Electronic testing devices

... ASTM C597. The majority of Ultrasonic concrete tester or ultrasonic pulse velocity tester (UPV) requires transducers with frequency of 50 to 100 kHz. However higher frequencies are preferred for testing ...

... ) is a new innovative device designed to check the state of rolls wear in order to improve the performance of the mill and avoid possible losses in the production process. The device kit is essentially ...