Products

Portable, automatic and bench-top hardness testers, covering all hardness testing requirements, together with products that extend their functionalities such as indentation readers and case depth analyzers.

Bench hardness tester AT250

Rockwell Hardness Testers by Cisam-Ernst: Precision, Reliability, and Innovation with AT250 D

In the realm of materials engineering, Rockwell hardness testers are essential instruments for measuring material hardness. Cisam-Ernst, with its AT250 D model, embodies the evolution of this tradition, offering a cutting-edge solution that combines the precision and speed of traditional Rockwell hardness testers with electronic innovation for test data processing.

Key Features of the AT250 D Hardness Tester:

  1. Test Speed: The Rockwell principle allows tests to be conducted in just 2 seconds, significantly improving productivity.
  2. Spring-Loaded System: Provides reliable tests that comply with international standards, ensuring measurements are insensitive to material indentation and bending.
  3. Versatility and Precision: Available in both standard and superficial Rockwell versions, the AT250 D conducts precise tests on various materials, adhering to UNI, ISO, DIN, and ASTM standards.
  4. Durability and Adaptability: Resistant to harsh environments, thanks to the spring-loaded system, it maintains performance even under extreme conditions of temperature, dust, and humidity.
  5. Advanced Communication Technology: With a wide range of interfaces, the AT250 D enables easy sharing of measurement data, aligning with Industry 4.0 principles.

Benefits of the AT250 D:

  1. A 2-second test speed enhances quality control efficiency, enabling companies to handle a higher test volume without compromising accuracy.
  2. The spring-loaded system ensures highly reliable measurements that comply with international standards, preventing errors and ensuring product compliance with industry requirements.
  3. The tester's versatility and precision allow it to evaluate a wide range of materials, ensuring compliance with UNI, ISO, DIN, and ASTM standards.
  4. The device's durability and adaptability enable it to be used in various environments, ensuring process continuity even under challenging conditions.
  5. The availability of interfaces allows for easy integration of the hardness tester with digital systems, improving data management and information sharing within the company, offering a competitive advantage.

Evolution of the AT130 Model: The AT250 D line of hardness testers represents the evolution of the well-known AT130 model, a device sold in thousands of units worldwide since the 1970s. It brought significant innovation to the industry due to its ability to quickly measure the hardness of large components with a system insensitive to indentation and bending.

Commitment to Quality and Durability: Cisam-Ernst ensures the precision, reliability, and robustness of its Rockwell hardness testers through a constant commitment to design. Each device is built to deliver high performance over time, even in the most challenging environmental conditions.

Conclusion: The AT250 D hardness tester represents the perfect blend of traditional Rockwell hardness testers and technological innovation. It is an essential tool for anyone seeking a reliable and precise solution for hardness testing of materials.

Product advantages

1 Rockwell principle - Test speed: cycle time 2"
2 Spring loading system ensures: tests insensitive to material deflection or bending during the test - Reliable and faster measurements
3 The spring-loaded system ensures: Compliance with international standards
4 One lever movement = 1 test - Increased productivity
5 Insensitive to deflection and bending - Easy to use, fast and reliable testing
6 Wide choice of interfaces - Sharing of measurement data (Industry 4.0)

Technical details

Power supply Autosetting 100VAC - 240VAC
Loads MOD DR: 60kgf, 62.5kgf, 100kgf, 125kgf, 150kgf, 187,5kgf (588N, 613N, 981N, 1226N, 1471N, 1839N) 
MOD DSR: 10kgf, 15kgf, 15.6kgf, 30kgf, 31.2kgf, 45kgf (98N, 147N, 153N, 294N, 306N, 441N)
Norms and certifications Rockwell - ASTM E-18 - ISO6508
Minimum measurable diameter 4mm
 (indenter 048 + gruppo 022)
Selectable functions scale selection | load time | minimum thickness | mm/inch | round correction | calibration | calibration language | date/time | tolerances | type of indenter | file | measurement archive | printouts | statistics | icons | conversions | sequence | passw
Output interfaces USB Printer - USB export on USB drive 
OPTIONAL: 
RS232 - RS485 - Profibus - Ethernet MODBUS-TCP
 - Bluetooth
Reading On colour touch-screen display 800px x 480px
Languages Italian, English, German, Other languages on request
Load application method Manual
Weight AT250NX 95kg 
AT250TX 125kg 
AT250CAR 165kg 
AT250MUR 115kg
Preload MOD DR: 10kgf (98.1N) 
MOD DSR:: 3kgf
Working principle MOD DR: Rockwell 
MOD DSR: Superficial Rockwell
Standard scales MOD DR: Rockwell: HRA, HRB, HRC, HRD, HRF, HRG Brinell: HB10 HB30 other scales on request MOD DSR: Rockwell: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T other scales on request
Working area dimensions STAND TX: max. measurable height: 
240mm (400mm w/o elevating srew) Depth: 225mm STAND NX: max. measurable height:
 210mm Depth: 240mm
Memory 400 files with 2500 storable values for every file
Overall dimensions AT250NX 30cm x 60cm x h73cm 
AT250TX 30cm x 60cm x h95cm AT250CAR 95cm x 33cm x h133cm 
AT250MUR 30cm x 70cm x h110cm
Via Monte Tagliaferro 6 - 21056 Induno Olona (VA) - Italy T. +39 0332 200 216 - F. +39 0332 202 623 corporate@cisam-ernst.com
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