Introduction: 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. Specification: Level 5 technical specifications Range :200 mT 2000 mT Range of measurements:0 ~ 120% Minimum resolution :10uT Basic accuracy :0~1000mT：±2% ,1000mT~2400mT：±5% Number of digits displayed :4 bits (Decimal) Power supply :one 9 V battery(battery not included) Working temperature :0℃ ~ 50℃ Storage temperature :-20℃ ~ 50℃ Shape size :160 mm × 80 mm × 32 mm Device weight :260 g (including batteries and wires) Hall probe Longitudinal Hall probe, wire length is about 2 meters