Technical specifications:
Noise calibration source: 94dB @ 1kHz
Measuring range: 30^ 130dB A
Accuracy: +1.5dB (pressure level between reference, 94dB@1KHz)
Frequency response 31.5 8.5KHz
Resolution: 0.1dB
Frequency weighting characteristics: A and C characteristics
Analog pie chart: 2 db / 1 pie chart
Sampling rate: 2 times/sec (fast). 1 times/sec (slow)
AC signal full-scale output: 250 vrms; output impedance is about 600 ohms
DC signal output: 33 mv/dB
Dynamic characteristics: fast (high speed) / slow (low speed)
Data storage quantity: 32000 readings
Power supply: 6 v (4X AA; size 1.5 v battery)
Size: 245*70*45mm.
Weight: 400g
If you have any questions, please contact us in time, we will reply to your inquiry within 24 hours.Thank you for your patronage。