Huazheng HZ-B+ 声学和磁性同步指针 (100Hz-1500Hz)

Impact discharge sound magnification: >90dB, impact discharge volume upper limit 84dB(A) can be turned on or off

Sensor dynamic range:

Sound channel: >104dB

Magnetic channel: >110dB

Sensor operating frequency: 100Hz-1500Hz

Filter settings:

No filtering: 100Hz-1500Hz

Low-pass filtering: 100Hz-400Hz

Bandpass filtering: 150Hz-600Hz

High-pass filtering: 200Hz-1500Hz

Power supply: >10 hours, chargeable

Alkaline batteries

Lithium battery

LCD Monitor: TFT super bright true color screen, 320x240

Manual