EH-10 ultrasonic hardness tester Product Description: ultrasonic hardness tester is a high-end product hardness testing products in Europe and the United States has gained popularity it is the trend of the domestic hardness testing of product development is the only nondestructive accurate measurement of thin coating and other products, for a long time because of the technical reasons producing the products manufacturers rarely (really form mass production only) so we in the promotion and propaganda is not enough to make many users in an embarrassing state can only choose some not too suitable products detection means roughly. Standard configuration: serial number, name the number of single bit 1EH-10 instrument host 1 2 1 3 standard gauge head