The RHL30 Portable Hardness Testing Machine is a professional-grade instrument designed for on-site hardness measurement in industrial applications. With its compact 152×84×34mm design and lightweight 0.3kg construction, this device offers exceptional portability without compromising accuracy.

• High-resolution 128×64 matrix LCD display with backlight illumination
• Automatic conversion across multiple hardness scales: HV, HB, HRC, HRB, HRA, HS
• Intuitive English menu interface for straightforward operation
• Advanced PC software compatibility with USB 2.0 interface
• 7 interchangeable impact devices without requiring recalibration
• Extensive 600-group data memory capacity
• Built-in lower limit setting with audible alarm functionality
• Direct HB value reading for cast steel materials using D/DC impact device
• Separate printer option for on-demand test result documentation
• Integrated 3.7V/600mA smart Li-ion rechargeable battery
• Built-in software calibration capability
• Dual shutdown modes: manual key operation and automatic

• Hardness Scales: HL, HB, HRB, HRC, HRA, HV, HS
• Memory Capacity: 48-600 groups (impact times: 32-1)
• Measuring Range: HLD(170-960)
• Accuracy: ±6HLD (760±30HLD) display value error
• Standard Impact Device: Type D
• Optional Impact Devices: DC, D+15, G, C, DL
• Maximum Workpiece Hardness: 996HV (D/DC/DL/D+15/C), 646HB (G)
• Minimum Workpiece Radius: Rmin = 50mm (with special support ring Rmin = 10mm)
• Minimum Workpiece Weight: 2-5kg on stable support, 0.05-2kg with compact coupling
• Minimum Workpiece Thickness: 5mm (D/DC/DL/D+15), 1mm (C), 10mm (G)
• Minimum Hardened Surface Thickness: 0.8mm
• Power Supply: Rechargeable Li-ion battery 3.7V/600mA, 4-year lifespan
• Continuous Operation: Approximately 100 hours (backlight off)
• Charging Time: 2-3.5 hours
• Operating Temperature: 0-40℃
• Relative Humidity: ≤90%
• Dimensions: 152×84×34mm (main unit)
• Weight: 0.3kg (main unit)

• Assembled machinery and permanently installed components
• Die cavity mold inspection and quality control
• Heavy workpiece assessment in manufacturing environments
• Failure analysis for pressure vessels and steam turbo-generator sets
• Narrow testing spaces where workpieces are installed
• Bearing and component quality verification
• Normalized original recording requirements
• Metal material warehouse identification and sorting
• Large-scale multi-point measurements for heavy workpieces

• Main testing unit
• Impact Device Type D
• Test block with HLD value
• Charger unit
• Nylon cleaning brush
• Small supporting ring
• DataView Software package
• USB & RS232 communication cable
• Factory calibration certificate
• Comprehensive instruction manual
• Manufacturer warranty card
• Protective carrying case

• Additional Impact Devices: DC, D+15, G, C, DL
• Normal and special support rings (14 pieces)
• Additional test blocks (high, medium, and low values)
• External printer unit
• Replacement impact body
• Impact ball tip replacements
• Specialized tools for ball tip replacement

The integrated DataView software provides comprehensive online measurement management with functions for data testing, storage, retrieval, deletion, clearing, printing, input/output to Excel, and advanced analysis capabilities.