... Because of the small size, this instrument is especially suitable for engineering field measurement Feasures 1,By electromagnetic method, the meter ... 2, Four digitals LCD display, differentiating upto μm.3, System calibrating by user-self.4, Pocket shell, convenient for ... Humidity:20%~75% Without strong magnetic field environment.14, Storage temperature: -40 ~ +70°C.15, Dimensions:165mm (L)×60mm ( ...