Digital Sound Level Meter LUTRON SL 4010

Digital Sound Level Meter LUTRON SL 4010 Lutron SL 4010 DIGITAL SOUND LEVEL METER  Large LCD display, easy to read  Characteristic of " A " frequency weighting network are designed to meet IEC 651 type 2  " Fast " time weighting characteristic mode  Built-in adj. VR is available for easy calibration  Condenser microphone for high accuracy & long-term stability  Hold function to freeze the display value  Warning indicator for over and under range  LCD display for low power consumption & clear read-out even in bright ambient light condition  Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case  Small and light weight design allow one hand operation  Low battery indicator  High quality with economical cost  Supplied with instruction manual