HOBO* 2x External Temperature Data Logger, weatherproof data logger with two external soil/water temperature probes on 6-foot cables for fast sensor response and deployment in tight spaces, Accuracy: +/- 2.5% from 10% to 90% RH
HOBO* Pro v2 External Temperature/Relative Humidity Data Logger, 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