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The LS177 Spectrocolorimeter is a benchtop spectral color measurement instrument with a 50 mm large measuring aperture, designed for accurate color evaluation, spectral reflectance analysis, and color difference comparison of non-transparent materials such as powders, masterbatches, plastics, textiles, painted surfaces, food products, and more.
🔍 Key Features
🟡 Large 50 mm Aperture
50 mm measurement aperture captures a wide area of the sample — especially beneficial for rough, uneven, or particulate surfaces where smaller apertures may give inconsistent readings.
📈 Spectral Reflectance Curves
Provides professional spectral reflectance curves that go beyond basic tristimulus values, helping you analyze hue, saturation, brightness and subtle material characteristics.
📊 Rich Color Data & Color Spaces
Supports multiple color spaces:
CIE Lab, Luv, LCh, Yxy
CMYK, RGB
Whiteness and yellowness indices like WI-98, WI-Hunter, YI-98, WI-R457
Spectral reflectance data
Offers a full set of color difference formulas including ΔEab, ΔEuv, ΔE94, ΔEcmc (various weighting), and ΔE*00.
🧪 Robust QC & Comparison Tools
Built-in quality control (QC) function allows you to set color difference thresholds and automatically judges pass/fail results.
Electronic color charts are included internally for quick color matching (typically ~90% match accuracy).
💻 Connectivity & Software Support
Connects via USB and Bluetooth to mobile APP and PC software to support data export, report generation, and statistical analysis.
📱 Touchscreen Interface
Equipped with a 7-inch IPS color touchscreen for intuitive, standalone operation without needing external devices.
📊 Technical Specifications
Specification Details
Illumination Geometry D/8 with Specular Component Included (SCI)
Light Source Full-spectrum LED
Spectral Range / Interval 400–700 nm, 10 nm
Measuring Aperture 50 mm
Measurement Time ~1.5 s
Color Spaces CIE Lab, Luv, LCh, Yxy, CMYK, RGB, WI-98, WI-Hunter, YI-98, WI-R457, Reflectance
Color Difference Formulas ΔEab, ΔEuv, ΔE94, ΔEcmc, ΔE*00
Repeatability Std. dev. ΔE*ab ≤ 0.03
Inter-Instrument Agreement ΔE*ab ≤ 0.4 (BCRA II tiles)
Display 7″ 1024×600 IPS color screen
Weight / Dimensions ~3.29 kg; 21.1×26.4×15.5 cm
Power AC 100–277 V
Languages Simplified Chinese, English
Connectivity USB, Bluetooth
🛠 Typical Applications
The LS177 is ideal for color measurement and management in industries such as:
✔ Plastic masterbatch and powder color QC — large aperture is excellent for non-solid or uneven materials.
✔ Paints and coatings — spectral curves help analyze complex finishes.
✔ Textiles and fabrics — consistent comparison of dye lots.
✔ Food and pharmaceutical products — measurement of tablets, powders, formulations.
✔ Quality control labs — detailed metrics, QC thresholds, database and reporting workflows.
🧰 What’s in the Box
LS177 Spectrocolorimeter unit
USB cable
Cleaning cloth
Power cable
User manual, calibration report, certificate/warranty card
Plastic cuvettes for powder/masterbatch/opaque sample positioning
📌 Summary
The LS177 Spectrocolorimeter is a high-precision, large aperture spectrophotometer/class colorimeter designed for demanding industrial color measurement and quality control. Its 50 mm measurement aperture, spectral reflectance curves, and comprehensive color analysis capabilities make it a strong choice for labs and production facilities that need true spectral data and repeatable color control across varied materials.
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
Automotive Paint Meter
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HPFS Instruments India LLP 302, Sohan Commercial Plaza, Navghar, Nr. Vasai Railway Station, Vasai East, Vasai - 401209, Thane, Maharashtra, India