SonoDur-R (Rack): 19” desktop device for automated UCI hardness testing

SonoDur-R is a 19” desktop device for fully automated, 100% checks of mass-produced parts. The measurement system enables rapid process monitoring (at one-second intervals) of mix-up testing procedures.

Its main areas of application are serial parts following heat treatment, surface processing or measuring coating hardness on gravure cylinders with highly-selective low-load motorised probes.

Thanks to its USB- and fully-isolated, digital I/O interface, the SonoDur-R ‘Rack’ is currently the world’s only automated UCI hardness measurement system which is fully system-compatible. Setpoints allow factors such as good/bad sorting gates to be controlled directly.

The SonoDur-R combines all the benefits of the SonoDur2 mobile hardness testing device with the requirements for integrating a device into a fully-automated process line.


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All SonoDur manual and motorised probes can be deployed immediately without restrictions via a USB port thanks to high-resolution, digital signal processing technology.

Components of the set (without hardness measurement probe):

  • SonoDur ‘Rack’ hardness testing device for automatic hardness testing on the production line, WIN CE operating system, 19” housing for built-in table with handles
  • SONO-RM, 3m probe connector cable
  • SONO-NG-24V, power supply unit 115VAC-230VAC/24VDC
  • SONO-Stylus, stylus pen
  • SONO-CD, USB product incl. instruction manual
  • Fully isolated, digital I/O interface for the direct controlling of actuators; potential-free signal contacts for full remote control via SP
  • Speed: Approx. 1 measurement per second
  • Measured value counter with statistical functions
  • Fast amortisation through the durable SonoDur 2 manual measurement probes SONO-10H (HV1), SONO-50H (HV5) and SONO-100H (HV10)
  • USB interface for measured value transmission
  • Operates on 24VDC voltage or an external power supply
  • All SonoDur manual and motorised probes can be used
  • Large measured data memory 2GB (approx. 90,000 measurement series, each with 1,000 measurements)
  • Measured value changes in colour depending on the applied set point
  • Hardness testing on serial parts following heat treatment
  • Hardness testing on parts following surface processing
  • Measuring coating hardness on gravure cylinders
Measuring principle UCI Method, corresponds to DIN 50159, ASTM A1038
Test indenter Vickers diamond 136°
Test loads Newton scale (1kgf = 9.81 N) Motor probes: 1N (0.1 kgf), 3N (0.3kgf) and 8.6 N (0.8 kgf)
Handheld Probes: 10N (1 kgf), 49N (5kgf), 98N (10kgf)
(Other test loads on request)
Hardness scales and range
accord. to standard conversion
Conversions are acc. to ASTM
E140-12bƐ1(2013), EN ISO
18265-2014, and DIN 50150-2000
(solely table 1, low-alloyed steel).
Conversions into tensile strength
for 98N (10kgf) test load only.
Vickers HV 10 – ca. 2000
Brinell HB 76 – 618
Knoop HK 87 – 920 (ASTM only)
Rockwell HRB 41 – 105
Rockwell HRF 82,6 – 115,1
Rockwell HRC 20,3 – 68
Rockwell HRA 60,7 – 85,6
Rockwell HRD 40,3 – 76,9 (EN ISO 18265 only)
HR45N 19,9 – 75,4
Tensile Strength MPa (N/mm2) 255 – 2180 (EN ISO 18265 only)
Measurement uncertainty < 3% of the average out of 5 measurements relative to the plate value
Relative repeatability < 3% (range relative to the average out of 5 measurements on reference block 300HV using motor probe 8.6N)
Operating Temperature Probe: 0°C to ~ +50°C
Storage Temperature -20°C ~ +70°C
Humidity Max. 90%, non-condensing
Motor probe
Handheld probe
L-Handheld probe
Instrument ca. H/B/T 132,55 x 235,54 x 313,5mm (360mm with handle)
Ø38mm, L=190mm (free length oscillation rod ca. 32,5mm)
Ø25mm, L=176mm (free length oscillation rod ca. 12,5mm)
Ø25mm, L=207mm (free length oscillation rod ca. 34mm)
Weight Instrument ca. 3400gr
Handheld probe ca. 280gr
Motor probe ca. 370gr
Processor and Memory ARM11® i.MX35 / 128MB SDRAM / 256MB Flash / micro SD Card up to 32GB
Operating system Windows CE 6.0 R3 English
Power Input 12VDC – 24VDC // 6 W
Size (Inch/mm)
TFT-Display 800×480 Pixel with LED-Backlight Touch-Screen
7.0/ 178
Digital Input / Output
Lemo ERD.0S.304, 5V Signal Level
37 pos. D-Sub, galvanic isolated, max. voltage 36VDC
1x USB Type B, RS232 (automatic measurand output)
Dust/Water-splash proof IP20
Instrument Language German, English, more on request
Descriptions Chinese English Français Deutsch Español
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