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Shenzhen Linshang Technology Co., Ltd.

3/12/2022      Page 1 of 8 

 

 

 

 

 

 

 

LS251D 

Leeb Hardness Tester 

User Manual V1.3 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Please read this manual carefully before using and reserve it for reference. 

 

 

Содержание LS251D

Страница 1: ...Shenzhen Linshang Technology Co Ltd 3 12 2022 Page 1 of 8 LS251D Leeb Hardness Tester User Manual V1 3 Please read this manual carefully before using and reserve it for reference ...

Страница 2: ...ockwell HRC and tensile strength σb The instrument adopts an impact device D suitable for assessing the hardness of common metal materials Standards for the product GB T 13794 1 Metallic materials Leeb hardness test Part 1 Test method GB T 13794 2 Metallic materials Leeb hardness test Part 2 Verification and calibration of hardness tester GB T 13794 2 Metallic materials Leeb hardness test Part 3 C...

Страница 3: ...hardness scales to switch no more tedious manual check table 4 QC inspection the tester can set upper and lower limits to determine whether the incoming material is qualified and achieve rapid detection of incoming material 5 Statistics function the tester can automatically count the maximum value minimum value and average value of the last 9 measured values 6 Users can calibrate the standard part...

Страница 4: ...easurement Press the release button on the top of the probe to measure the hardness of the object There are two measurement modes 1 Statistics mode The interface of statistics mode is shown below left The instrument displays the maximum value minimum value and average value of current statistics as well as the number of valid data The number of statistics is the last 9 valid measurement data and w...

Страница 5: ...short press the button or button to enter the shutdown time selection short press the or button to select the shutdown time short press the button to confirm Mode selection short press the button or button to enter the mode selection interface press button to select the measurement mode then short press the button to confirm Limit setting Limit setting is only displayed in QC mode short press the ...

Страница 6: ...face press the or to select the hardness unit press the button briefly to confirm 5 Calibration Short press the button to enter the calibration interface the screen prompts Please measure the standard hardness block and flashes then you can measure the standard hardness block single or multiple times After measurement the cursor moves to the actual value area then press or button to adjust the act...

Страница 7: ...o delete all recorded data 5 Quick access to the calibration interface In measurement mode short press the button to check historical data The gauge stores 9 sets of data When more than 9 sets of data are stored the earliest recorded value is automatically deleted and No 1 is the last test data Recorded data will not be lost after powering off V Attentions 1 The surface of the test object shall no...

Страница 8: ...ist No Product Name Quantity Unit 1 Leeb Hardness Tester 1 Set 2 Standard Leeb hardness block 1 pcs 3 Nylon Brush 1 pcs 4 Small support ring 1 pcs 5 1 5V AA alkaline battery 2 pcs 6 User Manual 1 pcs 7 Certificate Warranty card 1 pcs VII Service 1 The gauge has one year warranty If the gauge works abnormally please send the whole gauge to our company for maintenance 2 Provide users with spare part...

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