-2-
2.
Specifications
● Standard : IEC651 TYPE2, ANSI S1.4 TYPE2.
● Accuracy : 1.5dB (@94dB of 1kHz, @straight
direction).
● Frequency response : Refer to page 7.
● 3 Ranges : 30dB ~ 80dB
50dB ~ 100dB
80dB ~ 130dB
※
Measurement range is from 30dB to 130dB.
● Frequency weighting characteristics : A , C.
Time weighting characteristics : F Fast
S Slow
Averaging time : F 125ms
S 1000ms
● Microphone : ¼ inch ECM.
● Display : 3½ digits with bargraph.
Sampling rate : 2 per second.
● Max. Hold
● Min. Hold
● Over range indicators : ◄: under
►: over
● dB output : AC signal, 1V full scale for every range;
output impedance is about 100Ω.
● Low battery indicator :
● Battery : 9V 006P, 6F22 or equivalent (alkaline).
