T.E.N.S. Therapy Device – Physiotherapy Equipment T.E.N.S. Therapy Device BE 28 T is a portable devices to T.E.N.S. antalgic therapy and are useful in situations involving pain, in rheumatology cases and in post-traumatic care. The pain is an individual phenomenon, not standardized, and therefore it needs all that technology development and progress can make available. Transcutaneous nerve stimulation has a direct effect on peripheral nerves: it blocks the impulse of pain and increases production of endorphins in the body through small muscle contractions.