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Details: Smart sensor AR850+ ultrasonic thickness gauge is an intelligent handhold product
Display:4 digital LCD
Z peak hold function
Conversely velocity is measurable with know thickness
Receiver:-20C~60C
HT-20 Mortar Test Hammer Portable Concrete Resiliometer Hammer Test Range 1.0~25Mpa Home Improvement Details: Smart sensor AR850+ ultrasonicBrand: Graigar Features: Center rod use imported materials, high precision, wear proof. Shell made from super hard aluminum, perfectly protect instrument from damage on site work, and prolong use life.; Pointer slider is outside ring structure, easy to adjust friction, and assure the equal friction between pointer slider and axis, This instrument is specially used in testing the compressive strength of mortar in building brick component. Test range:
