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Sound Level Meter and 1/3 octave band real-time analyzer

Country/Region china
Categories Sound Level Meters
ICP License Issued by the Chinese Ministry
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    Sound Level Meter and 1/3 octave band real-time analyzer

    Real Time Octaves (16 Hz to 16 kHz) or 1/3 octaves (12.5 Hz to 20 kHz)
    Real Time Simultaneous Octaves (16Hz to 8kHz) and 1/3 Octaves (12.5Hz to 12.5kHz)
    Data stored as text files direct to CF card
    Measures and logs eq, max, min and 5 percentile values (LN) in octaves and/or 1/3 octaves
    Auto Stores 300 000 data sets or 1 000 hours of 1 second 1/3 octaves onto 1 GB CF card
    Auto Stores 1000 data sets or 10 000 of 1 second 1/3 octaves to internal memory
    Manual Storage for 1 000 data sets internally or 100 000 data sets to 1 GB CF card
    Linearity 110 dB in Sound Level Meter Mode and 95 dB in Analyzer Mode
    16 hours battery life with 4 Alkaline"C" Cells
    Main and Sub-Channel for simultaneous selection of 2 time or frequency weightings F(Fast), S(Slow), 10 ms Time Weightings plus Peak & Impulse on Sub-Channel
    Data transfer using CF card or USB (meter/CF card appearing as virtual disk)
    Measurement can be started by internal or external trigger
    Comparator output to trigger external devices
    AC and DC outputs of main and/or sub-channel
    Expandable functionality using programme cards
    < Specification >
    Applicable specificationsIEC 61672-1:2002 Class 1, IEC 61260:1995 Class 1, ANSI S1.4-1983 Type 1, ANSI S1.11-2004 Class 1
    Measurement functionsWith both a sound level meter mode and analyzer mode, it is capable of simultaneous main channel and sub-channel measurement in either mode. Time and frequency weighting are set separately for the main and sub-channels.
    Measurement modesSound level meter mode: Measurement of all-pass values indicated in the measurement items below in the main or sub-channel, Measurement of either Lpeak or Ltm5 in the sub-channel
    Analyzer modeReal-time octave and 1/3 octave band analysis and all-pass measurement in the main channel, Only all-pass measurement in the sub-channel
    Measurement itemsSimultaneous measurement of all items in the selected time weighting and frequency weighting characteristics
    Instantaneous sound pressure level Lp, Equivalent continuous sound pressure level Leq, Sound exposure level LE, Maximum sound pressure level Lmax, APMax and BandMax can be selected as maximum, Minimum sound pressure level Lmin, Maximum 5 time ratio sound level LN (1 to 99%, 1% Step), Calculation from Lp or Leq 1sec
    Measurement time1 to 59 sec, 1 to 59 min, 1 to 24 hours
    Microphone and preamplifierMicrophone UC-59, Preamplifier NH-23
    Measurement rangeA: 25-130dB, C: 33-130dB, Z: 38-130dB
    Frequency Range10 Hz-20 kHz
    Time weightingMain:Fast, Slow, 10ms
    Sub:Fast, Slow, 10ms, Impulse
    DisplayColor semi-transparent TFT-LCD display with backlight (240 X 320 dots)
    Power requirementFour IEC R14P (size"C") batteries or external power supply
    Operating time
    Manganese batte
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