Máy đo cường độ từ trường Extech 480823 (0 đến 19.99μTesla, 1trục)

Features:
• Large 1/2" LCD (1999 count) display of
Electromagnetic Field (EMF) level in milliGauss or
microTesla
• Accurate measurements to 4% over a measuring
range of 0.1 to 199.9mGauss (0.01 to 19.99μTesla)
• ELF frequency bandwidth of 30 to 300Hz
Single axis - sampling 2.5 times per second
• CE approved, one year warranty
• Dims: 5.2x2.8x1"(132x71x25mm);
Weight: 6oz (170g)
• Complete with 9V battery