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Extech 407790 Real Time Octave Band Analyzer Type 2 integrating sound level meter features 1/ 1 and 1/ 3 Octave Band real-time noise analyses. The 407790 offers five measurement parameters: SPL ( Sound Pressure Level) , Leq ( Equivalent Continuous Sound Pressure Level) , LE ( Sound Exposure Level) , Lmax ( Maximum Sound Pressure Level) , and Lmin ( Minimum Sound Pressure Level) . The built-in memory stores 12, 280 data records in sound level mode and 1024 records in Octave mode. The stored data can be easily transferred to a PC with the supplied software and RS-232 cable. This meter permits choice of ‘ A’ , ‘ C’ , or ‘ Flat’ weighting and ‘ Slow’ / ‘ Fast’ response times. AC and DC analog output signals are available for chart recorders and other external recording devices. Careful use of this device will provide years of reliable service
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, VAC adaptor and carrying case

Contact Us :
Mitra Guna Instrument
Lindeteves Trade Centre, Lt GF1 Blok A2 No.37
Jl. Hayam Wuruk 127 Glodok Jakarta
Telp : 021-37699537
Hp : 081380328072
Fax : 021-62320340