HRM-45Z Fully Automatic Surface Rockwell Hardness Tester
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Description
Product Introduction:
The HRM‑45Z fully automatic Rockwell hardness tester series represents a new generation of advanced, intelligent equipment. It features a closed-loop load control system, delivering high test force accuracy and excellent repeatability and stability of readings. The housing is integrally cast and finished with an automotive‑grade baked paint process, offering a modern design and ensuring outstanding reliability, ease of operation, and reproducibility. With comprehensive functionality and one‑button operation, it enables fully automated measurements and provides clear, intuitive display. Equipped with automatic application and removal of test force, it supports hardness testing across the entire Rockwell scale range. Optional accessories include an XY‑axis automatic stage for automated programming and point‑by‑point measurement, ideal for end‑quench testing; as well as a PC interface that allows remote control and data acquisition, along with statistical analysis and report generation. Customized test reports can also be tailored to meet specific user requirements. This system achieves fully automated operation, eliminating human error in handling and reading. Additionally, the unit is fitted with an emergency stop device.
Main uses and scope of application:
Surface‑hardened steels, copper and aluminum alloy sheets, strip steel, cemented carbides, as well as galvanized, chromium‑plated, and tin‑plated materials—along with various metallic materials undergoing surface heat treatment or chemical surface treatments, and castings and forgings of both flat and cylindrical shapes. These are widely used in the steel, nonferrous metals, automotive, and aerospace industries, as well as in applications involving cemented carbides, ceramics, and stainless steels. Due to its broad range of applicability, Rockwell hardness testing has become extensively adopted in manufacturing, serving as a key method for assessing product quality and establishing optimal machining processes. The Rockwell hardness tester is a commonly employed instrument in production facilities, 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 view of the hardness value, converted hardness, test method, test force, brightness, initial test force hold time, total test force hold time, elastic recovery time, number of measurements, statistical data, test duration, and other parameters.
2. 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.
3. When testing curved surfaces, automatic correction is applied based on the standard surface radius.
4. 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.
5. The units of test force can be converted between each other; the conversion units are: (kgf, N).
6. Can simultaneously display: average value, number of tests, and product name.
7. 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 can be converted, including HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRK, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HK, HBW, HS, HBS, HV, and Rm (tensile strength).
8. You can set the screen timeout; after a prolonged period of inactivity, the display will automatically enter sleep mode, saving energy and protecting the environment.
9. The upper and lower measurement limits can be set and displayed on the main measurement screen; non‑conforming values trigger automatic alerts.
10. The operating system supports 14 languages, which can be switched at will: Chinese, Traditional Chinese, English, Russian, German, French, Spanish, Portuguese, Turkish, Czech, Japanese, Korean, Thai, and Vietnamese.
11. Equipped with a built-in printer; test data can also be exported via USB to a USB flash drive for storage and analysis.
12. The cast housing features a one-piece, integral structure that remains stable and deformation‑free; its pure white baked finish exudes high quality and offers excellent scratch resistance, keeping it looking as good as new even after years of use.
13. Our company possesses the capability to independently research, design, and manufacture products. We provide lifetime support for spare parts replacement and maintenance upgrades.
Technical Specifications:
| Parameter Name | Parameter Data |
| Initial test force | 3 kgf (29.42 N) Permissible tolerance ±2.0% |
| Total test force | 15kgf (147.1N) 30kgf (294.2N) 45kgf (441.3N) |
| Measuring scale | HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HE45Y |
| Meets the standard | GB/T 230.1, GB/T 230.2 national standards, and JJG 112 verification procedure GB/T 2848, the original GB/T 3773 standard, EN 10109, ASTM E18, ISO 6508 |
| Convert units | Brinell, Rockwell, Vickers |
| Conversion standard | ASTM, ISO, GBT |
| Hardness display | 8-inch color touchscreen |
| Display Precision (HR) | 0.1 |
| Hold time | 3–60 seconds can be set. |
| Test force conversion | Automatic |
| Load Control | Automatic |
| Z-axis lifting system control | Automatic |
| Z-axis lifting method | Jog lift, automatic lift, one-key test |
| Hardness Value Calibration | √ |
| Arc Correction Compensation | √ |
| Test force compensation | √ |
| Passing Judgment | √ |
| Data Statistics | Automatically calculates the maximum value, minimum value, average value, maximum error, number of tests, and more. |
| Data Output | Printer, communication interface, PC |
| Maximum specimen height (mm) | 270 |
| Distance from the indenter to the machine (mm) | 160 |
| External dimensions (mm) | 560X210X810 |
| Power supply | 220V/50HZ |
| Weight (kg) | 100 |
Standard configuration:
| Serial number | Name (Specification) | Quantity |
| 1 | Diamond Rockwell indenter, φ1.5875 mm cemented carbide indenter | 1 each |
| 2 | Large flat test stand, medium flat test stand, “V”-shaped test stand | A total of 3 pieces |
| 3 | HR30T, HR30N, HR15N hardness blocks | A total of 3 pieces |
| 4 | Fuse 2A | 2 pieces |
| 5 | Power cord | 1 root |
| 6 | USB flash drive | 1 item |
| 7 | Dust-proof plastic cover, printer paper, | Each 1 |
| 8 | Product user manual, product certificate of conformity | 1 copy |
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