Sound Level Meter Sl 130-b

We are offering sound level meter sl 130-b.
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
----35~130 dbc
*accuracy: ±1.5 db
*digit & resolution: 5位 & 0.1 db
*frequency response: 31.5hz ~8.5khz
*measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
* frequency weighting characteristic: a & c
* time weighting: fastslow
*sampling rate: 2timessecond
*microphone：12 inch polarization capacitance microphone
*acdc output
*max reading
*pwm output
*calenda
*4700 data store
*usb computer interface
*analysis software
*overload indication: over under
*automatic backlight
*low battery indication
*auto power off