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Parameters Parameter Name Parameter Value Hardness Scales HV、HRC、HRB、HRA、HS、HL、HB Measurement Range HV(50-1700), HL(170-960), HRC(20-70), HRB(13-100), HRA(60-85.8), HS(26.4-99.5), HB(30-651), HRE(20-70), HRF(60-100) Resolution 1HV, 0.1HRC Accuracy ±4%H+10HV，±2.5HRC (Probe fixture stand test, H as the standard value) Repeatability 3%H+8HV，2HRC (Probe fixture stand test, H as the standard value) Test Force 20N Display 240 * 240 dot matrix IPS Power Supply Rechargeable lithium battery 3.7V@1000mAh, full charge for over 5000 continuous measurements Charging Port USB(Type-C) Size 185*43*45 mm Weight 245 g Working Temperature Range -10~50℃，0~85%RH (no condensation) Storage Temperature Range -10~60℃，0~85%RH (no condensation) Supply Voltage DC5V Operating Current 60mA

The conical mandrel bend tester is used to determine properties of a coating. Resistance to cracking detachment from its substrate and its elongation during the test. Conical mandrel test is also known as standard method for assessing the flexibility and the adhesion properties of coatings when these are subjected to bending stresses This is accomplished by bending the test material around a conically shaped metal bar. The conical mandrel bending test is a commonly used for testing for painted or coated panels. Conical Mandrel Bend Tester is widely recommended to test the resistance of a paint, coating, varnish to evaluate cracking or detachment from a metal panel. It is suitable for use with metal panels up to 0.8mm thick (flexible substrates up to 5mm thickness) e.g. polythenes or synthetic rubber. The apparatus consists of a steel mandrel 203mm in length and tapering from 38mm to 3mm in diameter. It will accommodate test panels up to 19cm x 11cm in size. A graduated scale on the clamping bar indicates the mandrel diameter at which failure has occurred. When this diameter is added to the thickness of the panel used, the percentage elongation can be calculated. Conical mandrel detects common failures of coating shows cracking or flaking after bending. Can be used in accordance with DIN ISO EN 6860, ASTM D522, BS 3900 E11, DIN 53150 Conical Mandrel Bend Tester Dimesions: 250 x 150 x 419mm Specimen Thickness 0.80mm / 1/32“ Max specimen width 190mm Conical mandrel: 1/8 - 1 ½“ (3.2 – 38.1 mm) Technical specifications Material : MS ; Cone: MS (chromium-plated steel) Dimensions (LxHxW): 324 mm x 140 mm x 10 mm Cone: length 203 mm, greatest Ø 38 mm, smallest Ø 3,1 mm Test panel: Length: 200 mm at maximum Width: 130 mm at maximum Thickness: max 1 mm at steel, max 2 mm at aluminium, max 4 mm at materials with less bending stress than aluminium

The LS239 Automotive Paint Meter is an advanced car paint/coating thickness gauge used to measure the thickness of paint and coatings on vehicle body panels. It’s ideal for: Used car inspections (detect repainting or previous repairs) Body shop quality control Dealership vehicle assessments Car enthusiast or inspector use It works on both ferrous (steel) and non-ferrous (aluminium) substrates and can identify metallic putty/filler and galvanized layers, giving you insight into vehicle condition beyond what the eye can see. 🔥 Key Features 📊 Dual Modes: Simple & Expert Simple Mode: Quick, go-to paint measurements. Expert Mode: Designed for professional inspectors — lets you test 19 car components and store up to 999 vehicle records, with up to 6 measurements per component. 📱 Smart Bluetooth & Reporting Built-in Bluetooth lets you connect to a mobile app or WeChat mini-program to record measurements, generate inspection reports, and share them easily on your phone. 🟡 Three-Color Backlight Feedback The backlight changes color based on measured thickness: White: Normal range Yellow: Slightly high/low range Red: Severe deviation, outside limits, or ferrous putty detected This makes results easy to interpret at a glance. ⏱️ Fast & Accurate Quick measurement: ~0.3 s per reading. Automatic substrate recognition: Detects steel, aluminium, galvanized iron, and non-metallic body parts. Custom alarm values can be set to trigger when measurements exceed thresholds you define. 💾 Large On-Device Storage In Simple Mode, stores ~60 readings; in Expert Mode, can store up to 999 vehicle datasets, giving ample room for professional workflows. 🪶 Durable Probe The ruby probe tip is wear-resistant and ensures long-term accuracy. Advanced digital probe technology processes measurements directly at the probe, reducing interference and improving stability. 📐 Continuous Measurement & Rotatable Display Continuous mode: Hold the probe and slide for sliding/continuous readings — showing max/min values in simple mode. Rotatable screen: In Simple Mode, the display rotation can be switched for easier viewing in tight spaces. 📊 Technical Specifications Feature Specification Probe tip Ruby (wear-resistant) Measuring principle Fe: Hall effect / Al: Eddy current Probe type Integrated Measuring range 0.0 – 5000 µm Resolution 0.1 µm / 1 µm / 10 µm Accuracy ≤±(3 %H + 2 µm) (0–3000 µm) ≤±(5 %H + 2 µm) (3000–5000 µm) Display 192×64 dot-matrix LCD Measuring interval ~0.5 s Min. measuring area Ø 25 mm Min. curvature Convex: 5 mm / Concave: 25 mm Min. substrate thickness Fe: 0.2 mm / Al: 0.05 mm Battery Rechargeable lithium 3.7 V @ 1200 mAh Operating temp. −20 °C – 50 °C Storage temp. −20 °C – 60 °C Weight ~88.8 g Dimensions 108 × 70 × 31 mm Connectivity Bluetooth 🧠 Typical Uses Used Car Buyers & Inspectors: Compare paint thickness across panels to spot inconsistencies. Detect putty or filler indicating previous body repairs. Body Shops & Detailers: Validate even application of paint and coatings. Record and document thickness readings for quality assurance. Dealers & Auctions: Produce professional reports for vehicle condition transparency. 📦 What’s Included LS239 Paint Thickness Gauge Fe & Al zero adjustment plates Standard test film USB rechargeable cable User manual & warranty card (contents may vary by seller) 📌 Summary The Linshang LS239 Automotive Paint Meter is a feature-rich, fast, and accurate car paint thickness gauge with simple and expert modes, Bluetooth reporting, large storage capacity, and smart substrate/putty detection — making it well-suited for professional inspectors, used car evaluators, and body shop quality control workflows