CHR-150TS Touchscreen Rockwell Hardness Tester with Convex Probe
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Description
Product Introduction:
The Rockwell hardness test was first proposed in 1914 by Americans S. P. Rockwell and H. M. Rockwell. Rockwell hardness is a measure of material hardness determined by the depth of plastic deformation caused by an indenter; one hardness unit corresponds to a displacement of 0.002 millimeters. In Rockwell testing, different indenters and test forces yield distinct combinations, each corresponding to a specific Rockwell scale. Three scales are commonly used, covering virtually all widely employed metallic materials.
The CHR-150TS touchscreen Rockwell hardness tester series is a next‑generation, high‑tech smart instrument capable of measuring the hardness of internal surfaces on annular, tubular, and frame‑type components, as well as the base surfaces of protruding features. It employs a closed-loop loading control system, delivering high test force accuracy and excellent repeatability and stability of readings. The housing is finished with an automotive‑grade baked‑on paint process, featuring a modern design and offering outstanding reliability, ease of operation, and reproducibility. With comprehensive functionality, one‑button operation, automatic measurement, and clear, intuitive display, it also incorporates automatic application and release of the major test force, enabling hardness testing across the full range of Rockwell scales.
Main uses and scope of application:
Surface‑hardened steels, copper and aluminum alloy sheets, strip steel, cemented carbides, as well as galvanized, chrome‑plated, and tin‑plated materials—along with various metallic materials undergoing surface heat treatment or chemical surface treatments—are all suitable for testing. This includes castings and forgings, as well as flat and cylindrical workpieces. Applications span the steel, nonferrous metals, automotive, and aerospace industries; additionally, it is used for cemented carbides, ceramics, and stainless steels. Due to its broad range of applicability, Rockwell hardness testing has become widely adopted in manufacturing, serving as a key method for quality inspection and for determining optimal machining processes. The Rockwell hardness tester is a commonly used instrument in production facilities, colleges and universities, and research institutions for conducting hardness tests and supporting teaching and research activities.
Key Functions and Features:
1. The 8-inch LCD touch display provides a clear, intuitive visualization of hardness values, converted hardness scales, test methods, test forces, brightness, initial test force hold time, total test force hold time, elastic recovery time, number of measurements, statistical data, test duration, and other key parameters of the testing process.
2. It can test the hardness of inner surfaces of annular, tubular, and frame‑type parts, as well as the bottom surfaces of boss‑type features.
3. It can display real-time force values and indentation depth curves.
4. The system features a built-in calibration function that can automatically adjust the error range to 80–120%, or perform separate calibrations for low and high values.
5. When testing curved surfaces, automatic correction is applied based on the standard surface radius.
6. It can store 100 sets of test data, allowing you to view the data at any time, as well as delete the current data or clear all test data.
7. The units of test force can be converted between each other; the conversion units are: (kgf, N).
8. Can simultaneously display: maximum value, minimum value, average value, number of tests, and product name.
9. The main interface can simultaneously display four conversion scales and allows switching among the following standards: Chinese National Standard (GB), American Standard (ASTM), and International Standard (ISO). A total of 20 measurement scales are supported for conversion, including HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRK, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HK, HBW, HS, HBS, HV, and Rm (tensile strength).
10. The screen sleep timer can be set; after a prolonged period of inactivity, the device automatically enters sleep mode, saving energy and protecting the environment.
11. The upper and lower measurement limits can be set and displayed on the main measurement interface; non‑conforming values trigger automatic alerts.
10. The operating system supports a total of 14 languages, which can be switched at will: Chinese, Traditional Chinese, English, Russian, German, French, Spanish,
Portuguese, Turkish, Czech, Japanese, Korean, Thai, Vietnamese;
11. The built-in printer can print data in real time, and an optional USB interface is available for exporting data to a USB flash drive for storage and analysis.
12. High-precision grating displacement sensors ensure measurement accuracy.
13. The maximum test height can reach 300 mm, meeting the testing requirements of a wider range of products.
14. The housing is manufactured via one‑step die‑casting, ensuring a stable, deformation‑free structure that can operate reliably in harsh environments; the automotive-grade paint finish offers superior scratch resistance.
15. We possess the capability for independent research and development, design, and manufacturing; our machines come with lifetime support for parts replacement, maintenance, and upgrades.
Technical Specifications:
| Parameter Name | Parameter Data |
| Initial test force (N) | 3 kgf (29.42 N) / 10 kgf (98.07 N), with an error of ±2.0% |
| Total Test Force (N) | 15 kgf, 30 kgf, 45 kgf, 60 kgf, 100 kgf, 150 kgf |
| Material Type Measurement | It can test the inner surfaces of annular, tubular, and frame‑type parts, as well as the base platforms of boss‑type features, among others. |
| Rockwell scale | HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HRL, HRM, HRP, HRR, HRS, HRV, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HR45Y |
| Inspection criteria | GB/T 230.1, GB/T 230.2 national standards, and JJG 112 verification procedure GB/T 2848, the original standards GB/T 3773, EN 10109, ASTM E18, and ISO 6508 |
| Test force loading method | Auto-loading, load-holding, and unloading |
| Hardness Value Conversion | The main interface can display four conversion scales simultaneously and allows switching among the following standards: Chinese National Standard (GB), American Standard (ASTM), and International Standard (ISO). A total of 20 measurement scales are supported for conversion, including HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRK, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HK, HBW, HS, HBS, HV, and Rm (tensile strength). |
| Language | 14 languages |
| Data Output | Built-in printer or USB flash drive |
| Accuracy | 0.1HR |
| Total test force holding time | 3–60 seconds can be set. |
| Initial test force holding time | 0.1–4 s can be set |
| Elastic Recovery Time | 0.2–5 s can be set |
| Hardness Indication Reading Method | 8-inch touch LCD display |
| Curve | Real-time display of force–displacement depth curves. |
| Test force conversion | Automatic |
| Load Control | Automatic |
| Z-axis lifting system control | Manual |
| Hardness Value Calibration | Automatically adjusts the error range to 80–120. |
| Arc Correction Compensation | Automatic compensation |
| Passing Judgment | Set the pass/fail threshold and perform automatic evaluation. |
| Maximum allowable height of the specimen (mm) | 300 |
| Distance from the center of the indenter to the machine body (mm) | 160 |
| Hardness tester external dimensions (mm) | 670X220X800 |
| Power supply | 220V/50HZ |
| Instrument weight (kg) | About 100 |
Standard configuration:
| Serial number | Name | Specifications | Unit | Quantity | Note |
| 1 | Diamond Rockwell indenter | HRC-3 | one | 1 | Used when testing the product |
| 2 | Carbide steel ball indenter | φ1.5875mm | one | 1 | Used when testing the product |
| 3 | Daping Test Bench | 150mm | one | 1 | Used when measuring large-diameter products. |
| 4 | Zhongping Test Platform | 60mm | one | 1 | Used when measuring small-diameter products. |
| 5 | V-shaped test stand | one | 1 | Used when measuring cylindrical products. | |
| 6 | Screw protector sleeve | one | 1 | Already installed on the lead screw. | |
| 7 | Standard Rockwell hardness blocks | HRC20-30 | one | 1 | Used when calibrating the hardness tester. |
| 8 | Standard Rockwell hardness blocks | HRC60-70 | one | 1 | Used when calibrating the hardness tester. |
| 9 | Standard Rockwell hardness blocks | HRB80-100 | one | 1 | Used when calibrating the hardness tester. |
| 10 | Weight | one | 3 | Installed inside the machine prior to measurement. | |
| 11 | Level gauge | one | 1 | Used when leveling the machine. | |
| 12 | Phillips screwdriver | one | 1 | Used when disassembling or assembling machinery. | |
| 13 | Flathead screwdriver | one | 1 | Used when disassembling or assembling machinery. | |
| 14 | Leveling screw | one | 4 | Used when leveling the machine. | |
| 15 | USB flash drive | one | 1 | Data reading usage | |
| 16 | Power cord | one | 1 | Use when the machine is powered on. | |
| 17 | Fuse | 1A | one | 2 | Backup |
| 18 | Protective layer cover | one | 1 | Use when the machine is not operated for an extended period. | |
| 19 | Sunshade | one | 1 | The machine is used after being left in direct sunlight for an extended period. | |
| 20 | Certificate of Conformity | portion | 1 | ||
| 21 | Instruction manual | portion | 1 | ||
| 22 | Packing List | portion | 1 |
| 8 | Product user manual, product certificate of conformity | 1 copy |
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