STANDARDS: EN 12390-4 / ASTM C39 / AASHTO T22

General description

These machines represent the advanced evolution of the standard motor operated compression tester, where the three main parts of the machines: frame, power unit and measuring system, have been totally redesigned and integrated for this particular function obtaining performances very close to that one of the automatic and most sophisticated testing systems.

These machines are ideal for control and commercial laboratories to test cubes, cylinders or blocks to the new EN Standards.

Upgrading machines options

These machines can be upgraded conforming to the client requirement by the following options:

• Block testing
• Power pump wiht two-way valve to connect a second frame (Digimax 3 version only).

Frame

• Four column rigid welded steel construction.
• Platen hardness: minimum 600 HV30
• Ram travel: 50mm

Pilot 3 hydraulic power unit  

High volume – low pressure feature for fast approach ram action and change over to low volume – high pressure for testing. Fitted with special pressure – compensated flow control valve, which automatically allows a precise rate of loading over the complete test.

Safety features  

• Max. pressure valve to avoid machine overloading
• Pressure release system to avoid pumping the piston out of the cylinder
• Front and rear transparent fragment guard
• Piston travel limit switch

They are proposed with two different strength measurement systems

1. Wizard single channel basic digital readout unit

• 5 keys membrane keyboard.
• LCD display 2x16 characters.
• Resolution: 1/32.000.
• Verification in real time of the load rate.
• Serial port for PC and columns serial printer for Wizard Basic unit (optional)

Specifications 

2. DIGIMAX 3 Three channels graphic display unit 

• Large touch screen 240x128 pixel graphic display
• Permanent memory SD 128 Mb (thousands of tests)
• Real time clock/date
• 3 channels res. 130.000 div. (better than 0.025 ‰ of full scale)
• Serial outputs for real time and delayed data downloading to PC and printer, USB port for inkjet A4 printer

• Languages: English, French, Spanish, German, Italian
• Unit selection: kN, kgf, lbf
• Simultaneous display of load, stress and load stress rate
• Real time graphic display of test data, load/time curve and actual load rate
• Test identified by date, time, test number, operator name, type of test, type of specimen, specimen dimension, area, weight, age, failure load, failure stress, and test load rate
• Real time download to PC by RS 232 port
• File management function
• Software calibration, password protected
• Linearisation of load sensor curve (from 1 to 6 segments) and automatic interpolation for high accuracy of the system.

Specifications  

All these machines are supplied in Class 1, starting from the 10% of the full range as standard, but with a aprecial calibration procedure identified we can grant Class 1 starting from 1% of the full range.

Specifications 

All these machines are supplied in Class 1, starting from the 10% of the full range as standard, but with a aprecial calibration procedure identified we can grant Class 1 starting from 1% of the full range.