multi-function meter: temperature, air velocity, relative humidity, light meter and sound level meter

The GBP 117.00 HHF81 air velocity meters render temperature and velocity or humidity and temperature readings simultaneously. It also comes equipped with an exclusive light sensor with a color correction filter and a photo diode. And the spectrum meets C.I.E. Photopic. The front panel button allows users to select foot-candle/lux units and the thermocouple small input socket of type K is compatible with all models of K probes.