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Machines & Tools > Sound Level Meters > Extech 407790-NIST Real time Octave Band Analyzer with NIST Certificate, Type 2 integrating sound level meter with Octave and 1/3 Octave Band Real Time display, Wide 100dB range of 30 to 130dB, 160x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp (407790NIST 407790 NIST)
Extech 407790-NIST Real time Octave Band Analyzer with NIST Certificate, Type 2 integrating sound level meter with Octave and 1/3 Octave Band Real Time display, Wide 100dB range of 30 to 130dB, 160x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp (407790NIST 407790 NIST)
Extech 407790-NIST Real time Octave Band Analyzer with NIST Certificate, Type 2 integrating sound level meter with Octave and 1/3 Octave Band Real Time display, Wide 100dB range of 30 to 130dB, 160x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp (407790NIST 407790 NIST)

SKU: 407790NIST

Brand: Extech

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Extech 407790-NIST Real time Octave Band Analyzer with NIST Certificate, Type 2 integrating sound level meter with Octave and 1/3 Octave Band Real Time display, Wide 100dB range of 30 to 130dB, 160x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin, and Lp, Built-in memory stores up to 12,280 records in SLM mode and 1024 data points in 1/1 or 1/3 octave mode, Stored data can be easily transferred to a PC via RS-232 interface and analyzed using software and cable provided, A, C, and Flat weighting with Fast/Slow response time, 25Hz to 10kHz frequency response


General Information

Manufacturer

Extech

Manufacturer Part Number

407790-NIST

Product Name

Real time Octave Band Analyzer with NIST Certificate, Type 2 integrating sound level meter with Octave and 1/3 Octave Band Real Time display

Features

  • Wide 100dB range of 30 to 130dB
  • 160 x160 dot matrix backlit LCD displays Leq, LE, Lmax, Lmin and Lp
  • Built-in memory stores up to 12,280 records in SLM mode and 1024 data points in 1/1 or 1/3 octave mode
  • Stored data can be easily transferred to a PC via RS-232 interface and analyzed using software & cable provided
  • A, C and Flat 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 microphone wind cover, PC software on CD, Serial cable, four type C size batteries, adjustment screwdriver, 120VAC adaptor and carrying case

Applications:

  • Real time analysis of noise from any source such as machinery or vehicles
  • Monitor office or plant noise and store data for later reference and analysis
  • Maintain noise level statistics for internal and external audits
  • Perform machinery noise monitoring or use for noise reduction programs

Specifications

Applicable standards IEC 60651 Type 2, IEC 60804 Type 2, IEC 1260-1995, ANSI S1.4 Type 2
Microphone 1/2-inch Electret condenser microphone
Accuracy ±1.5dB (ref 94dB @ 1kHz)
Measurement range 30dB to 130dB
Measurement function Lp, Leq, LE, Lmax, Lmin, La, Lc
Frequency range 25Hz ~ 10kHz
Sound level meter display Numerical: 4 digits, up data cycle 0.5s, resolution 0.1dB
Bar graph: Scale range 100dB , update cycle 0.125s, resolution 0.1dB
Real time clock: Year, Month, Day, Hour, Minute, Second
1/1- 1/3 Analyzer level range 70dB
1/1 Octave and 1/3 Octave 1/1 Octave band center frequencies: (9 bands): 31.5Hz, 63Hz, 125Hz, 250Hz,
band filters 500Hz, 1kHz, 2kHz, 4kHz, and 8kHz.
1/3 Octave band center frequencies: (27 bands) : 25Hz, 31.5Hz, 40Hz, 50Hz,
63Hz, 80Hz, 100Hz, 125Hz, 160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz, 630Hz,
800Hz, 1kHz, 1.25kHz, 1.6kHz, 2kHz, 2.5kHz, 3.15kHz, 4kHz, 5kHz,
Hz, 8kHz 10kHz
Signal output AC output: 2 Vrms (at full scale): DC output: 10mVDC / dB
Power Four type C size 1.5V batteries, External DC power: 6V, 1A
Battery life Approx. 2hrs
Dimensions & Weight 13.6x3.9x2.4" (34.5x10x6 cm); 33.5oz (950g)

A-20070910-1454-130-E

*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.

*** DISCLAIMERS: 1) Availability is not always guaranteed: Please call or email us to double-check stock before placing your order. We ship from our inventory and also drop-ship from hundreds of suppliers. We try very hard to show only available products but sometimes products sell out before we can update the product webpage.  2) Some information may have been supplied by 3rd Party Content Suppliers: We are not responsible for Data or Image errors.  3) We do not offer Installation, Training or Technical Support on this product.***

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