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.)About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we'll make you feel satisfied.