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Macro Vickers Hardness Tester – QV-400 Series

QV 4500 High End Closed Loop Micro / Macro Vickers Hardness Tester

ASTM E92, ASTM E384, EN ISO 6507

High-end Vickers/Knoop hardness tester featuring Closed Loop, Load Cell, Force Feedback technology for a reliable fast measurement procedure. The QV 4500 series of Micro/Macro Vickers, Knoop & Brinell hardness testers combines a practical design with universal specifications. State-of-the-art closed loop, load cell technology and a - Patent Pending - force feedback system, assure fast test results at the highest possible accuracy.

Superior Test Control
Superior Accuracy
Superior Gauge Repeatability & Reproducibility
Superior Productivity
Superior Flexibility

Featuring the recently developed sensor technology to create a new industry standard for Vickers hardness testing, eliminating weights and complex mechanical control systems. The closed loop system applies force, calculates, filters and controls digital data in a 32-bits embedded CPU system. The tester has a 4 position turret which can be customized by using different indenters, objectives, stages or Video systems.

During assembly the QV 4500 tester will be configured to your particular requirements. Whether you wish 1 or 3 measuring objectives or prefer a 2 indenter system allowing you to change your testing form Vickers to Knoop at the touch of a button. The QV 4500 Series offers all of these options and can be configured to almost any requirements. Video imaging systems, auto measuring systems, filar systems or directly connected to a PC for exporting data to MS Office applications.

Test Procedure Control

Traditional hardness testing systems use a dead weight mechanical design or inaccurate spring force mechanism to apply the test force. Such systems are lacking test control, as there is no feed-back on the actual applied force.

The closed loop technology with a force feed-back system, as applied in the QV 4500 series, constantly measures and controls the applied force on the tester’s indenter and tested surface. Consequently, this superior control system offers an almost unlimited selection of test loads and test rates for virtually any test condition imaginable.

Accuracy, Reliability & Efficiency

Elimination of overshoot due to sophisticated algorigthms detecting contact with the indentor and the tested object's surface.

The application and remocal of the test force is fully automatic, as wll as the positioning of the indentor and the pre-determined objective. The result is an absolute vibration free operation while reducing the operator's workload to a minimum.

Available Force Configurations>
QV 4300	1kgf up to 30kgf Vickers / Knoop
QV 4301	1kgf up to 31.25kgf Brinell
QV 4302	300gf up to 30kgf Macro Vickers / Knoop
QV 4303	20gf up to 30kgf Micro / Macro Vickers / Knoop
QV 4304	20gf up to 31.25kgf Micro / Macro Vickers / Knoop / Brinell
QV 4500	1kgf up to 50kgf Vickers / Knoop
QV 4501	1kgf up to 62.5kgf Brinell
QV 4502	300gf up to 50kgf Macro Vickers / Knoop
QV 4503	100gf up to 50kgf Micro / Macro Vickers / Knoop
QV 4504	100gf up to 62.5kgf Micro / Macro Vickers / Knoop / Brinell

Stages

Manual X-Y-Z Stage
Motorized X-Y Stage
Motorized X-Y-Z Stage
QV-CCD system with video filar level 1, 2, or 3
QV-CCD system with auto focus and video filar level 4

Turret System

Fully automatic 4 position turret for Micro / Macro Vickers, Knoop or Brinell measurements. Featureing 3 objectives at choice, all 3 objectives can be used for measuring and observation.

Indentors

Vickers 136°
Knoop 172.5° x 130°
Brinell 1 & 2.5mm

Eyepiece

Electronic eyepiece microscope with precision encoder providing 15x magnification.

Objectives

5x for 75x magnification
10x for 150x magnification
20x for 300x magnification
40x for 600x magnification
60x for 900x magnification

Technical Specifications
Test force selection	Electronic, closed loop, load cell, force feedback system, indication in Kgf or N. Test force selectable over menu operation
Test procedure	Automatic, loading/dwell/unloading
Hardness value	5 digits
Loading speed	Variable, depending on load application
Turret	4 positions over 360°, fully automatic, memorized start position, option for 2 indenters and 2 objectives or 1 indenter and 3 objectives
Test force accuracy	< +/-1% for force from 100gr to 30kg, < +/-1,5% for force below 100 gr
User display	Length of diagonals, hardness value, converted value, test force, online statistics
Display resolution	0.1 HV, HK and HB
Hardness conversion	Rockwell, Rockwell Superficial, Brinell, Leeb & Tensile
Standardization	EN, ISO 6507, ASTM E-18
Statistics	Total test, max, min, average, range, standard deviation, all in real time after each test
Control panel	Start test, stop test, light intensity, dwell time, print, clear, menu operation for date, time, scale and load settings, language
Firmware	V2.01, German, English, French (standard), V2.02, English, Italian, Spanish
Memory	Memory for 19 test results, with CV-VIEW software unlimited results
Data output	RS-232 Bi-Directional
Loading mechanism	Fully automatic, closed loop, force feedback, loading, dwell, unloading
Dwell time setting	Default 10 seconds, user defined 1 to 99 seconds
Printer	Built in, silent high speed thermal printer
Eyepiece microscope Objectives Eyepiece microscope Total magnification Measuring Range Resolution	5X, 10X and 20X Bright dual line filar eyepiece with 15x magnification 75X, 150X and 300X 200 um 0,1um reading
Light source	Halogen 12V, 30 watt, green filter, dimmable
Optical path	2 way, eyepiece / camera
Vertical capacity	160mm (maximum specimen height)
Horizontal capacity	135mm (from centre line)
Stage dimensions	90x90mm, travel 25x25mm, and reading 0,01mm
Operating temperature	5°C to 40°C (+/-20° for force 25gr and 50gr)
Humidity	10% to 90% non condensing
Dimensions	220 x 540 x 650mm
Weight	51Kg
Power	220V/110V, 50/60Hz, single phase