ATH-4S is mainly used in the ignition test of airbags, seat belts and engine hood lifters. The ignition device is equipped with trigger input and multi-channel trigger output used to trigger high-speed cameras, data acquisition equipment, etc.; equipped with multi-channel IO, which can be used for logic control such as lighting, ventilation, access control, etc.; equipped with multi-channel analog input. Sensor signals such as pressure, acceleration and force can be collected synchronously.