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Material

Measurement Range (RH)

Power Supply

Measurement method

DMQ QH7 C HEAVY-DUTY Leeb & Ultrasonic Contact Impedande Combo Hardness Tester | Range 100HV to 940HV

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Part Number : QH7 C

Because it combines the Leeb or rebound method and the ultrasonic contact impedance (UCI) method, our QH7 C is the most complete and advanced HEAVY-DUTY portable metal hardness tester available from Demeq, allowing coverage on the greatest range of portable metal hardness testing applications. CalTag technology is built into impact devices and UCI probes, allowing the unit to recognise the device or probe being attached without the need for modifications or calibration.

Specification
Features
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Specifications

Details

Material

UCI Steel (Precalibrated from factory) Other materials require calibration on reference blocks. Leeb Steel Cast Steel Alloy Tool Steel Stainless Steel Grey Cast Iron Spheroid Iron Cast Aluminum Brass Bronze Wrought Copper

Measurement method

UCI Ultrasonic Contact Impedance (UCI) Native unit is Vickers Resolution ± 1HV Accuracy ± 5% HV Leeb Impact rebound method Resolution ± 1HL Accuracy ± 4 HL (0.5% at 800 HL)

Measurement Range (RH)

UCI Steel 100-940 HV (Vickers) 95-500 HB (Brinell) 20-68 HRC (Rockwell C) 55-100 HRB (Rockwell B) 32-97 HS (Shore) 275-2194 N/mm2 (Rm) Aluminum 44-189 HV (Vickers) 40-160 HB (Brinell) 28-91 HRB (Rockwell B) Copper 40-130 HV (Vickers) 75-120 HB (Brinell) 2-67 HRB (Rockwell B) Brass 45-196 HV (Vickers) 42-169 HB (Brinell) 10-93 HRB (Rockwell B) Leeb Steel and Cast Steel 80-647 HB (Brinell) 80-940 HV (Vickers) 20-68 HRC (Rockwell C) 38-100 HRB (Rockwell B) 32-100 HS (Shore) 275-2194 N/mm2 (Rm) Alloy Tool Steel 21-67 HRC (Rockwell C) 80-898 HV (Vickers) Stainless Steel 85-655 HB (Brinell) 85-802 HV (Vickers) 20-62 HRC (Rockwell C) 46-101 HRB (Rockwell B) Grey Cast Iron 93-334 HB (Brinell) Spheroid Iron 131-387 HB (Brinell) Cast Aluminum 19-159 HB (Brinell) Brass 40-173 HB (Brinell) 14-95 HRB (Rockwell B) Bronze 60-290 HB (Brinell) Wrought Copper 45-315 HB (Brinell)

Power Supply

2 x AA 1.2v Ni-MH Rechargeable USB cable, cell phone charger