Máy đo điện trở tiếp xúc, cầu đo điện trở NBD Technologies DRM-1A
The DRM-1A is a high precision micro-ohmmeter (1µΩ to 200Ω) designed for many applications such as welding quality control, mechanical joints quality control, Cadweld exothermic quality control, etc… It is available with a great variety of accessories.