Extech 407790A Real Time Octave Band Analyzer

Extech 407790A Real Time Octave Band Analyzer

分类: Sound Meters / Decibel Meters 已售罄
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Specifications Range
Applicable standards ANSI S1.4 Type 2, EN IEC 60651, EN IEC 60804, and EN IEC 1260-1995
Accuracy ±1.5dB (ref 94dB @ 1kHz)
Measurement functions Lp, Leq, LE, Lmax, Lmin, L05, L10, L50, L90, L95,
Frequency range 25Hz ~ 10kHz
Frequency Weighting A, C, and Z
Time Weighting Fast, Slow, 10ms (τ), I
Display 3.5'' (89mm) 320x240 TFT color backlit LCD; Displays 1/1, 1/3, and 1/1 & 1/3
1/1- 1/3 Analyzer level range 5 ranges in 10db steps: 20 to 90dB, 20 to 100dB, 20 to 110dB, 30 to 120dB, 40 to 130dB
1/1 Octave and 1/3 Octave 1/1 Octave band center frequencies: (9 bands);
1/3 Octave band center frequencies: (27 bands)
Signal output AC output: 1 Vrms (at full scale); DC output: 3.0V, 25mV/dB
Memory microSD card (included)
Measurement Time 1s to 23h 59m 59s
Power Four type C size 1.5V batteries, External DC power: 6V, 1A
Dimensions/Weight 13.6 x 3.9 x 2.4'' (345 x 100 x 60mm)/ 33.5oz (950g)

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