Integrating-averaging Sound Level Meter Type 2240 – Instruction Manual36
B.3 Irrelevant Topics
This section is included to have a reference for the cross-indexes to topics that are not provided in or
are irrelevant for this product. References are made to the following texts:
a) No user-selectable thresholds are provided
b) No connections are provided to permit insertion of an external filter or analyzer
c) No electrical digital output is provided
d) The extent of the display device is greater than the linear operating range on any level range
e) No automatic range-control system is provided
f) Optionally detailed tabular descriptions not included
g) No optional frequency responses are provided
h) The filter is a part of Type 2240
i) Neither recommended nor harmful
j) Only the limitations specified according to chapter 8 of the standard
k) No correction information needed
l) No components of the sound level meter are intended to be operated only in an environmentally
controlled enclosure
m) No greater field strengths specified
n) No performance degradation or loss of function specified
o) Neither analogue electrical nor DC output is provided
p) No manufacturer-provided auxiliary devices provided
q) No optional FLAT frequency response provided
r) Not recommended, see IEC 61672 – 1 paragraph 5.2.7
s) No Lin frequency response provided
t) No integral computer software
u) No alternative display
v) No microphone correction networks used
w) No cables used
x) Single-channel instrument
IEC 61672–1 (cont.)
Standard Paragraph Manual Section
9.3 m) B.3 m)
9.3 n) 1, 4.2
9.3 o) 3.6.2
App. C3 4.9.5
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