Product Description 1.The design of TD8620 hand-held digital Tesla meter follows the IEC-61010-1 safety standard, and conforms to the national verification regulation of JJG242-1995 Tesla meter. 2.TD8620 hand-held digital Tesla meter adopts not only the high-sensitivity Hall sensor and high-resolution A / D conversion chip, but also the popular single-chip computer technology and digital filtering technology . 3.It has the advantages of high sensitivity, stable reading, low power consumption , and light weight. The measurement range is 0-2000 Mt, and the basic accuracy is 1%. It has the characteristics of automatic zero, automatic measurement range, keeping of maximum / minimum values, etc. Features: 1.Dedicated to measuring the surface flux density of permanent magnet materials B, range: 0 to 2400 mT 2.The value can be switched by one button: mT (mite) or G (gauss). 3.With automatic zero and auto range, and maximum hold function. 4.With backlight adjustment, power display and automatic shutdown function. 5.Light weight and low power consumption.