Technical Specifications
| Measuring range | 170 HLD to 960 HLD, 17.9 HRC to 69.5 HRC |
| Measurement direction | 360°, vertical down, diagonal down, horizontal, diagonal up, vertical up |
| Hardness scale | Riley (HL), Brinell (HB), Rockwell B (HRB), Rockwell C (HRC), Rockwell A (HRA), Vickers (HV), Shore (HS) |
| Indication repeatability | 5 HLD to 4 HLD, (HLD = 760 hrs) |
| Indication error | ±5 HLD to ±3 HLD (HLD =760 hrs),Rockwell HRC: ± 0.9 to ±0.7 |
| Show | LCD, 128 in x 64 in Graphic dot matrix liquid crystal |
| Data storage | Max 600 groups (impact times 32 to 1) |
| Communication Interface | USB 2.0 |
| Battery voltage | 4.7 V to 6 V NiMH battery |
| Print function | Yes |
| Paper width | 1.75 in ± 0.01 in (44.5 mm ± 0.5 mm) |
| Continue working | About 200 hrs（ Not turn on the backlight） |
| Relative humidity | ≤90% |
| Test material | Steel and cast steel, alloy tool steel, stainless steel, gray cast steel, ductile iron, cast aluminum alloy, copper-zinc alloy (gold), copper-tin alloy (bronze), pure copper, forged steel |
| Operating temperature | Operating environment: -4 °F to 140 °F (-20 ℃ to 60 ℃),Storage temperature: -22 °F to 140 °F (- 30 ℃ to 60 ℃) |
| Weight | About 1.32 lb (600 g) |
