Class 1 Sound Level Meter

The SV 971A is a Class 1 Sound Level Meter and Sound Exposure Meter designed for professional acoustic measurements. It features an omnidirectional, pre-polarised microphone, providing a 120 dB range from 17 dBA Leq to 140 dB Peak in a single span. The device maintains IEC 61672-1 linearity from 24–137 dB LAeq over 5 Hz to 20 kHz frequency range, covering acoustics, noise at work regulations, community noise, and environmental sound pressure levels. Built-in A, C, Z, and LF weightings, Fast, Slow, and Impulse time weightings, and IEC 61260-1-compliant octave filters allow this compact instrument to handle both low noise background monitoring and impulsive noise tasks.

• ✔ Communication Interfaces USB, Bluetooth
• ✔ Display Keyboard 8 keys
• ✔ Memory uSD card 32 GB
• ✔ Battery type 4 x AAA
• ✔ Operating time 16-24 hours
• ✔ Operating temperature range -10 °C to 50 °C (14 °F to 122 °F)
• ✔ Humidity range up to 95 % RH, non-condensed
• ✔ Weight 225 grams
• ✔ Size 232.5 x 56 x 20 mm