Casella CEL CEL-440 - Manual (Page 56)

All settings and orientations of the instrument have similar
radio-frequency emissions. These radio-frequency emissions are
within the specified limits of this standard.
All modes of operation and connecting device configurations
have similar immunity to power and radio frequency fields.
Time Weightings:
S, F and I according to IEC 60651 - select only one at a time.
RMS Frequency Weightings:
A, C and Z (LIN, 0 dB) - select only one at a time.
A and C weightings according to ANSI S1.4 and IEC 60651.
Z (LIN) weighting 20 Hz to 20 kHz to the tolerances of |EC 60651
weightings for the appropriate Type of instrument (1 or 2).
Peak Frequency Weightings:
C and Z (LIN as above) - select only one at a time.
Amplitude Weighting:
Selection of Q=3 plus one from Q=4, 5, 6 or none.
Dynamic Range:
70 dB.
Measurement Ranges:
70-140, 60-130, 50-120, 40-110, 30-100, 20-90, 10-80 dB.
Pulse Range:
60 dB Type 1, 50 dB Type 2.
Parameters Measured:
L, L eq , L I eq , L AE , L AV , L mx , L mn , L pk , L Tm3 , L Tm5 , TWA, L ep,d
5 LN% values that are user selectable from 0.0 to 99.9%.
Menu Languages:
English, French, German, Spanish, Italian.
Measurement Setups:
Last used configuration saved for each mode.
Page 56 - CEL-440/480 Operators Handbook
Specification