Metrological Characteristics

Hardness scale Measurement range; Permissible error Reproducibility
Rockwell "C" scale (20-70) HRC 2 HRC 0,5 HRC
Brinell scale (75-450) 12 1 %
Vickers scale (75-1000) HV 15 HV 1 %
Shore scale (23-102) HSD 3HSD 1 HSD
Tensile strength 378-1736 MPa 5% 2 %



Technical Characteristics

Measurement principle UCI-method (ultrasonic contact impedance principle)
Probe types
U10,U15,U50,U100,U15Sh,U50Sh
Probe test load
9,8 N;14,7 N;49,0 N;98,0 N;14,7 N;49,0 N
Tested surface roughness <Ra 2,5 (for test loads 10 N and 14,7 N)
<Ra 4,5 (for test load 50 N)
<Ra 8,0 (for test load 100 N)
Tested surface radius of curvature >5 mm
Sample minimum weight >0,01 kg
Sample thickness >1 mm
Probe service life No less than 200000 measurements
Power supply
AC power, V/Hz100-240/50-60
Storage battery1,2V
Consumed power>3,0 VA
Time of full battery charge 8 hours
Battery life
Without light16 h (plastic body)
20 h (aluminum body)
With light5 h (plastic body)
8 h (aluminum body)
From AC networkunlimited
Working temperature -10 +50
Temperature during storage and transportation -35+60
Operating conditions Relative humidity 3080%
Overall dimensions
Electronic module -U1 1808042 mm
Probe U10, U15, U50, U10016025 mm
Probe U15Sh, U50Sh8040 mm
Hardness tester mass
(module with probe)
Hardness tester -U1: 0,8 kg
Measurement results processing Calculation of mean value, deletion of current measurement, date storage, archive work.
Display light Available
Display peculiarities Hardness scale, measured value, number of measurements, operation mode , number in archive, battery discharge level, automatic switch-off in 150 sec.
Memory (archive) 99 readings stored during power-off
Internal software "-U" Available. Enables to work with hardness tester without connection to PC.
External software "" Available. Transfers data from hardness tester archive to PC. Enables to process measurement data, create data bases, construct graphs, print results.
Time of one measurement2 s

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