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Features & Applications:
Extech Octave Band Sound Analyzer with NIST Certificate is a Type 2 integrating sound level meter with Octave and 1/3 Octave Band Real Time display.
Features:
NIST Certificate of Calibration
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
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
Spec Summary:
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:
7 0 d B
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:
13.6 x 3.9 x 2.4" (34.5 x 10 x 6 cm);
33.5oz (950g)
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Other versions of Extech Octave Band Sound Analyzer are also Available:
