BMS BULUT MAKINA Hardness Testers & Metallographic Equipments
Hardness Testers & Metallographic Equipments
Manufacturer Since 1990
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TKM 459 CE
Ultrasonic Portable Hardness Tester

Download Operation Manual
File Size: 1391 kb
File Type: pdf
Download File


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Technical Specification
Hardness measurement range by scales:

Brinell    90 - 450 НВ
Rockwell С    20 - 70 HRC
Vickers    240 - 940 HV
Limits of hardness measurement absolute error, main scales:
  • Brinell    
 Within (90...150) НВ    ±10 НВ
 Within (150...300) НВ    ±15 НВ
 Within (300...450) НВ    ±20 НВ
  • Rockwell С    
±2 HRC
  • Vickers    
 Within (240...500)HV    ±15 HV
 Within (500...800)HV    ±20 HV
 Within (800...940)HV    ±25 HV

Hardness measurement range, reference scales:
Ultimate tensile strength     350…1500 MPa
Rockwell А    70,5 - 85,5 HRА
Rockwell В    51 - 100 HRВ
Shore D    35 - 102 HSD
Hardness tester electronic unit overall dimensions, maximum:
Model type ТКМ-459С    121 х 69 х 41 mm
Hardness tester electronic unit mass:
Maximum     0,3 kg
Mass of the sensors:
Maximum    0,3 kg
Hardness tester rated operation conditions: 
Air temperature    From minus 15 to plus 35 °С
Relative humidity    30 – 80 %
Atmospheric pressure    84 – 106,7 kPa
Calibration period    1 year
Hardness tester service life    5 years
Number of hardness tester potential additional calibrations:
Model type ТКМ-459С    5 for each scale
Hardness tester additional scales number:
Model type ТКМ-459С    3
Duration of one hardness measurement  cycle (average)    2 s
Number of measurement cycles required to calculate the average value: 
Model type ТКМ-459С    1 – 99
Number of algorithms of incorrectly performed measurement results rejection in the course of average value calculation     3
Parameters of additional statistical processing of measurements series     Maximum, minimum, mean square deviation from average value, average value.
Additional information displayed (to be defined by the user):
Model type ТКМ-459С    Previous results of the measurements series, results of additional statistical processing 
Number of samples required to set up additional calibrations for hardness tester scales    1 or 2
Number of samples required for additional scales set up     2 to 0  (to be defined by the user)
Intermediate interpolation of additional scales     Piecewise linear or piecewise –parabolic (to be defined by the user)
Measurement results overrunning alarm (model type ТКМ-459С only)    Color. Check limits to be set up by the user for each individual scale. Types of limits: greater, less, overrun. 
Maximum number of measurements stored in the memory:
Model type ТКМ-459С    12 400
Maximum number of individualized blocks set up in the memory: 
Model type ТКМ-459С    100
Displaying, statistical processing and plotting of charts of the measurement result blocks:
  • Displaying  
all results in the block
results in the block which are greater or less than values set up by the user 
results falling outside the specified range set up by the user 
  • Statistical processing 
maximum, minimum,  mean square deviation from average value, average value 
average deviation from the value set up by the user, number of results bigger / less than specified value, maximum deviation from specified value to bigger/less side 
number of results falling outside the range set up by the user (outside bigger/less limit), maximum deviation from upper/lower limit 
  • Plotting of charts     
in reference to average value 
in reference to  value set up by the user
in reference to  measurement range set up by the user 

Computer interface connection:
Computer interface connection    USB
Hardness tester automatic turn-off     Turn-off time to be set up by the user
Monitoring of battery charging     Continuously. Continuous indication in the course of measurements
Display illumination     Time to be set up by the user 
Display color and intensity     To be selected by the user   
Interface language of the hardness tester     English ( German, French – optionally) 
Hardness tester power supply    Autonomous, battery. Use of equivalent non-rechargeable batteries allowed. 
Standart Accessories
HRC block (uncertified):1
Sensor:1
Cable for sensor connection:1
Cable for USB interface:1
Battery: 8.4 V1
Operating Manual:1
Case:1

Manufacturer Since 1990

                  BMS Bulut Makina San. Tic. Ltd. Şti.                
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