Product Description
Extech 407790A Real Time Octave Band Analyzer
Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5″ 320×240 TFT color backlit LCD.
Features Extech 407790A Real Time Octave Band Analyzer
- Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
- 3.5” (320×240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
- Stores readings on microSD card
- Precise linearity over wide range (100dB)
- Transferred data to a PC to be analyzed using software and cable provided
- A, C and Z weighting with Fast or Slow response
- 25Hz to 10kHz frequency response
- Meets ANSI and IEC Type 2 standards
- Internal self test when powered ON
- Detachable 0.52” (13.2mm) diameter condenser microphone and Tripod mount provided on rear
- Analog AC/DC recorder output
- Real time clock with Year, Month, Day, Hour, Minute and Second display
- Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
- Complete with Windows® compatible software, USB cable, 4 x C batteries, microphone wind screen, mini screwdriver, 120V AC adaptor, and case
Specifications Extech 407790A Real Time Octave Band Analyzer
| 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) 320×240 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) |
Extech 407790A – Manual
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