Lutron SL-4030 Pocket Type Sound Level Meter Hydrometer

Lutron Sound Level Meter has 3 range selector i.e. 30 to 80 dB, 50 to 100 dB, 80 to 130 dB with 50 dB on each step over/under range indicating.Its measurement range is A Weighting- 3 ranges, 30 to 130 dB and C Weighting- 3 ranges, 30 to 130 dB features:Large LCD display, easy to read, Time weighting and frequency weighting meet, IEC 61672 type 2, External calibration VR, Condenser microphone for high accuracy & long-term stability, MAX. HOLD function for stored the maximum value, Warning indicator for over and under load, 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, Pocket and light weight design allow one hand operation.