-ferrous (eddy current) metal bases without manual reconfiguration.
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Rapid Measurement Speed (70+ Readings/Min): Delivers fast, continuous readings across large structures, doubling inspection throughput compared to traditional gauges.
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Ultra-Durable Polished Ruby Probe Tip: Wear-resistant synthetic sapphire/ruby tip withstands rough abrasive grit-blasted profiles without wearing down.
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High Measurement Accuracy ($\pm 1\text{ to }3\%$): Provides metrology-grade repeatability across smooth, curved, and shot-blasted surfaces from 0 to 1500 µm (0 to 60 mils).
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Rugged IP64 Industrial Enclosure: Sealed keypad and housing resist rain, dust, paint overspray, and solvent splashes in harsh industrial shipyards.
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ElcoMaster Software & Mobile App Sync: Live data streaming via Bluetooth and USB enables instantaneous PDF inspection report generation on smartphones and laptops.
Description
Engineered to satisfy the most demanding international coating standards (including ISO 2808, SSPC-PA 2, and ASTM D7091), the Elcometer 456 provides repeatable dry film thickness measurements across all structural metals. Its intelligent dual FNF technology automatically senses whether the base substrate is ferrous (magnetic steel/iron) or non-ferrous (aluminum, copper, or brass), eliminating manual probe switching and preventing operator configuration errors in high-volume paint shops and fabrication yards.
Specifications
| Specification Attribute | Details / Values |
| Brand / Manufacturer | Elcometer Limited (Manchester, UK) |
| Model / MPN | 456 Dual FNF (Scale 1: 0 to 1500 µm / 0 to 60 mils) |
| Product Series | Elcometer 456 Dry Film Coating Thickness Gauges |
| Measurement Principle | Magnetic Induction (Ferrous – F) & Eddy Current (Non-Ferrous – N) |
| Substrate Compatibility | All ferrous metals (steel, iron) and non-ferrous metals (aluminum, brass, copper) |
| Measurement Range | Scale 1: 0 to 1500 µm (0 to 60 mils); Scale 2 available up to 5 mm (200 mils) |
| Measurement Accuracy | $\pm 1\text{ to }3\%$ of reading or $\pm 2.5\,\mu\text{m}$ ($\pm 0.1\text{ mil}$), whichever is greater |
| Resolution | 0.1 µm: 0 to 99.9 µm; 1 µm: 100 to 1500 µm (0.01 mil: 0 to 5 mils; 0.1 mil: 5 to 60 mils) |
| Reading Rate | $> 70\text{ readings per minute}$ (up to 140+ rpm with Scan/Ultra probe) |
| Display | 2.4-inch (6 cm) QVGA 320 × 240 pixels color TFT display with auto-rotation |
| Data Memory & Batching | Stores up to 150,000 readings in up to 2,500 alpha-numeric batches (Model T) |
| Connectivity & Output | USB 2.0 interface; Bluetooth 2.1 (iOS & Android ElcoMaster app compatible) |
| Ingress Protection Rating | IP64 (Dust-tight and splash-proof enclosure per IEC 60529) |
| Applicable Standards | ISO 2808, ISO 19840, SSPC-PA 2, ASTM D7091, AS/NZS 1580.108.1 |
| Calibration Methods | Factory, 1-Point, 2-Point, Smooth/Rough Zero, Zero Offset, Pre-defined ISO/SSPC |
| Power Source & Battery Life | 2× AA 1.5 V alkaline or rechargeable NiMH batteries; ~24 hours continuous use |
| Dimensions & Weight | 141 × 73 × 37 mm (5.55 × 2.87 × 1.46 in); Approx. 161 g (5.68 oz with batteries) |
| In The Box / Standard Accessories | Elcometer 456 Gauge & Dual FNF Probe, Precision Foil Calibration Set, Ferrous & Non-Ferrous Zero Test Plates, Wrist Strap, USB Cable, Protective Hard Carry Case, ElcoMaster Software, Calibration Certificate, User Guide |
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