Digital Test Hammer Model HT225-W+ Specification :- Measuring Ranges – 10-70MPa Impact Energy – 2.207J Spring Constant – 785+30N/m Spring Extension – 75+0.3mm The average rebound values on steel anvil 80+2 Data Storage – 480000 testing results 20 special test strengty curves could also be planted into Size – L280mm x D54mm Weight – 1.2KG Power Source – 1×3.7V/2000mAH Lithium battery Features :- * Voice Service, LCD and scale readings are double guarantee the accuracy of the test values. When in-site test in case without power still can get the measure results through the scale. Voice service can improve the efficiency of work at special environment. * Machine core applys imported metal material, high precision, long service life. * The host and sensor integration desing, easy to operate and efficient. * High-resolution LCD color screen 176 x 220. * USB fast communication with PC. * Easy to operate, friendly system interface. * Non-contact metal reflection grating and reflective encoder sensing with high precision. * The difference between displayer and scale <=0.5