AFFRI MRS SERIES

AFFRI MRS SERIES

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Automatic hardness testers for Rockwell, Superficial Rockwell, Brinell, Vickers and Shore test methods in compliance with ASTM and ISO hardness standards. MRS Series are top level bench hardness testers for tough or lab applications. Fully motorized for fully automatic test cycles.

Brand AFFRI
OR
Description

Details

CLOSED LOOP TECHNOLOGY (PAT. AFFRI)

      REPEATABILITY AND REPRODUCIBILITY (R&R)

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.
      Accurate measurements on the first test, even in extreme conditions, eliminate the need for repeated tests. The R&R data is at the top of its class.
         
ONE BUTTON MEASUREMENT
      INDENTER STROKE

Just press one button and the hardness tester's head moves down to make contact with the sample's surface, locking it. The hardness test cycle will automatically begin in automatic succession without breaching a phase. Within seconds results appear.       When testing unstable samples or deflecting parts, the AFFRI System will follow the sample without losing contact thanks to its 50 mm stroke for indenter and clamping hood. Easy and fast hardness measurements on pieces with different thicknesses without acting on tester head or elevating screw.
         
INDENTER STROKE       CLAMPING SYSTEM (PAT. AFFRI)

Automatic movement with automatic stop when contact is made with samples. Total of 700 mm of motorized vertical stroke. The approach of the head moving to the piece as opposed to the piece moving to the head allows for more accurate, stable and safe measurements.       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 perfect stability of any test piece throughout the test cycle, even if it's oiled, rusty or dirty.
         
 LARGE BASE
       SOFTWARE
The 3332 MRS’s wide work table base is capable of bearing masses beyond 1000 kg which allows for steady hardness measurements on bulky or irregular pieces. It also offers a comfortable working base for small pieces.       The pre-installed software controls the whole instrument during the entire cycle avoiding operator errors. Powerful analysis system with easy and fast test settings, live statistics and graph. Data and test sessions storage.
         

 TECHNICAL SPECIFICATION


MODEL

250 MRS 3332 MRS 3332 MRSA 3302 MRSA

Standards

EN-ISO 6506-2 / EN-ISO 6507-2 / EN-ISO 6508-2 / EN-ISO 2039 / EN-ISO 868 / ASTM E-18 E-10 / ASTM E-384 / ASTM E-2240 / JIS

X-Y Table

---- 330x390 mm

Indenter and clamping-hood stroke

0/50 mm ---- 0/50 mm

Vertical head stroke

---- 0/300 mm 0/500 mm motorized (On request 0/700 mm)

Elevating screw stroke

0/215 mm ----

Depth capacity

190 mm 200 mm

Preload

29.4 - 98.1 N (3 - 10 kgf)
Force range
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: 49.03 - 61.29 - 98.07 - 153.2 - 245.2 - 294.2 - 306.5 - 612.9 - 1226 - 1839 N (On request 2452 N)

(5 - 6.25 - 10 - 15.6 - 25 - 30 - 31.2 - 62.5 - 125 - 187.5 kgf - On request 250 kgf)
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


Rockwell:
HRC - HRA - HRD - HRB - HRF - HRG - HRL - HRM - HRR
Superficial Rockwell: HRN - HRT
Brinell HBWT: HB30 - HB10 - HB5 - HB2.5
Vickers - Knoop (Only indentation): HV1 - HV3 - HV5 - HV10 - HV15 - HV20 - HV30 - HV50 - HV100
Shore: A - D


Load accuracy

Better than 0.5 %
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