Standard applied IEC 651 Type2
Range A LO (Low) – Weighting : 35- 100dB
A HI (High) – Weighting : 65-130dB
C LO (Low) – Weighting : 35- 100dB
C HI (High) – Weighting : 65-130dB
Resolution 0.1dB
Frequency Range 31.5Hz to 8KHz
Accuracy +/- 2dB
Dynamic Range 65dB
Frequency Weighting A, C
Time Weighting Slow & Fast
Maximum Hold Decay < 1dB/3min
Microphone Electret condenser microphone
C lib ti Calibration Electrical calibration by using the internal oscillator Electrical calibration by using the internal oscillator
(1kHz sine Wave at 94dB)
Auxilitary Outputs AC conditioned, 0.65Vrms corresponding to each
range step impedance : 600Ω DC conditioned, 10mV/dB (nominally) impedance :
100Ω
Operating Condition 0o
C to 40o
C < 80% R. H.
Storage Condition -10o
C to 60o
C < 70% R.H.
Display 3 1/2 digitals
Power Supply one 9V battery
Size & Weight 240mm(L)x68mm(W)x25mm(H) & 215g