Specifications
| Measurement range | 170~960HLD |
| Measurement direction | Support vertical down, diagonal down, horizontal, diagonal up, vertical up, can be automatically recognized |
| Error of indication | ±6HLD |
| Indication Repeatability | ±6HLD |
| Measurement material | Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, ductile cast iron, cast aluminum alloy, copper zinc alloy (brass), copper tin alloy (bronze), pure copper, forged steel |
| Hardness system | HL/HB/HRC/HRB/HRA/HV/HS |
| Impact energy | 11mJ |
| Impact device | D型5.5g/7.2g |
| Ball Hardness | 1600HV |
| ball head diameter | D3mm |
| Ball head material | Tungsten carbide |
| Average surface asperity of specimen | D型1.6μm；C型0.4μm |
| Minimum depth of hardened layer | D型≥0.8mm；C型≥0.2mm |
| Protection level | IP65 |
| Display | True color large screen 320 × 240 TFT LCD screen |
| Data storage | Can store 500 sets (Impact times 32~ 1) Hardness measurement data |
| Adjustment | Single point calibrated and multi point calibrated |
| Interface | Connect to computer to print |
| Power Supply | 3V (2 AA size alkaline batteries in series) |
| Power Supply | Powered by two ordinary AA batteries |
| Working time | Approximately 100 hours (at default luminance) |
| Communication interface | USB 1.1 interface |
| working language | Free switching between Chinese and English |
| Shell material | ABS engineering plastics |
| Dimensions | 150*76*38mm |
| Machine Weight | 5KG |
| PC software | Yes. |
| Impact device | D type |
Packing list
Instrument host x1, USB cable x1, software x1, standard Richter Hardness block x1, manual x1, AA alkaline battery x2, D-type Impact device x1, nylon brush x1, small support ring x1, instrument case x1
After-sales instructions
Warranty days: 365 days
[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/7827/Specification.html , which is only used by users who purchase commodities from the NBCHAO.