Semi-automatic digital Vickers hardness tester

The BHV-5/10/30/50TPTA Vickers hardness tester is suitable for testing metallic structures, including tiny components, thin sheets, metal foils, wires, thin hardened layers, and electroplated coatings. It can also be used to test non-metallic materials such as glass, jewelry, and ceramics—materials that cannot be tested using the Rockwell method or other tests requiring relatively high test forces. Notably, it can conform to the microstructure of metals, enabling measurement of the internal hardness of materials subjected to induction hardening or carburizing hardening. The Vickers hardness tester is a high-tech, opto-mechatronic integrated product characterized by a novel design, excellent reliability, ease of operation, and outstanding repeatability, making it an ideal instrument for Vickers hardness testing. This instrument incorporates a high-magnification optical measurement system and a dual-optical-channel configuration, along with advanced technologies such as photoelectric and optocoupler sensing. Operation via a touch screen allows for automatic input of the length of the indented mark, while the LCD display shows the test force, test-force holding time, number of measurements, hardness value, and other parameters.

Product Introduction

I. Product Overview

The BHV-5/10/30/50TPTA Vickers hardness tester is suitable for testing metallic materials, including tiny components, thin sheets, metal foils, wires, thin hardened layers, and electroplated coatings. It can also be used to test non-metallic materials such as glass, jewelry, and ceramics—materials that cannot be tested using the Rockwell method or other tests requiring relatively high test forces. Notably, it can accurately measure the internal hardness of materials subjected to induction hardening or carburizing hardening by conforming to the microstructure of the metal. The Vickers hardness tester is a high-tech, opto-mechatronic integrated product characterized by a novel design, excellent reliability, ease of operation, and outstanding repeatability, making it an ideal instrument for Vickers hardness testing. This model features a high-magnification optical measurement system and a dual-optical-channel configuration, along with advanced technologies such as photoelectric and optoelectronic sensing. Operation via a touch screen enables automatic input of the length of the indented mark, while the LCD display shows the test force, test-force holding time, number of measurements, hardness value, and other relevant parameters.

II. Detailed Specifications

BHV-5TPTA	Test force	1.961, 2.942, 4.903, 9.807, 19.61, 24.52, 29.42, 49.03 (N)
		0.2, 0.3, 0.5, 1, 2, 2.5, 3, 5 (kgf)
	Ruler	HVO.2, HV0.3, HV0.5, HV1, HV2, HV2.5, HV3, HV5
BHV-10TPTA	Test force	2.942, 4.903, 9.807, 19.61, 24.52, 29.42, 49.03, 98.07 (N)
		0.3, 0.5, 1, 2, 2.5, 3, 5, 10 (kgf)
	Ruler	HV0.3, HVO.5, HV1, HV2, HV2.5, HV3, HV5, HV10
BHV-30TPTA	Test force	4.903, 9.807, 19.61, 24.52, 29.42, 49.03, 98.07, 196, 294.2 (N)
		0.5, 1, 2, 2.5, 3, 5, 10, 20, 30 (kgf)
	Ruler	HV0.5, HV1, HV2, HV2.5, HV3, HV5, HV10, HV20, HV30
BHV-50TPTA	Test force	9.807, 19.61, 24.52, 29.42, 49.03, 98.07, 196, 294.2, 490.3 (N)
		1, 2, 2.5, 3, 5, 10, 20, 30, 50 (kgf)
	Ruler	HV1, HV2, HV2.5, HV3, HV5, HV10, HV20, HV30, HV50

		BHV-5TPTA	BHV-10TPTA	BHV-30TPTA	BHV-50TPTA
Test Force Selection Method		Select on the touchscreen
Method of Applying Test Force		Automatic (loading/holding/unloading)
Test force holding time		Adjustable from 0 to 99 seconds
Hardness Measurement Range		8-3000HV	5-3000HV
Maximum height of the test specimen		110 mm (200 mm when the extension sleeve is removed)
Distance from the indenter center to the machine wall		130mm
Optical system	Objective lens	20× (observation), 40× (measurement)	10× (observation), 40× (measurement)	10×, 40×
	Eyepiece	10 times	10 times	10 times
	Total Magnification	200× (observation), 400× (measurement)	100× (observation), 400× (measurement)	100×, 400×
	Measurement resolution	0.025 μm	0.025 μm	0.125 μm, 0.0625 μm
Test stand lifting method		Manual
Test bench parameters	XY coordinate test table	Dimensions: 100 × 100 mm; Stroke: 25 × 25 mm; Resolution: 0.01 mm
	Automatic test bench	Dimensions: 312 x 225 mm; Travel: X-axis travel 110 mm; Y-axis travel 90 mm;
Light source		12V/20W
Power supply		220V 50Hz
External dimensions		500 x 330 x 660 (mm) (Length x Width x Height)
Weight		55kg

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