Discontinued

Extech 407790

Real Time Octave Band Analyzer

The Extech 407790 Real Time Octave Band Analyzer is a Type 2 integrating sound level meter with octave and 1/3 octave band real time display. The 160 x 160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp. It features a 25 Hz to 10 kHz frequency response, real time clock, and an A, C, and flat weighting with fast and slow response time. The built-in memory stores up to 12,280 records in SLM mode and 1024 data points in 1/1 or 1/3 octave mode. This memory can easliy be transferred to a PC via RS-232 interface and analyzed using included software.

Specifications

General
Analog Output AC output: 2 Vrms (at full scale); DC output: 10mV/dB
Frequency Bandwidth 25Hz ~ 10kHz
Microphone Condenser, 0.52" (13.2mm)
Response Time Fast, Slow
Sound Range [dB] 30 to 130dB
Sound Range [dB] Basic Accuracy ±1.5dB (ref 94dB @ 1kHz)
Weighting A, C, and Flat
Additional Details
Certifications CE
Dimensions 13.6 × 3.9 × 2.4" (345 × 100 × 60mm)
Power 4 × C (1.5V) batteries / external supply 6V DC, 1A
Warranty 2 years
Weight 33.5oz (950g)

Resources & Support

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Software Download

Extech 407790 Software

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User Manual

Extech 407790 User Manual

Datasheet

Extech 407790 Datasheet

Export Restrictions

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