REED R8085 - Comparison of Frequency Weightings and Tolerance Limits; Time Weightings (Fast & Slow) Characteristics; Included

7
Comparison of Frequency Weightings and Tolerance Limits
Frequency
Hz
A Weighting
Characteristics
C Weighting
Characteristics
Tolerance
(IEC 61672
class 2)
31.5 -39.4dB -3dB ±3.0 dB
63 -26.2dB -0.8dB ±2.0 dB
125 -16.1dB -0.2dB ±1.5 dB
250 -8.6dB 0dB
±1.5 dB
500 -3.2dB 0dB ±1.5 dB
1K 0dB 0dB
±1.0 dB
2K +1.2dB -0.2dB ±2.0 dB
4K +1dB -0.8dB ±3.0 dB
8K -1.1dB -3dB ±5.0 dB
Time Weightings (Fast & Slow) Characteristics
Time Weighting
Characteristics
Max Response
Reference
continuous Signal
Tolerance
(IEC 61672 class 2)
F (Fast) -1.0dB ±1.0 dB
S (Slow) -4.1dB ±1.0 dB
Included
• Dosimeter
• Microphone with Clip
• Batteries
• Wrist Strap
• Carrying Case
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