A multi-function environment meter that combines the functions of a sound level meter, light meter, humidity meter and temperature meter. Typical sound applications include checking acoustics of recording studios, auditoriums and professional hi-fi installations. The light and humidity meters are ideal for video photographers, greenhouse and hydroponic setups, etc. Others who should find this meter essential include interior designers, factory and office managers, record and archive keepers, schools, hospitals, laboratories and, of course, universities. Sound level meter Light level meter Indoor temperature and humidity measurement Non contact voltage Display: 4000 count Security class: Cat III 300V Basic DCV accuracy: 1% Temperature: -20 degrees Celsius to 750 degrees Celsius (1.2%) Ave/RMS: Ave Input impedance: 10M Special features: Lux, SPL, Humidity Capacitance Ranges : 50.0nF, 500.0nF, 5.0µF, 50.0µF, 100.0µF Capacitance Accuracy : 3.5% Continuity indicator : Needle AC Current Ranges : 400.0µA, 4.0mA, 40.0mA, 400.0mA, 10.0A AC Current Accuracy : 1.0% DC Current Ranges : 400.0µA, 4.0mA, 40.0mA, 400.0mA, 10.0A DC Current Accuracy : 1.0% Frequency Ranges : 5.0Hz, 50.0Hz, 500.0Hz, 5.0kHz, 500.0kHz, 10.0MHz Frequency Accuracy : 1.5% Absolute Humidity : true Resistance Ranges : 400.0?, 4.0k?, 40.0k?, 400.0k?, 4.0M?, 40.0M? Resistanc