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hardness tetser 250DRM

hardness tetser 250DRM

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Automatic Hardness Tester. Rockwell, Superficial Rockwell and Brinell HBWT conforms to ASTM E 18, ISO 6508, ASTM E10, ISO 6506. Load cell system.

 

250DRM is an extremely accurate hardness tester:

- Load forces are applied directly on the measuring axis through load cells and are electronically controlled in "Closed Loop" (Pat. AFFRI) with a frequency of 1 kHz (1000 input per second).
- There are no ratio load forces nor lever, eliminating problems associated with dead weight systems on traditional testers.
- This hardness tester is not affected by any structural deflection, misalignment or vibration and can also operate in an inclined position. It doesn't need to be leveled.

Automatic cycle:
To perform the test just act on the elevating screw and bring the specimen to make contact with the indenter. The hardness tester applies preload and load in automatic succession; within seconds the result appears.
This hardness tester can easily be used by operators of every level.

- The 250DRM has a vertical capacity of 215 mm / 8.5" with a vertically sliding work table capable of bearing masses up to 2000 kg which allows for steady hardness measurements on bulky or irregular pieces.
Main control LCD panel in front of the measuring head for setup of test parameters, including powerful software and electronic:
- Simultaneous view of 2 scales, the one of the test and the one chosen from the list of conversion scales. Conversion values for all hardness scales HR, HB, HV, HSD, HK, HRN, HRT, N/mm.
- Precise test settings: Check load applied correctly. Select dwell time. Calibration for direct and indirect method conform to ASTM E 18 ISO 6508.
- Dynamic results: Simultaneous view of the range of results for statistic. Results average update at the last measure. Statistic CP CPX CX Histogram and number of test corresponding to tollerance values (Lo, Hi, Ok). Create 10 file record data each one 350 measures.
- Unique performances: Temperature measure C° usefull for certificate test conform to ASTM E 18 ISO 6508. Depth of indentation in 0,01 micron. Acoustic signal for dwell time and for preload. Printer connection output RS 232C or converter to USB. Back light LCD display 128 x 64 pixel. Touch key pad board IP 64 protection. Powered by rechargeable battery for 100% portability of the hardness tester (OPTION).

As Option: Clamping hood for specimen clamping

As Option: L.I.S.A. Laser pointing system (Pat. AFFRI)

As Option: Optical system to measure Brinell and Vickers indentations in compliance with ISO 6506 6507 and ASTM E384 standards:
- Rotating optical arm with self-alignment of the optic with the indentation axis. Automatic centering of the indentation with no need to move the specimen. Interchangeable objectives magnification: 1x 2x 3x 4x for 5x 10x 15x 20x and 15x eyepiece for manual measure. (Total magnification: 75x 150x 225x 300x). Camera USB 2.0 - 1280X1024 pixels.
- Software for Vickers, Knoop and Brinell indentation reading: Automatic and manual measure, image zoom, focus signal, trace CHD case depth diagram, statistic, create test report, memory of image.
- Metallurgical analysis: Automatic spheroidal nodule analysis (ISO 945); Automatic phase percentage analysis; Manual grain particle size measure; Polygon perimeter and area measure; Line to line angle; Circle diameter; Line to point; Point to point; Polygon insertion.


TECHNICAL DATA
ACCURACY Better than 0.5 %
TEMPERATURE RANGE From 10 °C to 35 °C
DATA OUTPUT RS 232 C (USB as option)
POWER SUPPLY 110 or 220 V / 50÷60 Hz
PRINCIPLE OF OPERATION Load Cell and Closed Loop (Affri patent)
PRELOAD 29.4 - 98.1 N (3 - 10 kgf)

FORCE RANGE
Rockwell: 588.4 - 980.7 - 1471 N (60 - 100 - 150 kgf)
Superficial R.: 147.1 - 294.2 - 441.3 N (15 - 30 - 45 kgf)
Brinell: 9.807 - 49.03 - 61.29 - 98.07 - 153.2 - 245.2 - 294.2 - 306.5 - 612.9 - 1226 - 1839 N (As option 2452 N)
(1 - 5 - 6.25 - 10 - 15.6 - 25 - 30 - 31.2 - 62.5 - 125 - 187.5 kgf - As option 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)
FEASIBLE TESTS
Rockwell HRC - HRA - HRD - HRB - HRF - HRG - HRL - HRM - HRR
Superficial R.: HR15N - HR30N - HR45N - HR15T - HR30T - HR45T - HR15W - HR30W - HR45W - HR15X - HR30X - HR45X - HR15Y - HR30Y - HR45Y
Brinell HBTW: 1/30 - 2.5/15.6 - 2.5/31.5 - 5/125(3) (Aluminum and its alloys) - 2.5/62.5(2) (Aluminum and its alloys) - 2.5/187.5(6) (Aluminum and its alloys) - 2.5/187.5(5) (Carbon steel) - 2.5/187.5(1) (Cast iron)
Vickers/Knoop: Generate indentation
Temperature: Measure range from - 40.0 to + 80.0 °C
OPTIONAL FEASIBLE TESTS
Brinell HBW: HB1/10 - HB1/30- HB2.5/6.25 - HB2.5/15.625 - HB2.5/31.25 - HB2.5/62.5 - HB2.5/187.5 - HB5/25 - HB5/125 - HB5/250
Vickers/Knoop: HV1 - HV3 - HV5 - HV10 - HV15 - HV20 - HV30 - HV60 - HV100


CONFORMITY STANDARDS EN-ISO 6506-2 / EN-ISO 6507-2 / EN-ISO 6508-2 / EN-ISO 2039-1 /
ASTM-E18-08 / ASTM E-103 / ASTM-E384 / JIS
HEIGHT CAPACITY 215 mm / 8.5" (As option 300 mm / 12")
DEPTH CAPACITY 190 mm / 7.5" (As option 220 mm / 8.5")
TOLERABLE WEIGHT 2000 kg
FIELDS OF USE For all metals: iron, steel, tempered steel, brass, aluminum and nitriding,
cementation, hard facing, plastics
PACKING WEIGHT 85 kg
PACKAGING MEASURES 50 x 60 x 100 cm / 20 x 23 x 40

Dimension (L x W x H) 60 x 100 x 100 Centimetre
Weight 50 Kilogram