Product description The basic type coating thickness gauge ac-110 series have two types: type c ( integral type ), type cs ( separate type ); suitable for automotive, paint layer coating thickness measurement; integral type suitable for single-hand operation, large probe with large contact surface have better stability, users can get continuous, good repetitive and precise measurements. Separate type can provide several type probe, measure can be more flexibility. Product parameters Measuring range0~1250 um 0~50mil (other range may be specified) Resolution0.1 um (0~99.9um)/1 um (over 100um) Accuracy:1~3%n or 2.5 um or 0.1mil (whichever is the greater) Minimum measurement area6 mm Size120x63x25 mm Power supply2x1.5vaaa um-4 battery Weight90 g (not including batteries)  Product accessories Standard accessoriesMain unit Calibration foils Substrate ( iron ) Substrate ( aluminium ) Carrying case Operation manual Optional accessories Usb data output Bluetooth data output Buying guide When you choose the model number of amittari instrument, the default is standard delivery. If you need other optional accessories, please tell our customer -service worker. The following three items are basic optional accessories choices Standard accessories+usb data output Standard accessories+bluetooth data output Bluetooth accessories Portable platstic case