Diagnostic Neutral Beam (DNB) equipment can provide TOKAMAK with neutral beam for diagnostic. The running parameters of plasma can be analyzed by impinging plasma of TOKAMAK with diagnostic neutral beam.

• 诊断中性束(Diagnostic Neutral Beam,简称DNB)装置用于对TOKAMAK提供诊断的中性束流,此束流轰击TOKAMAK中的等离子体,借以分析等离子体的运行参数。