• Weatherproof housing for use in outdoor or condensing environments
• High accuracy
• Replaceable Relative Humidity sensor provides fast response and superior recovery from condensing conditions
• Small-diameter external sensor versions for measurements in tight spaces
• Optic USB interface for fast and reliable download
• Environment: The U23-002 Data Logger is for use in Outdoor environments
• Measurements: The U23-002 Data Logger supports the following measurements: Temperature, Relative Humidity

The HOBO by Onset Pro v2 External Temperature/Relative Humidity Data Logger is a weatherproof data logger with an external Temperature and Relative Humidity sensor on a 6-foot cable for fast sensor response and deployment in tight spaces. The Relative Humidity sensor features fast response and superior durability in humid environments and is user-replaceable.

The HOBO Pro v2 logger’s environmentally rugged case is designed for years of reliable use in outdoor applications. It has enough memory to record over 42,000 12-bit measurements.

The logger uses an optical USB communications interface (via a compatible shuttle or base station) for launching and reading out the logger. The optical interface allows the logger to be offloaded without compromising the electronics. The USB compatibility allows for easy setup and fast downloads.