BK Precision 731A Anemometer with Wand Probe The B&K Precision model 731A is a mechanical vane on retractable cord anemometer designed to measure airflow and air temperature.
The 625 is a portable 3 12 digit, compact sized digital Thermo-Hygrometer designed for simplicity and one hand operation. It can measure and display an environment temperature and humidity in a fraction of a second.