Description
1.Auto range for sound with A frequency weightings
2.cosine corrected silicon diode sensor for lux levels
3.70mm vane for airflow
4.semiconductor sensors in the probe for humidity and ambient temperature measurements
5.c/f temperature measurements
6.55mm LCD display with backlight and function indicators
7.data hold function freezes displayed value
8.Max hold display highest measured valued
9.Max memory display highest measured value since power on
10.auto power off
11.low battery indication