Semi-reusable Inductive Belts, should last for around 70 uses. Different sizes available. Belt comes with 2 x press-stud connections - requires Interface Module for Thorax (NS-7471) or Abdomen (NS-7472).
BIONEN Respiration Sensor Plate, includes an integrated mini-amplifier and battery. Ideal for measuring thoracic or abdominal movements (works well with where a standard velcro-strap belt moves too much), 1m cable.