RS PRO Sound Level Meter, 30dB to 130dB, 8kHz max
5 Hz, Minimum Operating Temperature: -10°C.RS PRO Sound Level Meter, 30dB to 130dB, 8kHz max, Resolution: 0.1 dB, Weighting: A, C, Z, Display Type: LCD, Battery Type: NEDA 1604, Fast/Slow Time Averaging: Both, Data Logging: No, Maximum Operating Temperature: +50°C, Minimum Frequency: 31.