CNYST Portable Ultrasonic Hardness Tester Handheld Ultrasonic Durometer with Probe 2kgf Test force 20N Test Range HV 10-1900 HB 76-618 HRB 41-105 HRC 20.3-68 HRA 60.7～85.6 HV HB HRB HRC HRA Ultrasonic Hardness Tester it will automatically cut off

it will automatically cut off the circuit and alarm to ensure the safety of the experiment

thereby learning plants’ actual demands on nitryl and helping the user identify the shortage of nitryl in soil or whether nitrogenous fertilizer has been applied excessively

Power:DC 5V/2A

Type： Rotating shaking

CNYST Portable Ultrasonic Hardness Tester Handheld Ultrasonic Durometer with Probe 2kgf Test force 20N Test Range HV 10-1900 HB 76-618 HRB 41-105 HRC 20.3-68 HRA 60.7～85.6 HV HB HRB HRC HRA Ultrasonic Hardness Tester it will automatically cut offAbout this item: It can display two hardness scales at the same timethe hardness of Vickers and the hardness corresponding values of another scale be selected can be displayed. t uses a 3. 5 inch IPS(In Plane Switching) digital LCD, the information is clear and intuitive. Automatic detection the force of probe. Hardness scales (HVHBHRAHRBHRC). It contains three user material settings, greatly facilitate the hardness test of special materials, it is