Digital Spirometers segmentation by type distinguishes handheld, desktop, portable and integrated‑EHR models, each contributing distinct revenue streams. Handheld units, weighing under 500 g and powered by rechargeable batteries, dominate the home‑care and telemedicine sub‑markets, accounting for roughly 40 % of total sales due to their low cost and ease of patient use. Desktop systems, featuring advanced flow‑sensor arrays and full‑screen displays, are preferred in hospital pulmonary‑function laboratories, representing about 35 % of the market; their higher accuracy and compliance‑grade certification justify premium pricing. Portable devices bridge the gap between handheld convenience and desktop precision, capturing roughly 20 % of revenue by serving field clinics and mobile health units that demand ruggedness and extended battery life. Integrated‑EHR solutions embed spirometry functionality directly into broader diagnostic platforms, contributing the remaining 5 % and growing as health‑system digitization accelerates. The relative weight of each type reflects procurement policies, clinical workflow requirements, and cost‑effectiveness analyses that shape the overall Digital Spirometers market taxonomy.