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    Sound Level Calibrators

    Sound level calibrators are hand-held devices that emit audible tones of very accurate levels of frequency. The calibrator is fitted over a sound level meter's microphone and the reading is either checked manually by the user or automatically by the meter depending on the type used.

    How does a sound level calibrator work?

    The sound level calibrator will provide a fixed level and frequency that the instrument can be referenced against. In order to work effectively, the calibrator will be attached to a sound level meter (a meter used for acoustic measurements). The reference level provided by the calibrator is used by the sound level meter to verify that it is measuring within a set tolerance. If the instrument sees that the frequency level is outside of the desired tolerance it will indicate an error.

    The importance of calibration

    Calibration of a sound level meter is important because it allows the user to see that the sound level meter is giving you the correct level against the reference provided by the calibrator. Secondly, most regulations require that a sound level meter is calibrated before it is used.

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    17 Products
    單價(不含稅)
    Brand
    Measurement Parameters
    Model Number p
    Maximum Air Velocity
    Best Air Velocity Accuracy
    Air Velocity Resolution
    Probe Type
    Maximum Temperature
    Temperature Measurement Resolution
    Best Temperature Measurement Accuracy
    Power Source
    Battery Type
    Battery Life
    Dimensions
    Weight
    For Use With
    Height
    產品詳述
    單價(不含稅)
    Brand
    Measurement Parameters
    Model Number p
    Maximum Air Velocity
    Best Air Velocity Accuracy
    Air Velocity Resolution
    Probe Type
    Maximum Temperature
    Temperature Measurement Resolution
    Best Temperature Measurement Accuracy
    Power Source
    Battery Type
    Battery Life
    Dimensions
    Weight
    For Use With
    Height
    Extech
    Air Velocity, Temperature
    SDL300
    35m/s
    ±2 %
    0.1m/s
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity, Temperature
    407123
    20m/s
    ±3 %
    0.1m/s
    Telescopic Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Velocity
    AN300
    0.2 → 30m/s
    ±1.5 %
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity, Temperature
    407113
    35m/s
    ±2 %
    0.01m/s
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Velocity, Temperature
    AN100-NIST
    30m/s
    ±3 %
    0.01m/s
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity, Temperature
    SDL310
    25m/s
    ±2 %
    0.01m/s
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity, Temperature
    407123-NIST
    20m/s
    ±3 %
    0.1m/s
    Telescopic Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity, Temperature
    SDL350-NIST
    25m/s
    ±5 %
    0.01m/s
    Telescopic Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Velocity, Temperature
    AN200-NIST
    30m/s
    ±3 %
    0.01m/s
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity
    AN310-NIST
    30m/s
    ±1.5 %
    -
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity
    SDL350
    25m/s
    ±5 %
    0.01m/s
    Rotary Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Velocity, Temperature
    AN100
    0.40 → 30.00m/s
    ±3 % m/s
    0.01m/s
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity
    AN310
    30m/s
    ±1.5 %
    -
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Velocity, Temperature
    407119
    17m/s
    ±5 %
    0.1m/s
    Telescopic Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity
    45168CP
    20m/s
    ±3 %
    0.1m/s
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity
    AN340
    20m/s
    ±3 %
    -
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Extech
    Air Flow, Air Velocity, Temperature
    AN300-NIST
    30m/s
    ±1.5 %
    -
    Vane
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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