Sound Level Meter 40 dB 130 dB 35 dB 01 dB 40 °C 0 °C

Tenma 72-935 Compact Digital Sound Level Meter, Large 3/4" Digit LCD Backlit Display, Frequency Range 31.5Hz ~ 8KHz, Measuring Level Range 40.0 ~ 130.0dB, 1/2" Electret Condenser Microphone Ultra compact sound level meter measures less than 6" in length, including the windscreen, and provides full 40 ~ 130dB measuring range. Perfect for numerous types of measurement including sound system testing and noise level monitoring. Key Features Simple one-button operation Selectable minimum/maximum hold Large 3/4" digit LCD backlit display Threaded insert which accepts standard tripod mount Auto power off 1999 count display with 0.1dB resolution Removable windscreen Includes manual and 9V battery Specifications Frequency range: 31.5Hz ~ 8KHz Measuring level range: 40.0 ~ 130.0dB Frequency weighting: A Microphone: 1/2" electret condenser Display: LCD Digital display: 4 digits, 1999 count Resolution: 0.1dB Refresh rate: 0.5 sec. Time weighting: 125mS Accuracy: 3.5dB @1kHz, 94dB (under reference conditions) Alarm function: Displays OVER when input exceeds 130dB Auto power off: After approximately 15 minutes of inactivity Power supply: One 9V battery, 006P or IEC 6F22 or NEDA 1604 Operation temperature: 0 ~ 40C (32 ~ 104F) Operation humidity: 10 ~ 90% RH Storage temperature: -10 ~ 60C (14 ~ 140F) Storage humidity: 10 ~ 75% RH Dimension: 5 1/4"L x 2"W x 1 1/4"D Weight: 135g (including battery)