| display screen |
LCD, 128 * 64 graphic point matrix liquid crystal
|
240 * 160 dot matrix LCD
|
| Hardness system |
Richter (HL), Brinell (HB), Rockwell B (HRB), Rockwell C (HRC), Rockwell A (HRA), Victorian (HV), Shaw (HS)
|
HL、HV、HB、HS、HRA、HRB、HRC
|
| power supply |
2 AA (No. 5) ordinary alkaline batteries
|
|
| Meet the standard |
"Leeb hardness tester technical conditions" JB/T 9378-2001
|
|
| Measurement Range |
HLD(170~960)
|
HLC(170-960); HV(80-996); HB(80-683); HRC(20-69.5); HS(31.9-102.3)
|
| Measurement direction |
360 ° vertical down, diagonal down, horizontal, diagonal up, vertical up
|
|
| Applicable materials |
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
|
|
| Operating Voltage |
2 * 1.5V ordinary alkaline battery
|
|
| Working time |
About 120 hours (without backlight)
|
|
| Indication Error |
760±30HLD：±6 HLD；530±40HLD：±10 HLD
|
|
| Repeatability |
760±30HLD：6 HLD；530±40HLD：10 HLD
|
6 HL
|
