Digital sound level meter SL-1340U 1 piece

It is equipped with a digital display that allows you to instantly check the measurement value, and an analog display that allows you to instantly see the change in the measurement value in a graph. It is equipped with an alarm function that displays "OVER" when the measurement value exceeds the set analog range, and "UNDER" when it falls below. The time constant can be switched (FAST/SLOW) depending on the object to be measured. Comes with an auto power off function (approximately 30 minutes) (can be disabled). Model number: SL-1340U Size (mm): 55 x 25 x 258 Weight (g): Approx. 200 Measurement range: 32.0 to 130.0 dB Accuracy: ±1.4 dB (at 94 dB, 1 kHz) Frequency range: 20Hz to 8kHz Frequency characteristics: A-weighted/C-weighted Digital display: Resolution: 0.1 dB (sampling: 2 times/sec) Analog display: Resolution/2dB (sampling/5 times/sec) Power supply: 1 x 9V battery (included for testing) Battery life: Approximately 40 hours (when using alkaline batteries) Applicable standards: IEC61672-1 Class 2 compliant