Model
407780
‐
EN
v2.3
1/14
4
Display Description
1. Level
range
2. Date
information
3.
Leq: Equivalent continuous
4.
SEL: Sound exposure level
5.
SPL: Instantaneous sound pressure level
6. Low-Battery
indicator
7.
MAX: Maximum SPL value is held during measurement.
8.
MIN: Minimum SPL value is held during measurement.
9.
INST: Instantaneous of sound pressure level
10. Data
recording
11. Measuring
value
12. Memory
full
13. Unit
14. Frequency
weighting
(A/C)
15. IMPULSE
time
weighting
16. When the TIME display icon switches on, the real time clock is displayed. When the TIME
icon is off the display shows elapsed time for Leq and SEL measurements.
17. Bargraph (100dB range with 50 segments)
18. Range
over
19. SLOW
time
weighting
20. FAST
time
weighting
21. Measurement completion of Leq and SEL
22. Measurement interruption of Leq and SEL
23. Leq and SEL readings
24. Under
Range
