NBM-11 whole body contamination monitor was used to monitor staff leave the Heat locker room before changing into the cold, people who may be the α, β pollution, but also can take into account the γ radiation (optional) measurement; also be used for various experiments room staff in export α, β radiation monitoring, control of illegal workers to carry radioactive material or radioactive contamination. NBM-11 whole body contamination monitor either as a single device surface contamination, but also can read a variety of personal dosimeter instruments used in combination to achieve the personnel of the absorbed dose measured the effective management and control.