Proceq Equotip Piccolo 2 Unit D Portable Metal Hardness Test 1




The Equotip Piccolo 2 is a lightweight, easy-to-use Leeb hardness tester designed for metal hardness testing on a broad range of part shapes. Made with high-end electronics, the unit works a test cycle in one motion using a patented impact device. Compact and ideal for on-site hardness testing. Optional DL probe works with the unit for confined spaces and recessed surfaces.

Proceq Piccolo 2

The Equotip Piccolo 2 enables measurements to be rapidly taken and displayed in any chosen hardness scale: HL (Leeb), HRC (Rockwell C), HB (Brinell), or HV (Vickers).

Real-time monitoring and features user specific conversions. Data transfer connection with the PC can be established quickly and efficiently.

  • Entry model for quick on-site tests.
  • Compact housing and automatic angle correction which allows for use in a variety of settings.
  • Highly accurate and reliable.

The Equotip Piccolo 2 offers the following features in addition to the Bambino 2:

  • User defined hardness conversions
  • Piccolink software for:
  • Systematic real-time monitoring of hardness
  • Automated testing during serial production
  • Evaluation and processing of measured data
  • Remote control of Piccolo 2 settings
Standard to large objects Yes
Round objects In combination with support rings
Light objects (<2kg) No
Very hard objects No
Cast objects Yes
Polished objects No
Limited accessibility With impact device Leeb DL
Thin objects No
Heat treated surfaces Yes
Additional Applications: Fire damage assessment
Machined steel parts
Case hardened components
Building industry
Archeological inspection
Thermal cutting
Ancient Unesco Mogao caves in China
Proceq Piccolo 2 Specifications
Native Scale HL
Measuring Range 150 – 950 HL
Measuring Accuracy ± 4 HL (0.5% at 800 HL)
Available Scales HB, HV, HRB, HRC, HS, MPA (Equotip Piccolo 2 only)
Available Probes Leeb D / DL
Average Roughness Ra (µm / µinch) 2 / 80
Minimum Mass (kg / lbs) 0.05 / 0.2
Minimum Thickness (mm / inch) 3 / 0.12


Measuring Range 150-950 HLD  250-970 HLDL
Instrument dimensions 147.5 x 44 x 20 mm (5.71 x 1.75 x 0.79 inches)  203 x 44 x 20 mm (7.99 x 1.75 x 0.79 inches)
Instrument weight 142 g (5 ounces)  152 g (5.4 ounces)
(applicable to both Equotip Piccolo 2 and Equotip Bambino 2)
Conversions 80-955 HV, 81-678 HB, 20-70 HRC, 38-102 HRB, 30-100 HS
(Equotip Piccolo 2 only: 274-2193 N/mm2)
Resolution 1 HLD / HLDL, 1 HV, 1 HB; 0.1 HRC, 0.1 HRB, 0.1 HS (Equotip Piccolo 2 only: 1 N/mm2 Rm)
Measuring accuracy ± 4 HLD / HLDL (0.5% at 800 HLD / HLDL)
Maximum test hardness 890 HLD (955 HV, 68 HRC)
Impact direction / energy Automatic compensation / 11 Nmm
Ball indenter Tungsten carbide (approx. 1’500 HV), 3 mm (0.12 inches) diameter
Housing Scratch-proof, hard-coated zinc alloy
Battery Rechargeable Li ion, operation period over 20’000 impacts, charging current 100 mA
Integrated memory Non-volatile, RAM 32 kBytes, ~ 2’000 measured values (Equotip Piccolo 2 only)
Operating conditions Temperature: -10 to +60 °C (14 to 140 °F), Humidity: 90% max.
IP classification IP52
Bambino Standards & Guidelines

ASTM A 956
ASTM E 140
ASTM A 370
ISO 16859
DIN 50156
GB/T 17394
JB/T 9378


DGZfP Guideline MC 1
VDI / VDE Guideline 2616 Paper 1
Nordtest Technical Reports 424-1, 424-2, 424-3


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