- Comply with IEC-61672-1 2002 Class 2
- Fast, Slow, Impulse.
- Frequency range: 20Hz ~8KHz.
- Measurement range: 30dB~130dB.
- Dynamic range:100dB.
- A/C/Z frequency
- Storage up to 37,000 records.
- USB interface.
- AC and DC output.
- Bargraph display.