Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 45 of 110
Fig. 4.1 Uncompensated electrical frequency response, corresponds to Table
A.1
4.6.2 Typical Low-frequency Responses
The typical Low-frequency Responses for Z frequency weighting are given in Fig. 4.2.
The electrical responses in Fig. 4.2. is the Low-frequency Responses for introduction of
the electrical signal through the recommended means to substitute the microphone
with an electrical input facility (see section 3.3.2)
The Low-frequency Responses are not influenced by the microphone accessories
described in section 1.2.3.
Fig. 4.2 Typical low-frequency responses