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Metal Testing > Hardness Testers > Benchtop > UNIVERSAL HARDNESS TESTER

LD250 and LD750 Easy to use AUTO-CONTACT AND CLAMPING AUTO-COMPENSATION SOFTWARE AUTOMATION READY

Universal hardness testers LD250 and LD750

Fully motorized and automatic, the test is not affected by operator influences and can easily be used by operators of every level

All-in-one for automatic use

Universal hardness testers LD250 and LD750 include all hardness testing methods: Rockwell, Superficial Rockwell, Brinell, Brinell HBT, and Vickers.

Hardness measurements on every metal and alloys conforming to ASTM and DIN EN ISO international standards.

Test loads

LD250: From 1 to 250 kgf (9,807 to 2452 N).
LD750: From 3 to 3000 kgf (29.4 to 29421 N)

Rockwell ISO 6508 / ASTM E-18:

HRA – HRB – HRC – HRD – HRF – HRG – HRL – HRM – HRR / HRN – HRT – HRS – HRW – HRX – HRY

Brinell HBW ISO 6506 / ASTM E-10

HBW1/30 – HBW2.5/15.625 – HBW2.5/31.25 – HBW2.5/62.5 – HBW2.5/187.5 – HBW5/25 – HRW5/62,5 – HBW5/125 – HBW5/250 – HBW5/750 – HBW10/100 – HBW10/250 – HBW10/500 – HBW10/1000 – HBW10/1500 – HBW10/3000

Brinell HBWT ASTM E103

HBWT2.5/62.5 – HBWT2.5/187.5 – HBWT5/125 – HBWT5/250 – HBWT5/750 – HBWT10/500 – HBWT10/1000 – HBWT10/1500 – HBWT10/3000

Vickers ISO 6507 / ASTM E-384 / ASTM E-92

HV1 – HV2 – HV3 – HV5 – HV10 – HV20 – HV30 – HV50 – HV100

TECHNICAL SPECIFICATIONS

Standards

EN-ISO 6506-2 / EN-ISO 6507-2 / EN-ISO 6508-2 / EN-ISO 2039 / ISO 868 / ASTM-E10 / ASTM-E18 / ASTM-E103 / ASTM 2240 / ASTM-E384 / JIS

Indenter stroke

Motorized 30 mm / 1.2" with automatic contact

Height Capacity

LD750: Motorized 720mm / 28″ (more on request)
LD250: Motorized 390mm / 15″ (more on request)

Depth Capacity

D750: 265 mm / 10.5” (more on request)
LD250: 190 mm / 7.5” (more on request)

Working table:

LD750: 480 x 675 mm / 19 x 26 “ (more on request)
LD250: 330 x 390 mm / 13 x 15.5 “ (more on request)

Preload

29.4 - 98.1 N (3 - 10 kgf)

Force range*** Depending on the models***:
Rockwell:

588.4 - 980.7 - 1471 N (60 - 100 - 150 kgf)
Superficial Rockwell:

147.1 - 294.2 - 441.3 N (15 - 30 - 45 kgf)
Brinell:

9.807 - 24.52 - 49.03 - 61.29 - 98.07 - 153.2 - 245.2 - 294.2 - 306.5 - 612.9 - 1226 - 1839 - 2452 - 4903 - 7355 - 9870 - 14710 - 29421N
(1 - 2.5 - 5 - 6.25 - 10 - 15.625 - 25 - 30 - 31.2 - 62.5 - 125 - 187.5 - 250 - 500 - 750 - 1000 - 1500 - 3000kgf)
Vickers - Knoop:

9.807 - 29.42 - 49.03 - 98.07 - 147.1 - 196 - 294.2 - 490.35 - 980.7 N (1 - 3 - 5 - 10 - 15 - 20 - 30 - 50 - 100 kgf)
Optional tests:

49 - 132 - 358 - 961 N (For plastics and rubbers as per EN-ISO 2039 std)
Shore A - D

Feasible tests***Depending on the models***:
Rockwell:

HRA - HRB - HRC - HRD - HRE - HRF - HRG - HRH - HRK - HRL - HRM - HRP - HRR - HRS - HRV
Superficiale Rockwell:

HR15N/T/S/W/X/Y - HR30N/T/S/W/X/Y - HR45N/T/S/W/X/Y
Brinell

HBW: HBW 1/1 – HBW 1/1.25 – HBW 1/2.5 – HBW 1/5 – HBW 1/30 – HBW 2.5/6.25 – HBW 2.5/7.8125 - HBW 2.5/15.625 – HBW 2.5/31.25 – HBW 2.5/62.5 – HBW 2.5/187.5 – HBW 5/25 – HBW 5/31.25 – HBW 5/62.5 – HBW 5/125 – HBW 5/250 – HBW 5/750 – HBW 10/100 – HBW 10/125 – HBW 10/250 – HBW 10/500 – HBW 10/1000 – HBW 10/1500 – HBW 10/3000
Brinell HBWT:

1/30 - 2.5/15.6 - 2.5/31.5 - 5/125(3) (Aluminum and alloys) - 2.5/62.5(2) (Aluminum and alloys) - 2.5/187.5(6) (Aluminum and alloys) - 2.5/187.5(5) (Carbon steel) - 2.5/187.5(1) (Cast iron) - 5/125 - 5/250 - 5/750 - 10/500 - 10/1000 - 10/1500 - 10/3000
Vickers - Knoop:

HV1 - HV3 - HV5 - HV10 - HV15 - HV20 - HV30 - HV50 - HV100
Shore A - D

Load accuracy

Better than 0.1%

SERIE VRS

Universal hardness tester for micro/macro Vickers, Knoop, Rockwell, Superficial Rockwell, Brinell and Shore test methods, in compliance with ASTM and ISO hardness standards.

VRS Series are top level bench hardness testers for tough or lab applications.

Fully motorized for fully automatic test cycles, with Vickers and Knoop indentation autoreading through a CCD high resolution camera and the relative software.

Absolute accuracy (better than 0.5 %) in every condition.

Load forces are applied through load cells and electronically controlled in Closed Loop (Pat. Affri).

Exact hardness result on the first test and R&R data are at the top of its class.

Digital durometers with LCD screen, user friendly interface, real time statistics and graphs and large archive storage.

Hardness tests on all metals: Iron, steel, tempered steel, cast iron, brass, aluminum, copper and metal alloys.

Heat treatment, hardening, nitriding, cementation and hardfacing. Hard and soft plastics. Knoop test on ceramic and glass materials.

Test loads:from 0.3 to 250 kgf (From 2.940 to 2452 N)

	251 VRSTV/VRSD/VRSA	270 VRSTV/VRSD/VRSA	770 VRSTV/VRSD/VRSA
Standards	EN-ISO 6506-2 / EN-ISO 6507-2 / EN-ISO 6508-2 / EN-ISO 2039 / EN-ISO 868 / ASTM E-18 / ASTM E-10 / ASTM E-2240 / ASTM E-348
X-Y Table	----	330x390 mm
Vertical head stroke	----	0/380 mm motorized	0/700 mm motorized (Higher on request)
Elevating screw stroke	0/215 mm	----
Depth capacity	190 mm
Reading	VRSTV: Automatic and semi-automatic through CCD camera and software (Computer as optional) VRSD: Semi-automatic with encoder VRSA: Semi-automatic with drum scale
Preload	29.4 - 98.1 N (3 - 10 kgf)
Test loads	VRSTV/VRSD/VRSA Vickers - Knoop: 9.807 - 19.60 - 29.42 - 49.03 - 98.07 - 147.1 - 196 - 294.2 - 490.35 - 980.7 N (1 - 2 - 3 - 5 - 10 - 15 - 20 - 30 - 50 - 100 kgf) Rockwell: 588.4 - 980.7 - 1471 N (60 - 100 - 150 kgf) Superficial Rockwell: 29.42 - 147.1 - 294.2 - 441.3 N (3 - 15 - 30 - 45 kgf) Brinell: 61.29 - 98.07 - 153.2 - 245.2 - 294.2 - 306.5 - 612.9 - 1226 - 1839 N (On request 2452 N) (6.25 - 10 - 15.6 - 25 - 30 - 31.2 - 62.5 - 125 - 187.5 kgf - On request 250 kgf) Optional loads: 49 - 132 - 358 - 961 N (For plastics and rubbers as per EN-ISO 2039 std) VRSTV-VM/VRSD-VM/VRSA-VM (Micro macro Vickers) Superficial Rockwell: 29.42 - 147.1 - 294.2 - 441.3 N (3 - 15 - 30 - 45 kgf) Vickers - Knoop: 2.940 - 4.903 - 9.807 - 19.60 - 24.52 - 29.42 - 49.03 - 98.07 - 147.1 - 196 - 294.2 - 490.35 N (0.3 - 0.5 - 1 - 2 - 2.5 - 3 - 5 - 10 - 15 - 20 - 30 - 50 kgf)
Feasible tests	Rockwell: HRC - HRA - HRD - HRB - HRF - HRG - HRL - HRM - HRR Superficial Rockwell: HRN - HRT Brinell: HB30 - HB10 - HB5 - HB2.5 MPa (F/D²) Vickers - Knoop Shore A - D
Accuracy	Better than 0,2 %

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