1.1 product characteristics
L according to Leeb hardness measuring principle, the detection of multiple materials.
L use of large-screen 1 6 0 * 8 0 graphic dot matrix LCD, information-rich and intuitive.
• Chinese display, menu-driven operation, the operation is simple and convenient.
• White backlit display, convenient for use in dimly lit environments; With a USB interface,
Easy and fast data exchange with p c machine and parameter setting.
L a host with 7 different impact device use, automatically identifies impact devices types,
Replacement without recalibration.
Storage maximum 5 0 0 group l (number of shocks 32~1) hardness measurement of data, each set of data
Including single measurement values, average, measurement date, impact direction, frequency, materials,
Hardness and other information.
L can be pre-set on the hardness, limit out of range alarm, convenient
Measurement needs.
• The remaining battery indicator icon on the LCD, real-time display of battery charge remaining. With
Value software calibration.
• Support ' forged steel (s t e e l) ' material, when used D/D c impact device testing ' forge
Steel sample can be directly read HB values without manual look-up table.
L is equipped with a microcomputer software, transmission measurement, measurement of storage management, measurement and statistics
Analysis, measurement of print reports, rich features such as bulk set the instruments parameters to meet the quality
Higher requirements for assurance activities and management.
• Professional, beautiful shell, compact, portable, high reliability, suitable for harsh
Operating environment, anti-vibration, shock and electromagnetic interference;
L power supply section 4 a (fifth) dimension ordinary alkaline batteries, allows for continuous
Not less than 50 hours; Has auto sleep, energy-saving features such as automatic shutdown;
Overall dimensions: 1 5 0 * 8 0 * 3 8 m m
1.2 the main purpose and scope of application
1.2.1 main uses
• Mold cavity.
L bearing and other parts.
• Pressure vessels, failure analysis of turbo-generator unit and its equipment.
• Heavy workpieces.
L installed machinery or Permanent Assembly.
L space very narrow workpieces.
• Request a formal record the test results.
• Metal warehouse material of distinction.
L large workpiece measured within the much larger parts of the rapid test.

Table 1 configuration:
1.4 working condition
Ambient temperature: operation temperature -20~+60 ° c; Storage temperature:-30 ℃ ~ + 60℃
Relative humidity< 9 0 %;
Environment no strong vibration, does not have a strong magnetic field, no corrosion and serious dust.
2. structure and working principle
2.1 working principle
Provides quality shocks on elastic force
Below a certain speed of impact specimen surface,
From the specimen surface with a punch at 1mm
Rebound ratio of speed and velocity meter
A hardness value. formulae such as the right:
1.3 specifications
Name amount notes
1 host 1
Impact device 2 d 1
3 standard hardness block 1
4 nylon brush a 1
5 small support ring 1
6 AA (5th) size alkaline battery 4
7 manual 1
8 aluminum case 1
9 data transfer software 1 set
10 USB cable 1
Select configuration
B g 11 nylon brush used when impact device
12 special impact device and support rings found in Schedules 3 and 4
Standard configuration
Serial number
13 metal hardness test method 1 GB/717394-1998