HARD ECHO, a Japanese steel quenching layer depth measuring instrument, SH-67 ultrasonic surface quenching layer thickness measuring instrument. HAED ECHO uses the principle of ultrasonic waves to induce the difference in crystal particles between the surface hardening layer and the base material layer through scattered echoes, and measures the depth of the hardened layer of the workpiece without damaging the workpiece itself. A groundbreaking measuring device that displays measurement results using numbers. By selecting the appropriate probe and measurement conditions based on the measured workpiece, the interface between the hardened layer and the base material layer can be clearly identified, thereby achieving high-precision measurement.
Japanese Kobe Steel Quenching Layer Depth Tester


Introduction to SH-67 Ultrasonic Surface Quenching Layer Thickness Gauge:
The SH-67 ultrasonic surface hardening layer thickness gauge HAED ECHO uses the principle of ultrasonic waves to induce the difference in crystal particles between the surface hardening layer and the base material layer through scattered echoes, and measures the depth of the hardened layer of the workpiece without damaging the workpiece itself. A groundbreaking measuring device that displays measurement results using numbers. By selecting the appropriate probe and measurement conditions based on the measured workpiece, the interface between the hardened layer and the base material layer can be clearly identified, thereby achieving high-precision measurement.
The purpose of SH-67 high-frequency quenching hardening layer depth measuring instrument is:
1. High frequency quenching and hardening components. Automotive parts, construction machinery parts, machine tool parts, internal combustion engine parts, agricultural machinery parts, other industrial machinery parts
2. Measure the thickness of the meat.
3. Measurement of different metal bonding interfaces.
4. Measurement of remelting depth of aluminum alloy castings.
Characteristics of SH-67 Ultrasonic Surface Quenching Layer Thickness Gauge:
1. High sensitivity can measure depths above 0.7mm. Injecting ultrasonic waves obliquely into the transverse wave mode achieves high sensitivity to the material structure of the workpiece.
2. Can achieve high-definition data reading. A high-frequency and high-resolution focusing probe was selected, which enables clear and precise identification of the interface between the hardened layer and the base material layer.
3. The stabilization of ultrasonic propagation on workpieces has been achieved. Due to the use of a water immersion method, the ultrasonic waves emitted from the workpiece material are more stable and can be measured on the quenched surface state.
4. Easy to operate. The newly developed sealed local water immersion support enables measurement operations to be carried out even when the workpiece is in a stacked state.
5. Stable measurements can be conducted. The use of locally immersed supports that fit the surface shape of the workpiece can ensure good fit and achieve high-precision stable measurement.
6. Manual scanning can be achieved, and single axis scanning can also be linked. Combining location information can display the shape of the quenched section.
Technical parameters of the high-frequency quenching SH-67 quenching hardening layer depth measuring instrument:
Measurement object: depth of high-frequency quenching hardening layer, measurement range: 0.7-15mm, measurement resolution: 0.1mm, measurement reducibility: ± 0.1mm, scanning interface: scanning, communication interface: PS-232C interface
Technical parameters of SH-67 ultrasonic surface quenching layer thickness gauge:
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SH-67 project |
Ultrasonic surface quenching layer thickness gauge HARD ECHO (SH-67) | Performance of quenching layer thickness gauge |
SH-67 Broken Fire Layer Thickness Gauge |
Measurement object |
High frequency quenching hardening layer | Quenching layer thickness gauge |
Measurement range |
Ultrasonic surface quenching layer thickness gauge measuring range 0.7-15mm |
Measure resolution |
0.1mm |
Determination of reducibility |
±0.1mm |
Scan interface |
Scan (optional) |
communication interface |
RS-232C interface |
Ultrasonic quenching layer thickness gauge flaw detection device place |
sensitivity |
Above 86dB (5MHz narrowband) |
Range of gain adjustment |
Total 10dB, adjustment unit 0.1dB |
Receive amplification center frequency |
1、2、5、10MHz、 Ultra wideband: 0.4-14.3MHz |
Measurement range |
Conversion of longitudinal waves in steel 1-14500mm |
Horizontal line error |
Screen display ± 1% |
Use power supply (AC) |
50-60Hz±3Hz |
battery |
lithium battery |
Battery aging |
One takes about 5 hours, and two takes about 10 hours |
ambient temperature |
0 ℃ -45 ℃ (working temperature) -20 ℃ -65 ℃ (storage temperature) |
monitor |
6.4-inch TFT color LCD screen |
Dimensions (mm) |
175H*270W*98D |
weight |
About 3.5kg |
Japanese Kobe Steel Quenching Layer Depth Tester