AFFRI LD 250

AFFRI LD 250

฿0.00

Universal hardness tester for Vickers, Rockwell, Superficial Rockwell and Brinell hardness test methods in compliance with ASTM and ISO hardness standards. LD 250 is a top level bench hardness tester for fully automatic test cycles including indentation autoreading through the high resolution camera. It is entirely motorized and equipped with an automatic turret with indenters and magnification lenses.

Brand AFFRI
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Description

Details

OONE INPUT FOR THE ENTIRE TEST CYCLE

     

CLOSED LOOP TECHNOLOGY (PAT. AFFRI)

The hardness tester’s head moves down until contact is made, clamps the piece, applies the force and make the indentation. The software will move to the camera view mode where the indent is automatically measured.

     

Load forces are applied through load cells and controlled in "Closed Loop" with a frequency of 1 khz, assuring perfect linearity in every range. Results are not affected by any structural deflection, misalignment or vibration.

         

MOTORIZED TESTING HEAD

     

LARGE BASE

Automatic movements with automatic stop when contact is made. Up to 300 mm of motorized vertical stroke. The approach of the head to the peace and not the opposite allows more accurate, scable and safe measurements.

     

Supports masses beyond 2000 kg and special fixtures or anviling. Hardness measurements on bulky and irregular test pieces which cannot be easily reached by the regular bench hardness testers.

         

CLAMPING SYSTEM (PAT. AFFRI)

     

MOTORIZED TURRET

Secure contact with the specimen is always maintained, even in the unlikely event of any specimen movement during the operation cycle. The clamping system assures complete stability of any test piece throughout the test cycle, even if it's oiled, rusty or dirty.       One slot for an indenter and one slot for an objective. Auto-rotating and auto-tool-switching for a complete automatic measurement cycle.
         
SOFTWARE

The preinstalled software controls the whole instrument avoiding setting errors or operators mistakes:
Powerful software for test cycle managing and automatic indent reading. Wide settings parameters for measurement setup, image adjustments, statistics and data storage.
     

 
TECHNICAL FEATURE

MODEL

LD 250

Standards

EN-ISO 6506 / EN-ISO 6507 / EN-ISO 6508 / EN-ISO 2039 / EN-ISO 7619 / EN-ISO 868 / ASTM E-103 / ASTM E-18 / ASTM E-10 / ASTM E-384

XY Table

330 x 390 mm

Vertical head stroke

390 mm Motorized

Indenter and clamping hood stroke

0/30 mm Motorized

Depth capacity

190 mm

Reading

Focus: automatic and manual - Reading: automatic and manual

Preload

29.4 - 98.1 N (3 - 10 kgf)

Test loads

Vickers - Knoop: 9.807 - 19.60 - 29.42 - 49.03 - 98.07 - 196 - 294.2 - 490.35 - 980.7 N (1 - 2 - 3 - 5 - 10 - 20 - 30 - 50 - 100 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 N)
(1 - 2.5 - 5 - 6.25 - 10 - 15.6 - 25 - 30 - 31.2 - 62.5 - 125 - 187.5 kgf - 250 kgf)

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

Superficial Rockwell: 147.1 - 294.2 - 441.3 N (15 - 30 - 45 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)

Brinell HBWT: HBT 2.5/62.5 - HBT 2.5/187.5 - HBT 5/125

Vickers

Accuracy

Better than 0.5 %

   
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