SUN-7 frequency division electric mill sound measuring instrument is a a upgrade product for double-stained mill sound measuring instrument. Using the latest frequency-selection and loudness measurement technique, to measure the audio signal cased by the ball mill, then to tell the load condition of the ball mill.

Frequency-selection technique, accurate measurement

The cross-talk compensation technique can avoid interference by other nearby ball mill

With a foam in the mill head for sound insulation

Measurement display range：0~100%

Display: ribbon indication, LED screen digital dual display

Measured frequency bandwidth: 280Hz~4500Hz, with 48 levels frequency adjustment  

Output alarm: light alarm, the alarm value can be adjusted

Cross-talk input: 0~6V

Currency output: 4~20mA