MH660 digital portable hardness tester | Leeb hardness tester | Rockwell hardness tester | Brinell hardness tester

MH660 digital portable hardness tester | Leeb hardness tester | Rockwell hardness tester | Brinell hardness tester

9800 CNY (1426.91USD)

add to cart

Product parameters:

  • Brand: MiTeCH/Mattel
  • Model: MH660
  • Product type: Leeb hardness tester
  • Measuring range: 000
  • Test force: 0
  • Customized processing: Yes


Product overview

MH660 portable hardness meter is Mattel's latest upgrade, which focus more on the user experience and innovation. 320x240 color liquid crystal display screen, Dim and the Sun strong environment can also show you clear measurements, greatly enhanced the visual experience; Sealed metal housing design, small size, high quality, designed to resist harsh field environment of oil, dust and design; Unique Multipoint Calibration function, convert curve point can be adjusted to reduce measurement error; Measuring instrument automatically recognizes direction and meet efficient acquisition precision of multi-angle material hardness testing needs, supports a wide range of hardness between freely; Low-power design powered by two AA, fifth battery, Bluetooth communications can be achieved, switch version supports multiple languages. Is widely used in the metal processing and manufacturing, special equipment or permanent failure analysis of components in service, inspection and other fields. Particularly suitable for large on-site hardness testing no removable parts. Is to increase the production rate and cost savings necessary professional precision instrument.

Functional use

Mold cavity
Bearings and other parts
Pressure vessel failure analysis of turbo-generator unit and its equipment
Heavy workpieces
Installed machinery, or Permanent Assembly parts
Test space very narrow workpieces
Request test results with a formal record
Metal warehouse material of distinction
Large workpiece measured within the much larger part of rapid HIV testing

Working principle

Provides quality shocks under the elastic to a certain speed of impact specimen surface, punch in 1mm from the sample surface of rebound speed speed ratio calculation of hardness and impact value. The formula is as follows:

Calculation method: HL=1000xVB/VA

In the formula: HL--hardness value

VB--impact of rebound speed

VA--impact body impact speed

Working conditions

Ambient temperature: operation temperature:-10 ℃ ~ + 50 ℃
Storage temperature:-30 ℃ ~ + 60 ℃
Relative humidity: ≤ 90%
Environment no strong vibration, does not have a strong magnetic field, no corrosion and serious dust

Characteristics of the instrument

Based on hardness measurement principle for various metallic materials-hardness and strength tests
Adapter 6 types of impact devices; Automatically identifies impact devices types and replaced without needing to recalibrate the automatic impact device (connect, disconnect, failure status)
Automatic identification of the impact direction (except G-shock device), 360 ° Omni-directional free measurement
320x240 true color screen TFT LCD screen, information-rich, intuitive, clear, adjustable brightness, easy use in a dimly lit environment and strong sunlight
Basic (single) original calibration and multi-point calibration function, convert curve point can be adjusted to reduce the measuring error
Measurement results can be converted to a magnitude (HL), Brinell (HB), Rockwell b (HRB), Rockwell c (HRC), Rockwell (HRA) and Vickers (HV), shore (HS)
Leeb hardness conversion functionality built-in, achievable HLD to HLC, HLG, HLDL, conversion between HLD+15, instrument calibration and measurement conversion
Can be preset on the hardness, limit out of range alarm, convenient batch testing needs
Chinese and English switch, menu-driven operation, easy to use, easy to
Can store 1000 Group (impact and number of 32~ 1) hardness measurement of data, each set of data including single measurement values, the average measurement date/time, impact direction, frequency, material, hardness and other information
Two common, 5th battery, can work continuously for not less than 300 hours; With automatic screen standby, sleep, energy-saving features such as automatic shutdown
Bluetooth communication with the field-portable micro-printers, convenient to generate data reports
Equipped with USB interface, with PC-side data processing software, transmission measurement, storage management, statistical analysis, rich functions such as generate measurement reports
Sealed aluminum-magnesium alloy metal casing, small, portable, high reliability, specifically designed for harsh field environments, durability, unique sealing design enables it to withstand wet from the ocean to the hostile environment of the desert, sand, dust, oil and other contamination
Overall dimensions: 120mmx67mmx31mm

Operation methods and points for attention

Methods of measurement
Measurement before the first use of hardness test block for random testing of instruments, the indication error and repetition should not exceed specification requirements of table 2.
Start
Impact impact device socket of the device plugged into the right side of the instrument. Press "on/off" button, at this time the power is switched on, the instrument enters the measuring State. Loading
Push the load lock down the impact body; DC impact device, can be loaded on the test surface, insert the DC impact device loaded, until the stop position at this time is finished loading.
Positioning
Impact device supporting ring according to the selected measuring fast on the surface, the impact should be perpendicular to the test surface.
Measurement
Press the release button at the top of percussive machine, were measured. Request samples, impact device, the operator is stable, and force should be directed through the impact device axis.
General conduct five tests for each portion of the sample. Data should not exceed the average of 15HL.
Between two arbitrary indentation distance or a centre of indentation from the specimen edge distance should conform to the specifications in table 3. For certain materials, Leeb hardness value to be accurately converted into other hardness value comparison test must be done to get the corresponding score. By: standards by Leeb hardness tester and respectively in the hardness test on the same sample, for each a hardness value in more evenly distributed around the conversion of hardness indentation is needed in the determination of hardness values, average hardness and hardness on the Richter scale respectively as the corresponding value, hardness comparison curves. Contrast curves should include at least three groups correspond to the data.
Read the measuring value
More effective tests for average hardness testing data.
Leeb hardness hardness values are shown before the symbol HL, HL behind impact device types are shown. Such as 780HLD d impact device for the determination of hardness value of 780. For Leeb hardness conversion of hardness, hardness of Leeb hardness before the symbol, together with the corresponding symbol. For example 420HVHLD indicates that d-type Leeb hardness conversion impact device for the determination of hardness values was 420. Note Replace the impact device must be in the off State, you cannot automatically identifies impact devices types, and may also cause damage to the circuit board.
Under normal circumstances, has failed to meet the set number of shocks cannot store the current measured value. If you want to store, press the "average"-end measure in advance and then stored.
Press the "average" premature closing of the key measurements, "system settings" menu in the "auto save" and automatically transmit data "function does not work.
Only the d and DC strength measurement function impact device, so when using other types of impact devices, will not be able to modify the "stiffness/strength" settings, if you use the D/DC impact device for "strength", and replaced by other impact devices, "stiffness/strength" setting is automatically changed to "hardness".
When set to "intensity" measurement, will not be able to set degree of hardness (the cursor from the "hardness" skip on).
Not all material can be converted to all hardness and change the material hardness will automatically revert to Leeb HL. So when setting the measurement conditions to set up "material", and then set the "hardness".

Instrument care and maintenance

Impact devices maintenance
After using 1000-2000, use a nylon brush clearing catheters that impact devices and the impact body, cleaning catheters, support ring and screw down, then remove the impact body, nylon brush with counterclockwise into the tube, pull out after, and repeat 5 times, then the shock body and supporting ring put on
After use, impact should be released
Impact device must not be used within a variety of lubricants storage should stay away from vibrations, strong magnetic fields, corrosion, damp, dust, should be stored at room temperature