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ABS Engineering Plastic Digital Hardness Tester Applying For Different Metal

Mitech CO.,LTD.
Mitech CO.,LTD.
City: Beijing
Province/State: Beijing
Country/Region: China
Tel: 86-10-5885-8658
Contact Person:Ms Lareina Lee

ABS Engineering Plastic Digital Hardness Tester Applying For Different Metal

Brand Name : Mitech
Model Number : MH100
Certification : CE,GOST,ISO..
Place of Origin : Beijing,China
MOQ : 1 set
Payment Terms : Western Union, T/T, Paypal
Supply Ability : 500 sets per month
Delivery Time : 3-5 days after paid
Packaging Details : ABS instrument in the box
Working time : about 200 hours(with default brightness)
Main unit weight : 80g
Total weight : 4.0KG
Min depth for harden layer : D≥0.8mm;C≥0.2mm
Shell meterial : ABS engineering plastic
Power supply : 5V/500mA;recharge for 2.5~3.5 h
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Mitech Portable Hardness Tester MH100 applied different metal materials different from Ultrasonic Hardness Tester

MH100 Portable hardness tester Overview

MH100 Portable hardness tester based on the principle of Leeb hardness testing theory. With the delicate design,unique style,it can measure the Leeb hardness of all metallic materials.It has high-contrast Segment LCD ,easy to use.Also support Steel ,when using D sensor to test steel,it can show HB directly. The storage is large : 100 groups (impact times 32 ~ 1) hardness measurements, each set of data includes single testing value,average value, measurement date / time, impact direction, frequency, material, hardness, and other information.

Real-time display the remaining battery power, charging progress is displayed while charging.USB interface to PC for data communicationData processing software can do transmission measurements, the measured value storage management, statistical analysis of the measured value, the measured value of the print report and batch set the instrument parameters .Integrated compact design, small size, portable, highly integrated, stable and reliable performance, suitable for harsh environment field operations, prevent from vibration, shock and electromagnetic interference.

Working Principle

The energy quotient is quoted in the hardness unit HL and is calculated from comparing the impact and rebound velocities of the impact body. It rebounds faster from harder samples than from softer ones, resulting in a greater energy quotient which is defined as 1000×Vr/ Vi.

HL=1000×Vr/ Vi

Where:

HL— Leeb hardness value

Vr — Rebound velocity of the impact body

Vi — Impact velocity of the impact body

Operating Method and Attentions

  • Start-Up
  • Press the power key to start up the instrument. The instrument then comes into working mode.
  • Loading
  • Pushing the loading-tube downwards until contact is felt. Then allow it to slowly return to the starting position or using other method locking the impact body.
  • Localization
  • Press the impact device supporting ring firmly on the surface of the sample, the impact direction should be vertical to the testing surface.
  • Testing

-Press the release button on the upside of the impact device to test. The sample and the impact device as well as the

operator are all required to be stable now. The action direction should pass the axis of the impact device.

-Each measure area of the sample usually need 3 to 5 times of testing operation. The result data dispersion should not

more than mean value±15HL.

-The distance between any two impact points or from the center of any impact point to the edge of testing sample

should conform to the regulation of Table 4-1.

-If want accurate conversion from the Leeb hardness value to other hardness value, contrastive test is needed to get

conversion relations for the special material. Use inspection qualified Leeb hardness tester and corresponding

hardness tester to test at the same sample respectively. For each hardness value, each measure homogeneously 5

points of Leeb hardness value in the surrounding of more than three indentations which need conversion hardness,

using Leeb hardness arithmetic average value and corresponding hardness average value as correlative value

respectively, make individual hardness contrastive curve. Contrastive curve at least should include three groups of

correlative data.


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digital hardness tester

      

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