BeStar BPT4512H18.4-03 LF - Manual (Page 3)

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Checked by:
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REV.
5 6
Date Drawn
www.be-star.com [email protected]
Approved by:
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Note
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Piezo Element Sounder
2 1
Page:3 of 9
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BPT4512H18.4-03 LF
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H H
1.4 Frequency Response
E
F
G
Frequency(Hz)
E
F
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6 5 4 3 2 1
BPT4512H18.4-03 LF
DRG NO: BS/TEP01.694B
08/06/10
李红元
赵 峥
邱 俊
2.1 Storage Condition
Please store the products in room where the temperature/humidity is stable.
And avoid such places where there are large temperature changes.
Please store the products under the following conditions:
Temperature: -10 to + 40 degree C
Humidity: 15 to 85% R.H.
2.2 Expire Date on Storage
Expire date (Shelf life) of the products is a months after delivery under the conditions of a
sealed and an unopened package.
Please use the products within a months after delivery.
If you store the products for a long time, use carefully because the battery only have 3 months
expire time when you store the products for a long time, the battery may be invalidation.
2 Notice
70.0
80.0
90.0
100.0
110.0
120.0
SPL dB
1K 2K 1K 5K Hz