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Metal Hardness Tester – Equostat 3

The Equostat 3 was developed for accurate, rapid and reproducible metal hardness testing. It features excellent sensitivity through small penetration of a few µm and is therefore particularly suited for testing metal hardness of surface layers on scratch-sensitive and polished parts or on thin parts, profiles and pipes with a wall thickness that is below 2 mm (0.08”).

The Equostat 3 works well in outdoor, factory and lab environments. It has only very few requirements on test piece geometries. The Equostat 3 probe can be connected directly to a laptop or a PC. Alternatively, the probe plugs into the Equotip 3 indicating device to combine the Rockwell principle of Equostat with the Leeb rebound principle of Equotip 3 to become the most versatile hardness tester. Live user guidance dialogs enable the user to obtain very accurate and highly reproducible measurements.

Features

	Accurate, rapid and reproducible metal hardness readings
	Measurements are independent of the material and sample dimensions
	Testing range from very soft (aluminum) up to very hard materials (case-hardened steel)
	Measurement in HRC, integrated conversions to HV, HB, HRA, HRB, HR15N, Rm possible
	Transfer of up to ~100’000 stored readings from the Equotip 3 indicating device to a PC using Equolink 3
	Small test load yields small penetrations of only a few μm
	The Equostat 3 probe can be used in either a clamp or freehand
	In addition to the Equostat 3 probe, all the impact devices of the Equotip metal hardness tester can be used to also conduct rebound hardness testing with the same indicating device

Proceq offers a unique variation of impact devices and support rings to serve most metal hardness test requirements.

Applications

	Precise metal hardness testing of very soft materials through to very hard materials
	Thin parts, profiles and pipes of a wall thickness ≤ 2 mm, sheets, coiled metal, as well as parts as thin as 0.2 mm (0.008”), depending on the hardness level
	Testing on scratch-sensitive or polished surfaces
	Metal hardness testing of heat-affected zones near welding seams
Proceq offers accessories such as a measuring clamp or several support feet adapt to freehand hardness measurements on various test piece geometries

Standardization

The following standards can be applied to the metal hardness tester Equotip 3 :


	DIN 50157 (2007)		ISO 18265 (2003)
	ASTM B724		ASTM E140 (2007)
	DGZfP Guideline MC 1 (2008)		VDI / VDE Guideline 2616 Paper 1 (2010)

Technical Data

Metal hardness tester Equotip 3 unit incl. probe

Testing method	Leeb rebound
Available probes	C, D, DC, DL, E, G, S
Spherical test tip	Tungsten carbide, 3 mm diameter (for C, D, DC, DL probes) 5 mm diameter (for G probe.) Polycrystalline diamond / ceramics 3 mm diameter for E /S
Min. radius of surface curvature	10 mm
Resolution	1 HL; 1 HV; 1 HB; 0.1 HRC; 0.1 HRB; 0.1 HRA; 0.1 HS; 1 MPa (1 N/mm²)
Accuracy	± 4 HL (0.5% at 800 HL)

Metal hardness tester Equotip 3 indicating device

Dimensions	170 x 200 x 45 mm (6.7 x 7.9 x 1.8 in.)
Weight	780 g plus approx. 120 g battery pack
Material	shock resistant ABS plastic
Display	large QVGA LCD with adjustable contrast and backlight
Internal data storage	~ 100'000 values
Communication	Ethernet, USB & RS 232
PC application	Equolink 3 software included
Battery type	rechargeable Li ion or 3 standard size “C” cells
Operating temperature	0 to + 50 °C (32 to 122 °F)
Storage temperature	-10 to + 60 °C (14 to 140 °F)
Humidity	90 % max.

Warranty

	Standard 2-year limited warranty on electronic parts
	Optional extended warranty periods up to 3 additional years

Please feel free to contact Proceq for more information on the Equostat 3 for metal hardness testing