This Extech Humidity Temperature Pen is a pocket-size meter has a dual LCD for simultaneous display of RH and temperature. It features a max./min. memory function, temperature readings that can be switched between °F and °C, and a "clear" function key to erase stored readings.
Each pen includes a pocket clip and an LR44 battery.
Dual LCD for simultaneous display of % RH and temperature (ºC/ºF switchable)
Pocket-sized – ideal for field work
Specifications for Extech Humidity/Temperature Pen