Di Log Humidity & Temperature Meter

Amazon

A compact probe size, with combined humidity and temperature meter Ideal for field use offering high accuracy and fast response measurement The addition of dew point and wet bulb reading makes this a truly versatile instrument

Test-meter.co.uk

Compact DiLOG DL7102 humidity and temperature metre. Measures 0-100% humidity, up to 100°C. Features wet/dry bulb readings, backlit LCD, auto power-off. Lightweight design for field use.