Narang Medical Limited manufactures Battery operated Digital Blood Pressure Monitor. Narang Medical Limited is an ISO 9001: 2008 certified company offering a wide range of Hospital Furniture, Medical Equipment and Orthopaedic Implants. The Battery operated Digital Blood Pressure Monitor of model number NML08 is a blood pressure analysing system available with built-in flash memory up to 1000 items for each user. The Battery operated Digital Blood Pressure Monitor measures by Oscillometry and is suitable for used by both adult and paediatric patients.