•4 in 1 professional measuring instrument: Anemometer, Hygrometer, Thermometer, and Light Meter
•Compact bone shape with lightweight and small size case design
•Wristlet design provides extra protection to the instrument especially for one hand operation
•Low-friction ball bearing mounted wheel design provides high accuracy at high and low air velocity
•Exclusive photo diode and color correction filter light sensor, spectrum meets C.I.E. photopic
•High precision thin-film capacitance humidity sensor with fast response to the humidity changes
•Standard type K (NiCr-NiAl) thermocouple input jack suitable for all kinds of type K probes
•Built-in microprocessor circuit assures excellent performance and accuracy
•Compact buttons for easy operation
•Memorize the maximum and minimum value with recall
•6 button touch pad
•°C / °F selectable
•LUX / FC selectable
•Air velocity measuring units selectable
•Multi channel display for relative humidity and temperature
•Zero button design makes light meter calibration easy
•Measures air speed, humidity, temperature and light