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Hardness Testers
  • MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester
  • MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester
  • MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester
  • MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester
  • MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester
  • MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester
MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester

MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester

  • 1 - 4 Pieces
    $140
  • 5 - 9 Pieces
    $110
  • >= 10 Pieces
    $95

Customization:

Customized logo（Min.Order: 100 pieces）
View product details

MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Accurate Hardness Measurement: The MLH350 Leeb Hardness Tester provides precise hardness values in real-time via a smartphone app, supporting multiple scales (HLD, HV, HRB, HRC) with an accuracy of ±6HLD.
  • Mobile Integration: The device connects to smartphones via cable, enabling users to view dynamic data, graphs, and statistical analyses directly on the phone’s interface for enhanced usability.

Key features

  • 1. Durable Material Technology for Precision

    • With a corrosion-resistant carbide impactor, you can achieve consistent hardness measurements on rough or uneven surfaces, outperforming testers with less durable materials*.

  • 2. Smartphone-Integrated Interactive Design

    • With a touchscreen interface connected via cable to your smartphone, you can view real-time hardness values and customize presets for different materials, eliminating the need for manual data logging compared to traditional testers*.

  • 3. High Accuracy and Multi-Scale Compatibility

    • With ±6HLD accuracy and support for HLD, HV, HRC, and HRB scales, you can ensure reliable results across diverse materials, surpassing lower-precision handheld devices*.

  • 4. Portable On-Site Scenario Solutions

    • Designed for field use, its compact size allows you to perform hardness tests in workshops, construction sites, or labs without bulky equipment, saving time compared to lab-reliant alternatives*.

  • 5. Certified for Safety and Reliability

    • Complies with industry standards for hardness testing*, ensuring safe and accurate measurements.

Product details

MLH350 Leeb Hardness Tester with a Mobile App the Hardness Value Is Displayed on the Phone Richter Hardness Tester

The MLH350 Leeb Hardness Tester is a portable, smartphone-integrated device designed for precise hardness measurement across multiple scales (HLD, HV, HRB, HRC). With real-time data visualization on a mobile app, it offers field engineers and quality control professionals a reliable tool for on-site inspections and industrial applications.

Technical specifications

FeatureSpecificationBenefit
Accuracy±6 HLDEnsures consistent measurements in demanding environments.
Hardness ScalesHLD, HV, HRB, HRCSupports versatile applications in metallurgy, manufacturing, and R&D.
Device TypeLeeb (Dynamic) Hardness TesterEnables non-destructive testing on large or complex components.
Material/DesignDurable aluminum alloy bodyResists wear and provides ergonomic handling for prolonged use.
IntegrationCable-connected smartphone interfaceDisplays real-time data, graphs, and statistical analysis.

Customization guide

Adjustable measurement parameters (e.g., unit selection, data averaging) via the mobile app allow customization for specific use cases. For instance, users can optimize sampling frequency for rapid on-site inspections or refine display settings for detailed lab analysis.

Get inspired

With the MLH350, you can streamline quality control processes by instantly viewing hardness values and graphs on your smartphone. Its compact design and multi-scale capability make it ideal for field inspections, automotive manufacturing, or academic research where portability and precision are critical.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Accuracy±6 HLD±5 HLD±4 HLD
Battery Life8 hours12 hours24 hours
ConnectivityWired (USB-C)Bluetooth 5.0Bluetooth 5.0 + Wi-Fi
Data Storage1000 readings5000 readingsUnlimited (cloud)
Weight500g550g600g

Supplier's note

  1. Technical Breakthroughs:

    • Accuracy Improvement: The Pro Model’s ±4 HLD precision exceeds industry benchmarks (typically ±7 HLD), enabling high-stakes aerospace or automotive applications.
    • Multi-Scale Conversion: Seamless HLD-to-HV/HRB/HRC conversion eliminates manual calculations, saving time in mixed-material environments.
    • Mobile Integration: Real-time data transfer via Bluetooth (20% faster than wired models) ensures immediate action during inspections.

  2. Optimal Version Selection:

    • Base Model: Ideal for basic on-site inspections (e.g., construction sites) where wired connectivity suffices.
    • Advanced Model: Best for field engineers needing wireless portability and extended battery life for full-day use.
    • Pro Model: Tailored for labs and precision manufacturing, combining ultra-accuracy with cloud storage for traceability in regulated industries.

With the Pro version’s triple-certified chemical resistance and cloud integration, you can securely archive data for audits while handling corrosive materials. Pair its high accuracy with Wi-Fi connectivity to synchronize results across teams in real time.

Frequently asked questions

  • Which Leeb hardness tester is best for on-site testing with real-time results?

  • How do I clean and maintain the probe tip of the MLH350 tester?

  • Does the MLH350 support switching between hardness scales like HLD and HRC?

  • What certifications ensure the MLH350’s accuracy of ±6HLD?

  • Can the MLH350 connect to both Android and iOS devices?

  • How does the mobile app improve hardness testing compared to traditional methods?

  • Is the MLH350 suitable for small workshops with limited space?

  • Does the MLH350 require regular calibration for consistent accuracy?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Handheld TesterBasic QA inspections, small workshopsAccuracy: ±8 HLD (ASTM E18 compliant) ▲
Single hardness scale (HLD)		Affordable, rugged designLimited accuracy, no multi-scale support, no connectivity
Our Base Model (MLH350)Field inspections, multi-scale tasksAccuracy: ±6 HLD (ISO 6508-1) ▲▲
4 scales (HLD, HV, HRB, HRC) ▲
Mobile app ▲▲		Enhanced precision, multi-scale versatility, real-time data via smartphoneRequires smartphone, periodic calibration, lighter durability
Our Advanced ModelHigh-precision labs, aerospace materialsAccuracy: ±4 HLD (▲▲ over Base)
Wireless connectivity ▲▲
Real-time logging		Highest precision, wireless portability, advanced data analysisHigher cost, complex setup, requires training
Desktop Hardness TesterHeavy industrial labs, large componentsAccuracy: ±2 HLD (▲▲▲ over Base)
Automated testing		Extreme precision, robust for heavy-duty useNon-portable, bulky, high cost, slower for field use
Portable Ultrasonic TesterThin materials, non-destructive testingAccuracy: ±5 HRC (ASTM E10) ▲
Non-destructive ▲▲		Safe for fragile parts, ideal for thin materialsLimited material compatibility, slower readings, no multi-scale support
Benchtop Hardness TesterQuality control labs, repetitive testingAccuracy: ±3 HRC (▲ over Base)
Automated batch testing ▲▲		Consistent results, reduces human errorRequires dedicated space, less portable, higher upfront cost

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.