Specifications:
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Brand: HABOTEST
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Power: 3x1.5V AAA batteries(Not Included)
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Safety Rating: EN61326-1
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Packing List:1 * Sound Level Meter, 1 * Bag, 1 * User Manual(English), 1 x USB Cable, 1 x Disc
Model:HT622A
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Sound Pressure Accuracy: ±1.5dB (94dB＠1KHz)、±5dB (94dB＠8KHz)
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Frequency Response: 30Hz — 8KHz
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Dynamic Range: 50 dB
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Measuring Range: 30—130dBA
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Weighting Properties: A weighting
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Dynamic Characteristics: FAST 125ms, SLOW 1sec
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Microphone: Polarized capacitance microphone
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Range: 30—80dB、40—90dB、50—100dB、60—110dB、70—120dB、80—130dB
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Bargraph: YES
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Auto/Manual Range: YES
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Under/Over Range: UNDER/OVER
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Backlight: YES
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Data Hold: YES
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Max/Min Hold: YES
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Auto Power Off: YES
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Low Battery Indication: YES
Model:HT622B
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Sound Pressure Accuracy: ±1.5dB (94dB＠1KHz)、±5dB (94dB＠8KHz)
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Frequency Response: 30Hz — 8KHz
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Dynamic Range: 50 dB
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Measuring Range: 30—130dBA, 35—130dBC
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Weighting Properties: A / C weighting
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Dynamic Characteristics: FAST 125ms, SLOW 1sec
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Microphone: Polarized capacitance microphone
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Range: 30—80dB、40—90dB、50—100dB、60—110dB、70—120dB、80—130dB
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Bargraph: YES
-
Auto/Manual Range: YES
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Under/Over Range: UNDER/OVER
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USB: YES
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Backlight: YES
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Data Hold: YES
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Max/Min Hold: YES
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Auto Power Off: YES
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Low Battery Indication: YES
Note:
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*Bat-teries are not included.
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*Wind blowing across the microphone increases the noise measurement. Use the supplied windscreen to cover the microphone when applicable.
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*Calibrate the instrument before each use if possible. Especially if the meter has not been used for a long period of time.
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*Do not store or operate the instrument in areas of high temperature or humidity.
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*Keep meter and microphone dry.
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*Avoid severe vibration.
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*Remove the bat-tery when the meter is to be stored for long periods of time.
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*A Frequency Weighting: The frequency response of the meter is similar to the response of the human ear. A weighting is commonly used for environmental or hearing conservation programs such as OSHA regulatory testing and noise ordinance law enforcement. Most noise measurements are performed using A weighting and FAST Response.
