1、 (WiFi) Digital Leeb Hardness Tester TIME5351- Product Overview:
The (WiFi) digital Leeb hardness tester TIME5351 adopts a brand new design with a novel appearance, ultra-thin body, easy to hold, and good craftsmanship. 3.5-inch large screen LCD display, 320 × 480 color * * dot matrix, beautiful fonts and graphics, rich and clear information. Equipped with 3-level brightness adjustment for display screen backlight and direct button operation, suitable for testing environments with different brightness levels. The Leeb hardness tester has a fully Chinese display, menu based operation, few buttons, and simple and convenient operation.
2、 (WiFi) Digital Leeb Hardness Tester TIME5351- Features:
●The appearance is newly designed, with a novel shape, ultra-thin body, easy to hold, and good craftsmanship.
●3.5-inch large screen LCD display, 320 × 480 color * * dot matrix, beautiful fonts and graphics, rich and clear information.
●Equipped with 3-level brightness adjustment for display screen backlight and direct button operation, suitable for testing environments with different brightness levels.
●Full Chinese display, menu style operation, few buttons, simple and convenient operation.
●All display interfaces have operation prompts for easy operation.
●Built in lithium-ion rechargeable battery and charging control circuit, no memory effect, easy charging, long lifespan.
●It has the function of automatically identifying common impact directions (except for G-type impact devices). Adopting a digital impact device, it can be equipped with all 7 types of probes, with automatic identification of probe types, and does not require recalibration when replacing.
●This machine can store 200 sets of measurement data, including single measurement value, average value, measurement date, impact direction, frequency, material, hardness, and other information.
●Equipped with a MicroSD card interface, standard configuration 8GB, * expandable up to 32GB MicroSD card (hereinafter referred to as SD card) is used to store measurement data, meeting users' massive storage needs. The data on the SD card can be directly read on the computer, making it convenient and fast.
●The upper and lower limits of the hardness value can be pre-set, and an automatic alarm will be triggered if it exceeds the range, which is convenient for users to test in batches.
●The main display interface has information content such as date, time, memory information, battery information, electronic column, out of tolerance prompt, impact device type, operation prompt, etc., which is convenient and practical.
●Equipped with a USB interface, it can upload data to the upper computer, print measurement data with an external micro printer, and perform various functions such as charging.
●By using a microprinter, any number of test results can be printed.
●According to user requirements, upper computer software can be equipped, and local measurement data can be transmitted to the upper computer in Microsoft Word or Excel format, meeting higher requirements for quality assurance activities and management.
●Equipped with software calibration function for indication.
●With the "Steel" material, when testing the "Steel" specimen with a D/DC type impact device, the HB value can be directly read, eliminating the trouble of manually checking the table.
●It can be switched to a foreign hardness conversion table as a reference for hardness conversion.
●Using WiFi technology to achieve wireless transmission.
●Cloud transmission, synchronizing data between computers and tablets.
●You can access data anytime, anywhere.
3、 (WiFi) Digital Leeb Hardness Tester TIME5351- Applicable Standards:
JB/T 9378 Chinese Machinery Industry Standard Leeb Hardness Tester
GB/T 17394 National Standard of the People's Republic of China Metal Leeb Hardness Test Method
JJG747 National Metrological Verification Regulations of the People's Republic of China Leeb Hardness Tester
Main purpose and scope of application:
Installed mechanical or long-term assembly components.
Mold cavity.
Heavy duty workpieces.
Failure analysis of pressure vessels, steam turbine generators and their equipment.
A workpiece with a very narrow experimental space.
Bearings and other components.
Classification of materials in metal material warehouses.
Rapid inspection of multiple measurement points on a large scale of large workpieces.
| Testeable hardness system | HL、 HRC、HRB、HRA,HV、HB、HS |
| Indication error and indication repeatability | D-type impact device ± 6HLD, 6HLD see Table 2 for details |
| Standard impact device | D-type impact device (see Appendix Table 1 for details) |
| Setting the measurement range for upper and lower limits | (170~960)HLD |
| Optional impact device | Digital impact device D/C/DC/D+15/DL/G |
| contact method | USB 2.0, MicroSD card interface, * MicroSD card with a large external expansion capacity of 32GB |
| text description | Full Chinese menu |
| screen display | 3.5-inch large screen LCD display, 320 × 480 color * * dot matrix with backlight and adjustable contrast |
| Testing direction | 360° |
| data storage | This machine can store 200 sets of test data, and the extended SD card supports 32GB |
| Identification function | Automatic recognition of impact device type function |
| Quantity of testing materials | Details of 10 types (with added stainless steel) can be found in Table 1 of the attachment; |
| Working Voltage | 3.7V |
| Charging time | Charging for 5 hours, sustainable operation for 12 hours |
| charging power supply | 5V500mA |
| Overall dimensions | 148.6×81.8×22.5mm |
| weight | The host weighs about 200g |
Standard configuration:
1 host; One dedicated digital D-type impact device for Time Company; 1 small support ring;
1 nylon brush; 1 high-value Leeb hardness block; 1 data cable;
1 charger; MicroSD card
Optional configuration:
Nylon brush (II) (when purchasing G-type impact device);
USB interface micro printer; Upper computer software CD;
Various irregular impact devices and support rings;
Test Scope (Appendix 1)
| material | Hardness system | Impact device | |||||
| D/DC | D+15 | C | G | E | DL | ||
| Steel and cast steel Steel and cast steel |
HRC | 17.9~68.5 | 19.3~67.9 | 20.0~69.5 | - | 22.4~70.7 | 20.6~68.2 |
| HRB | 59.6~99.6 | - | - | 47.7~99.9 | - | 37.0~99.9 | |
| HRA | 59.1~85.8 | - | - | - | 61.7~88.0 | - | |
| HB | 127~651 | 80~638 | 80~683 | 90~646 | 83~663 | 81~646 | |
| HV | 83~976 | 80~937 | 80~996 | - | 84~1042 | 80~950 | |
| HS | 32.2~99.5 | 33.3~99.3 | 31.8~102.1 | - | 35.8~102.6 | 30.6~96.8 | |
| Steel forged steel | HS | 32.2~99.5 | - | - | - | - | - |
| CWT、ST alloy tool steel |
HRC | 20.4~67.1 | 19.8~68.2 | 20.7~68.2 | - | 22.6~70.2 | - |
| HV | 80~898 | 80~935 | 100~941 | - | 82~1009 | - | |
| Stainless steel stainless steel |
HRB | 46.5~101.7 | - | - | - | - | - |
| HB | 85~655 | - | - | - | - | - | |
| HV | 85~802 | - | - | - | - | - | |
| GC. IRON gray cast iron |
HRC | - | - | - | - | - | - |
| HB | 93~334 | - | - | 92~326 | - | - | |
| HV | - | - | - | - | - | - | |
| NC、IRON ductile cast iron |
HRC | - | - | - | - | - | - |
| HB | 131~387 | - | - | 127~364 | - | - | |
| HV | - | - | - | - | - | - | |
| C.ALUM cast aluminum alloy |
HB | 19~164 | - | 23~210 | 32~168 | - | - |
| HRB | 23.8~84.6 | - | 22.7~85.0 | 23.8~85.5 | - | - | |
| BRASS copper-zinc alloy |
HB | 40~173 | - | - | - | - | - |
| HRB | 13.5~95.3 | - | - | - | - | - | |
| BRONZE Copper Tin (Aluminum) Alloy | HB | 60~290 | - | - | - | - | - |
| COPPER Pure Copper | HB | 45~315 | - | - | - | - | - |
Indication error and indication repeatability (Appendix 2)
| serial number | Type of impact device | Standard Leeb hardness block hardness value | indication error | indication repeatability |
| 1 | D | 760±30HLD 530±40HLD |
±6 HLD ±10 HLD |
6 HLD 10 HLD |
| 2 | DC | 760±30HLDC 530±40HLDC |
±6 HLDC ±10 HLDC |
6 HLD 10 HLD |
| 3 | DL | 878±30HLDL 736±40HLDL |
±12 HLDL | 12 HLDL |
| 4 | D+15 | 766±30HLD+15 544±40HLD+15 |
±12 HLD+15 | 12 HLD+15 |
| 5 | G | 590±40HLG 500±40HLG |
±12 HLG | 12 HLG |
| 6 | E | 725±30HLE 508±40HLE |
±12 HLE | 12 HLE |
| 7 | C | 822±30HLC 590±40HLC |
±12 HLC | 12 HLC |
