TSI PresSura Monitors and Controls are the system of choice for hospital room pressure monitoring. For over 30 years, hospitals, laboratories, and cleanroom facilities have chosen TSI products for monitoring of their critical environments. TSI products are online in isolation rooms, protective environments, operating rooms, and other controlled areas. PresSura Room Pressure Monitors and Controls are also extremely effective for laboratory monitoring and cleanroom monitoring. By accurately measuring room pressure differential, ventilation rates (air changes per hour), temperature, and humidity, TSI products control the spread of contaminants in applications that matter.