3. Technical Specifications
Sound Level:
Measurement range:
A/C Lo 35...100 dB
A/C Hi 65...130 dB
Resolution:
0,1 dB
Typical instrument
frequency range:
30 Hz....10 kHz
Frequency Weighting:
A+C- weighting
Time Weighting:
Fast
Accuracy:
± 3,5 dB at 94 dB sound level,
1 kHz sine wave
Microphone:
Electric condenser microphone
Light:
Measurement range:
20/200/2000/20000Lux
(20000 Luxrange = reading x 10)
Overrange Display:
Highest digit of „1“ is displayed
Accuracy:
± 5% rdg. + 10 digit (Calibrated to
standard incandescent lamp at
colour temperature 2856 k)
Repeatability:
2 %
Temperature-
Characteristics:
0,1 % /
C
Photo-detector:
One silicon photo diode with filter
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