Wohler SP 22 Manual page 13

1. Specification
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
Automatic Range
Digital Display
Quasi-Analog Bar Indicator
Range:
Time Weighting
1.2 Technical Data
Microphone
Analog Output
Size:
Weight:
Operating Temperature:
Storage Temperature:
Battery:
Battery Life:
e-Mail: international@woehler.de
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:
30 ... 130 dB
3 1/2 digit LCD,
resolution: 0.1 dB
update: every 0.5 seconds
1 dB display steps, 50 dB display ran-
ge, updated every 50ms
50 dB
FAST (F): 125 ms
SLOW (S): 1 s
6 mm diameter Electret condenser micropho-
ne
AC: 0.707 Vrms (at full scale)
DC: 10 mvDC/dB
80 mm x 256 mm x 38 mm (3"x11"x1.5")
240 g (10.3 oz)
4 ... 50 °C, 10 ... 90 % Relative Humidity
-20 ... 60 °C
9V Battery
Approximately 20 hours
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Wöhler SP 22
13