Application:The dental pulp vitality tester is an instrument that uses a machine to produce pulse current and stimulates the tooth nerve, then records the response value of the tooth nerve to the electrical stimulation, so as to judge the vitality of the tooth nerve,which ensure the accuracy of doctor's judgement on the patient's pulp vitality.Adjustable Frequency:To press the speed control button to choose three preset speed mode (high-mid-low speed),while the different indicator lights will be on.Data descriptionThe maximum stimulus----80.Between 0-40, the patient feels ache and anesthesia, it is the alive teeth nerve.Between 40-80,with above-mentioned reaction,part of teeth nerve dead. 80, no above-mentioned reaction, dead teeth nerve.About Testing:To increase a gentle pulsed stimulus at a rate,If the patient indicates perception, simply release the button. The stimulus stops immediately, but the numbers remain on the tester for about 3 minutes.It is easy to read.Economical:This pulp tester is battery-operated, Standard 9-Volt batteries, the device turns itself off three minutes later after operation(No wasted batteries.)