... used in the measurement of remnant magnetism of mechanical processing, magnetic polarity, remnant demagnetizing field of products ... the motor magnetism, leakage of electromagnetic field and AC space field.Main features. Small and light, easy ... than 80 hours continuously.DC or AC peak hold.DC and AC magnetic field,two range 0- ... : 0.00~2000.00mT, Resolution: 1mT AC×1 range: 0.00~200.00mT, Resolution: 0 ...