The SmartReader Plus® Model 4 two channel, Low-Pressure Differential Datalogger is designed for monitoring air or inert gas pressure. Five models cover pressure ranges of ±10 in., ±5 in., ±2.5 in., ±1 in., and ±o.5 in. Suggested applications include recording building envelope pressure, room-to-room pressure, duct pressure, and with a Pitot tube, duct airflow measurements. Model 4 features include standalone operation, and download capabilities to a PC either locally or over a phone line.

—ACR Systems, Inc.

Surrey, BC, Canada