"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. 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 . 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."