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| Categories | Portable Hardness Tester | 
|---|---|
| Place of Origin: | China | 
| Brand Name: | AJR | 
| Model Number: | AJH600 | 
| Company Info. | 
| AJR NDT CO., LIMITED | 
| View Contact Details | 
| Product List | 
Features
Operating Principle
The impact body, which is equipped with tungsten carbide, impact velocities are measured at the 1mm point from the work piece in the following way: the integrated permanent magnet will produce directly proportional voltage with the impact velocity. The Leeb hardness values are calculated by the following formula:
HL=VB/Va x 1000
Specifications
| Display Type | 1.77 inch OLED with resolution 160x128 pixels | 
| Hardness Scale | HL, HB, HRB, HRC, HV, HS. σb. | 
| Measuring Range | HLD(200-960), HRC(19.8-68.5), HB(30-651), HV(80-976), HS(26.4-99.5), HRB(13.5-100), σb(375-2639) | 
| Impact Device | D type Impact device(standard); optional DL type impact device | 
| Accuracy | ±6HLD (HLD=800), Repeatability ﹤6HLD (HLD=800) | 
| Measuring Direction | 360 degree by manual setting | 
| Material | Steel & Cast Steel, Stainless Steel, GC IRON, NC IRON, Cast Aluminum Alloy, Macht Metal, Copper-tin Alloy, Brass, Forged Steel | 
| Resolution | 1HL, 1HV, 1HB, 0.1HRB, 0.1HRC, 0.1HS | 
| Calibration | Automatic | 
| Language | English | 
| Memory | 1000 groups, each group include 6 testing result and 1 average value | 
| Communication | USB port, used for recharging and data transmission | 
| Software | VIEW Software for transmission, storage, and printing | 
| Power | AAA Polymer lithium battery ,Capacity of 600 MA/H, voltage: 3.7 V, warning under low voltage | 
| Instrument Shut-off | AUTO OFF after 3 minutes of inactivity | 
| Temperature | -10℃~ +50℃ | 
| Net Weight | 110g with D type impact device,125g with DL type impact device | 
| Size | 150mm*46mm*23mm | 
| Standard | GB/T 17394-1998, ASTM A956 | 
Standard Accessories
| No. | Item | Quantity | |
| Standard | 1 | Main body | 1 | 
| 2 | D type impact device | 1 | |
| 3 | Test block with HLD value | 1 | |
| 4 | Data View Software | 1 | |
| 5 | USB Communication Cable | 1 | |
| 6 | Small Supporting Ring | 1 | |
| 7 | Recharger | 1 | |
| 8 | Cleaning brush (I) | 1 | |
| 9 | Instruction manual | 1 | |
| 10 | Warranty card | 1 | |
| 11 | Certificate of conformity | 1 | |
| 12 | Instrument box | 1 | |
| Optional | 13 | DL Impact Device | 
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