Specifications
| Measuring range | 174~900HL |
| Hardness system | HL/HB/HV/HS/σb |
| Tensile strength (steel) | 370~2000（≈106N/mm） |
| Optional impact device | D、G、C、DL、DC、D+15 |
| Measurement material | Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile iron, cast aluminum alloy, brass, bronze, copper |
| Indication repeability | ±0.5％(HL=800) |
| data storage | 10,000 average |
| Data Interface | USB |
| Minimum test Film thickness | The thinnest 3mm or thicker (G-type Sensors require a Film thickness of 10mm) |
| Weight requirements | 5Kg or more (2~ 5kg needs stable support, < 2kg workpieces need to be coupled) |
| Specimen Surface Roughness | ≤Ra10 |
| Test point requirement 1 | Radius (concave/convex) minimum 30mm or more |
| Test Point Requirements 2 | (< 30mm support ring required) |
| Test Point Requirements 3 | 5mm or more from the edge of the workpiece |
| Display | 320X240 color screen display |
| Power | 2 AA batteries |
| Allowable Operating Temperature | -20~+50℃ |
| Dimensions | 133*75*29mm |
| Weight | 0.26Kg (including battery) |
Packing list
Host x1, Standard Richter Hardness Block with Certificate x1, Brush x1, Small Support Ring x1, Charger x1, Software and Cable x1, Random Data x1
After-sales instructions
Warranty days: 760 days
1. After-sales service is provided by the original factory;
2. The whole machine is guaranteed for two years, and wearing parts and consumables are not covered by the warranty (such as probes, LCD screens, casings, small support rings, etc.);
3. The following two situations need to be repaired for a fee:
A. It is used under normal conditions, and there is a failure, but it has been exceededtwoannual warranty;
B. Use under abnormal circumstances, including man-made physical damage, failure to operate in accordance with the instructions and precautions.
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/27633/Specification.html , which is only used by users who purchase commodities from the NBCHAO.