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Primary Indicator Range
IEC 60651:1979 (1kHz)
41.0 – 93.0
55.0 – 113.0
75.0 – 133.0
(Primary Indicator Range allows for a crest factor of 3 or approximately 7dB)
Linearity Range & Pulse Range
IEC 60804:2000
41.0 – 100.0
55.0 – 120.0
75.0 – 140.0
Level Ranges (dB) for Peak Hold Display
(wrt 1kHz)
63 .0 – 103.0
83.0 – 123.0
103.0 – 143.0
Typical Electrical Self Generated Noise Level:
32 dBA, 38 dBC
Total Measuring Range:
The difference between the lowest possible measurement on the most
sensitive range and the highest level on the least sensitive range at a
frequency of 1kHz.
A Weighted
C Weighted
41.0 – 140.0
47.0 – 140.0
Reference Points:
Description
Value
Sound Level
94.0dB
Range
55 - 120
Frequency 1kHz
