12 Essential Health Monitoring Devices in India (10 Must-Haves + 2 Emerging Picks)

4. Portable Pulse Oximeter

A fingertip pulse oximeter measures blood oxygen saturation (SpO2) and pulse rate, which proved valuable during the pandemic and remains useful for people with respiratory disease or heart issues. It’s simple to use: clip it on a clean fingertip, keep the hand steady, and read the percentage. Readings below usual personal baselines — often mid-90s for healthy adults — should prompt a medical check if symptoms exist. Oximeters vary in quality; cheap models can be noisy or give inconsistent values for darker skin tones or poor peripheral perfusion, so read reviews and pick brands with dependable sensor tech. Remember that SpO2 is one part of the clinical picture; breathlessness, chest pain, or persistent cough needs clinical evaluation regardless of a single oximeter value. For households with elders or people recovering from respiratory infections, keeping an oximeter handy helps spot changes early and decide when to contact a doctor.