| Feature: 1. Multi Function Environmental Tester: Measure environmental temperature, humidity, altitude, pressure, illumination, and A C weighted decibels. Features data hold, unit switch, backlit color screen, and maximum display. 2. Versatile Usage: Ideal for accurate and non destructive environmental measurements in laboratories, workshops, outdoors, libraries, indoor lighting inspection, moisture detection, altitude testing, noise level analysis in homes, cars, and hospitals. 3. Noise Decibel A C Weighting: Switch between dBA dBC modes for noise measurement, with maximum reading lock function. Measure noise levels from 30 to 130 decibels with accuracy. Position noise receiver properly for … | |