... TD series XRD characteristics:*the tertiary non-disturbance isolation protection, *the performance is more superior,*the failure ... over-temperature, machine over-current protection and X-ray tube power protection etc.Goniometerstructurehorizontal(θ-2θ)vertical(θ-2θ)Sample ... than 0.1 μSv/haggregative indicatorSafety indicatorsProtection system for double protection, have a big and a small shield, ...