Brüel & Kjær 2240 Guide De L'utilisateur page 11

About Type 2240
Uses and Features
Type 2240 is a Class 1 integrating-averaging sound level meter that measures time-average
sound level as defined in the IEC 61672-1 standard. Its uses and features include:
• Simple sound level checks
• Control of noise levels in the workplace
• Complaint investigation
• Quick and easy to use
• Conforms with IEC 61672-1 Class 1, IEC 60651 and 60804 Type 1, ANSI S 1.4–1983 Type S1
and ANSI S 1.43–1997 Type 1
• Simultaneous RMS and Peak measurements (with independent frequency weightings)
• Measures L
AF
• No parameter configuration needed, the instrument is ready to measure from the start
• Large LCD display screen for easy reading
• Quasi-analogue bar graph shows current sound pressure level
• Under-range and overload indicators
, L , L and L
Aeq AFmax Cpeak
PART 1
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