LS256 Ultrasonic Hardness Teste
Integrated design + Two probes
Portable size, easy to carry
Small indentation, non-destructive measurement
Easy operation for measuring flat, small, or irregular parts
High precision, good repeatability
Ultrasonic hardness tester uses the ultrasonic contact impedance method to measure various metal materials. With minimal surface damage, it is ideal for testing metal coatings, platings, and hardened layers. It supports multiple hardness scales, including HL, HV, HB, HS, HRA, HRB, and HRC.
Product application
LS256 Cylinder Liner Test
LS256 Flange Test
LS256 Fastener Test
LS256 Steel Plate Test
LS256 Wheel Hub Test
LS256 Surface Hardened Layer Test
LS256 Gear Test
LS256 Cutting Disc Test
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) |
| 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 |
Features
Integrated Design for Easy Portability
The instrument features an all-in-one structure that is compact and lightweight. It can be easily operated with one hand, making it ideal for fast and efficient on-site hardness testing.
Two Probes for Versatile Applications
Equipped with dual probes, the instrument adapts flexibly to a variety of hardness testing needs. Whether testing flat surfaces, small components, or irregularly shaped parts, it ensures accurate and reliable measurements.
Simple Operation with Rapid Measurement
No complex settings required — just power on and test. Results are displayed in 1 second, ideal for batch inspections and fast-paced quality control.
Built-in Multiple Metal Materials
The instrument offers a selection of built-in metal materials to meet diverse measurement needs.
Minimal Indentation for Non-Destructive Testing
Utilizing the ultrasonic contact impedance (UCI) method, the test leaves only tiny indentations, preserving the surface of precision or finished parts while delivering accurate hardness measurements.
High Accuracy with Excellent Repeatability
A stable base ensures consistent probe positioning, delivering reliable results with high accuracy and repeatability.
Multiple Hardness Scales with One-Touch Switching
Built-in HV, HRC, HRB, HB, and other common hardness scales. Easily switch scales with a single button—no manual conversions needed.
User Calibration Supported
Supports calibration with standard hardness blocks to reduce system errors and ensure accurate measurements.
Bluetooth Connectivity with Mobile App
Connects to a mobile app via Bluetooth for multi-set data storage, viewing, and sharing.
Built-in Data Storage
Stores up to 9 sets of measurement data for convenient review and comparison anytime.
Ergonomic Design for Comfortable Handling
Ergonomically shaped for a secure, comfortable grip and smooth operation—ideal for extended use without fatigue.
Ultra-low power consumption
Equipped with standard hardness block
High-definition LCD display
Qualifications and Standards
Standards for the product:
GB/T 34205-2017 Metallic materials-Hardness testing-Ultrasonic contact impedance method
GB/T 33362-2016 Metallic materials-Conversion of hardness values
JJF 1436-2013 Calibration Specification of Ultrasonic Hardness Testers
Packing
| No. | Product Name | Quantity | Unit |
| 1 | Ultrasonic Hardness Tester | 1 | Set |
| 2 | USB Data Cable | 1 | pcs |
| 3 | Standard Hardness Block | 1 | pcs |
| 4 | User Manual | 1 | pcs |
| 5 | Calibration Report | 1 | pcs |