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407790A Real Time Octave Band Analyzer
Brand: ExtechExtech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD.
Features- Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB.
- 3.5" (320x240) 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" (13.2 mm) 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
Brand
1/1 Octave & 1/3 Octave
- 1/1 Octave Band Center Frequencies: (9 Bands),
1/1-1/3 Analyzer Level Range
- 5 Ranges in 10 dB Steps: 20 to 90 dB, 20 to 100 dB, 20 to 110 dB, 30 to 120 dB, 40 to 130 dB
Accuracy
- ± 1.5 dB (Ref 94 dB @ 1 kHz)
Applicable Standards
- ANSI S1.4 Typical 2, EN IEC 60651, EN IEC 60804, & EN IEC 1260-1995
Dimensions, Weight
- 13.6 x 3.9 x 2.4” (345 x 100 x 60 mm) / 33.5 oz. (950 g)
Display
- 3.5” (89 mm) 320 x 240 TFT Color Backlit LCD, Displays 1/1, 1/3, & 1/1 & 1/3
Frequency Range
- 25 Hz ~ 10 kHz
Frequency Weighting
- A, C, & Z
Measurement Functions
- Lp, Leq, L, Lmax, Lmin, L, L, L, L, L,
Measurement Time
- 1 s to 23h 59 M 59 s
Memory
- MicroSD Card (Included)
Power
- Four Typical C Size 1.5 V Batteries, External DC Power: 6 V, 1 A
Signal Output
- AC Output: 1 Vrms (At Full Scale), DC Output: 3.0 V, 25 mV/dB
Time Weighting
- Fast, Slow, 10 ms (τ), I
