MISOL 1 unit of Digital Sound Pressure Level Meter 30~130 dB Decibel Noise Measurement

Digital Sound Pressure Level Meter
Features:
1.This unit was designed according to the IEC651 TYPE2& ANSI S1.4 TYPE2 for sound level meters.
2.Instantaneous Sound measure function.
3.Measurement Range: 30-130 dB
4.Fast & Slow dynamic characteristic modes.
5.AC and DC signed output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.

Specifications:
1.Accuracy: +/-1.5 dB (under reference conditions:94db at 1kHz)
2.Frequency range:31.5 Hz~ 8.5K Hz
3.Linearity range:50 dB
4.Measuring level:30~130 Db(A), 30~130 dB(C)
5.Frequency weighting: A, C
6.Digital display:4 digits, Resolution: 0.1dB,
7.Level ranges:30-80dB,50-100dB,60-110 dB,80-130 dB,30-130dB
8.Over indicate over range: Under indicate less than lower limit of the range.
9.AC output: 0.707 Vrms at FS output impendence approx 600 ohm
10.DC output: 10mV/dB output impedance approx.100 ohm
11.Time weighting:Fast/Slow
12.Microphone:1/2 inch Electret Condenser microphone
13.Max:Maximum hold
14.Power supply:4* AA 1.5V alkaline battery (not included) or DC 6V (not included)
15.Self calibration time: 3 sec (every turn on)
16.Operating Temperature:0 to 40 cel.degree, Operating Humidity: 10% to 80% RH
17.Storage Temperature: -10 to 60 cel.degree, Storage Humidity:10% to 70%RH
18.Dimensions:256*70*35mm
19.Net Weight:approx. 220g