Specification - Wohler SP 22 Mode D'emploi

1. Specification

1. Specification
1.1 Important information
!
Carefully study and observe all items of these operating instruc-
tions before commissioning the unit.
!
In principle, the Wöhler SP 22 should only be used by skilled
personnel for its intended purpose and within the specified range
of data. Any liability or warranty for results established or for de-
fects caused when using the unit is excluded by all means.
1.2 Applications
The digital sound level meter SP 22 provides automatic or manual ranging in
six measurement ranges from 30 to 130 dB. The unit features 0.1 dB resoluti-
on.
A background noise absorber permits you to measure sound levels accurate-
ly even in the presence of high background noise.
The meter allows you to select between fast and slow response times and A
and C weighting. A maximum hold function is provided.
Jacks on the meter provide both AC and DC analog output, while a digital
RS-232 interface allows you to use an optional cable to capture sound level
data on a PC.
1.3 Measured Values
Measurement Frequency Range
Accuracy
Measurement Level A Weighting
Measurement Level C Weighting
Measurement Level Range
30 ... 80 dB, 40 ... 90 dB
50 ... 100 dB, 60 ... 110 dB
70 ... 120 dB, 80 ... 130 dB
12 Hotline: +49 2953 73-211
31.5 Hz ... 8 KHZ
± 1,5 dB (under reference conditions)
30 dB ... 130 dB
35 dB ... 130 dB
6 ranges i n 10 dB steps:
Fax: +49 2953 73-250
Wöhler SP 22