The TR-72wf-H wi-fi-based 2-channel temperature/humidity data logger from T&D Corp, Santa Fe, NM, offers temperature and humidity monitoring on separate channels. Temperature measurement ranges from –30°C to +80°C with resolution of ±0.3°C (0 to 50°C Range) and ±0.5°C (all other temperatures). Measurements are available in centigrade or fahrenheit. The humidity range is 0 to 99% RH, with resolution from ±2.5 to ±4.0% RH, dependent on temperature and humidity. The device interfaces easily with a smartphone or tablet and can be configured and operated without a PC, uploading data to T&D’s cloud-based WebStorage service. A free ThermoWeb app is compatible with both IOS and Android systems. Users can also sign up for alert emails. For more information, visit T&D.