Tel  :  + 27 11 704 7001 / 5 / 8

Impact Instruments is a wholly women owned, EME, with a Level 4 BBBEE status. Established in 2004 as sole agent and or distributor for several leading, international brands. Our territory covers South Africa and surrounding SADC countries, where agreements permit. With more than fourty years combined industry experience, we provide technical equipment solutions across the industry covering electrical, mechanical, environmental and damage to goods in transit. We guarantee high quality products and an outstanding level of service at all times.

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Portable Hardness Testers for Steel

Leeb and UCI Hardness Testers

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DataCenter Software 

Free, powerful software for downloading and analysing of data on any of the DMQ instruments with a data logger. Open the DataCenter in your PC, connect the supplied USB cable and the data saved in the units memory will be transferred. Generate, save, analyze and print personalized reports using dmq DataCenter or simply export the data to Excel.

DataCenter Functions per series

Demeq data center software

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QH2 Portable Leeb Hardness Tester 


QH2 use 2022

Portable rebound hardness tester to measure steel, steel for tools and stainless steel in HL, HB, HRB, HRC, HV and HS.

Accepts type D and DC impact devices.

All kits include a QH2 with type D impact device, a quick user guide, carry case and conformity certificate. 

QH2 Series Versions :

  • QH2S measures steel only. 
  • QH2DLS Includes data logging 
  • QH2P Includes a HLD test block 
  • QH2DLP Includes data logging and a HLD test block 

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QH5 Leeb, Brinell, Rockwell, Vickers Metal Hardness Tester 

Meets ASTM A-956 standards

QH5 use 2022

Portable rebound hardness tester to measure most metals in HL, HB, HRA, HRB, HRC, HV and HS.

All kits include a QH5 hardness tester with chosen impact device (see versions below), Leeb reference test block, coupling paste, user manual, USB stick with Datacenter software, USB cable, carry case and conformity certificate. 

QH5 Series Versions :

  • QH5D supplied with a type D impact device but also accepts a type DC impact device 
  • QH5M supplied with a type impact D device but also accepts type DC, C, DL, G and E impact devices
  • QH5G supplied with a type G impact device for foundries

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QH5U Ultrasonic Contact Impedance (UCI) Metal Hardness Tester 

Conversions by E 140 and DIN 50150 standards

UCI method standards DIN 50159 and ASTM A1038

QH5U use 2022    QH5U probe tip

Portable hardness tester factory calibrated for steel, operating on the Ultrasonic Contact Impedance method with Vickers being the native unit of measure and conversions to other units  according to ASTM E140 standards.

Kits include a QH5U hardness tester with chosen probe, HV reference test block, coupling paste, user manual, USB stick with Datacenter software, USB cable, carry case and conformity certificate. 

QH5U Version :

  • QH5U supplied with a UCI 10N or 50N or 98N probe
  • For weld hardness make use of 50 or 98N probe

 

10N UCI Probe
  • Ideal to measure superficial hardness, polished surfaces and small parts with a good finish.
  • Superficial roughness : Maximum roughness is Ra 5µm according to ASTM 1038 standard

 

50N UCI probe

  • Measure induction or cemented treated parts such as crankshafts, gears, welds and heat affected zones.
  • Superficial roughness : Maximum roughness is Ra 10µm according to ASTM 1038 standard

 

98N UCI probe

  • Recommended for use in founded parts, weld seams and heat affected zones even in unmachined surfaces.
  • Superficial roughness : Maximum roughness is Ra 15µm according to ASTM 1038

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QH7 Heavy Duty Leeb and UCI Metal Hardness Tester 

Complies to ASTM A-956 & ASTM E-140 standards

 QH7C use 2022

Rugged hardness tester for use in harsh industrial applications with a heavy aluminium enclosure and rubber sides.

All kits include a QH7 hardness tester with chosen impact or UCI device (see versions below), reference test block, coupling paste, rechargeable batteries, battery charger, user manual, USB stick with Datacenter software, USB cable, carry case and conformity certificate.

QH7 Series Versions :

  • QH7L supplied with a type D impact device but also accepts type DC, DL, C, G and E impact devices 
  • QH7U supplied with a UCI 10 or 50 or 98N probe
  • QH7C supplied with a type D impact device and a choice of a 10N or 50N or 98N UCI probe. For weld hardness make use of 50N or 98N UCI probe
 
10N UCI Probe
  • Ideal to measure superficial hardness, polished surfaces and small parts with a good finish.
  • Superficial roughness : Maximum roughness is Ra 5µm according to ASTM 1038 standard

 

50N UCI probe

  • Measure induction or cemented treated parts such as crankshafts, gears, welds and heat affected zones.
  • Superficial roughness : Maximum roughness is Ra 10µm according to ASTM 1038 standard

 

98N UCI probe

  • Recommended for use in founded parts, weld seams and heat affected zones even in unmachined surfaces.
  • Superficial roughness : Maximum roughness is Ra 15µm according to ASTM 1038

 

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