Tongfang Health Technology is one of the leading cstf-tz-4000 step tester suppliers,Website:http://www.bodivis-analyzers.com, and a professional manufacturer in China equipped with productive factory, which is able to offer you newest cstf-tz-4000 step tester bodivis, CE, CEMDD, ROHS, ISO9001, and ISO13482 made in China.Step Test Index is the important index of Human Cardiovascular System. First, stand before the step, do up and down the step 3 minutes by following the test voice. After 3 minutes exercises, put your finger in the pulse clip . It will count the pulse number automatically. Finally, the test result will be displayed in the LCD.Technical SpecificationMeasure pulse and calculate heart rehabilitation indexunder certain load automaticallymeasurement: 0~120Resolving:1precision:±1