Sound Level Meter Sl 130-a

We are offering sound level meter sl 130-a. *this unit was designed according to following standards: ----a. International electrician committee standard: iec pub 651 type2 ----b. Us national standard: ansi s1.4 type2 *measuring range: 30~130 dba *accuracy: ±1.5 db *digit & resolution: 4 digits & 0.1 db *frequency response: 31.5hz ~8.5khz * frequency weighting characteristic: a *sampling rate: 2timessecond *microphone：12 inch polarization capacitance microphone *max reading *automatic backlight *low battery indication *automatic power off