|
Standard applied |
IEC 651 Type2 |
|
Range |
A LO (Low) - Weighting: 35- 90dB |
|
A HI (High) - Weighting: 75-130dB |
|
C LO (Low) - Weighting: 35- 90dB |
|
C HI (High) - Weighting: 75-130dB |
|
Resolution |
0.1dB |
|
Frequency range |
31.5Hz to 8KHz |
|
Accuracy |
± 1.5dB (ref 94dB @1KHz) |
|
Dynamic range |
55dB |
|
Frequency weighting |
A, C |
|
Time weighting |
Slow & Fast |
|
Maximum hold |
Decay < 1dB/3min |
|
Microphone |
Electret condenser microphone |
|
Calibration |
Electrical calibration by using the internal
oscillator |
|
(1KHz sine Wave at 94dB) |
|
Auxilitary output |
AC conditioned, 0.55Vrms corresponding to |
|
each range step, impedance: 600 W |
|
DC conditioned, 10mV/dB (nominally) |
|
impedance: 100 W |
