Overview

The document describes the technical specifications, features, and accessories of the Hardness Tester model TH152, an advanced device designed for measuring material hardness using integrated impact devices without cables.

Technical Specifications

• Hardness Scales Supported: HLC, HB, HRC, HRB, HV, HS
• Measuring Range: Refer to material-specific ranges (see table below)
• Accuracy: ±12 HLC
• Memory Capacity: Stores up to 256 average readings
• Output Interface: RS232 for printer connection
• Continuous Working Time: 300 hours without backlight
• Power Supply: 3V Lithium battery (CR 1/2 AA)
• Operating Temperature: 0 to 40 °C
• Dimensions: 149 × 60 × 39 mm
• Weight: 145 g

Workpiece Requirements

• Surface Roughness: Maximum 0.4 Ra
• Maximum Hardness: 960 HLC
• Minimum Radius (convex/concave): 11 mm with support ring
• Minimum Weight: 0.5 to 1.5 kg on stable support; 0.02 to 0.5 kg with compact coupling
• Minimum Thickness: 1 mm when coupled
• Minimum Hardened Layer Thickness: 0.2 mm

Material Hardness Ranges

Device Features

• Integrated impact device with no cables for ease of use
• Large LCD with backlight for clear display
• Automatic or manual deletion of incorrect readings
• Low battery indication
• Direct display of converted hardness values in multiple scales (HRB, HRC, HV, HB, HS)
• Simple handling and low testing expenditure
• Optional printer (TA220) available for data output

Standard Delivery Package

• Main unit with integrated impact device
• Test block with HLD value
• Cleaning brush
• 3V Lithium battery (CR 1/2 AA)
• Time certificate
• Instruction manual
• Guarantee card
• Carrying case

Optional Accessories

• Support rings for testing curved surfaces
• Printer TA220 with cable

Additional Notes

The device supports various optional impact devices and support rings to accommodate different testing conditions and workpiece geometries. Indentation depth and diameter parameters vary depending on the impact device used (details referenced on page 8, not included here).

The TH152 model is an improved and more fashionable version of the previous TH132 model, offering enhanced usability and data management.