The Pulp Tester is a kind of instrument that produces pulse current, and makes electric stimulation to the tooth nerve, and record the reacting value the nerve to the electirc stimulation in order to estimate the livingless of the nerve. It mostly assures the precision of the dentist’s judgment to the tooth nerve of the patient. Feature: 1-Preset speed mode(high-mid-low speed) 2-Agentle ,pulsed stimulus begins to increase at a rate specifically designed for patient comfort. 3-If the patient indicates perception,simly release the buttonthe stimulus stops immediately,bu the numbers remainfrozen on the screen for about 3 minutes.4-Specifically designed for patient comfort.5-Convenient to operate. 6-Maximum stimulus .80.between O-40,the patient feeisache and anesthesia,alive teeth nerve. 7-Between 4O80,with above-mentioned reaction,partofteeth nerve dead;80,no above-mentioned reaction,deadteeth nerve. 8-The device turns itself off in three minutes after operation(No wasted batteries)