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报警器 BPC4020

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报警器 BPC4020

广泛应用于车辆、机械自动化等
所属分类： 蜂鸣器
所属分类： 压电有源蜂鸣器
广泛应用于车辆、机械自动化等
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产品描述

报警器是一种为防止或预防某事件发生所造成的后果，以声音、光、气压等形式来提醒或警示我们应当采取某种行动的电子产品。报警器(alarm) ，分为机械式报警器和电子报警器。随着科技的进步，机械式报警器越来越多地被先进的电子报警器代替，经常应用于系统故障、安全防范、交通运输、医疗救护、应急救灾、感应检测等领域，与社会生产密不可分。如：门磁感应器和煤气感应报警器。

1、        Technical Parameter

 

Measuring condition

Part shall be measured under a condition (Temperature: 5～35℃, Humidity: 45%～85%R.H., Atmospheric pressure: 860 ～1060hPa) unless the standard condition (Temperature: 25±3℃, Humidity: 60±10%R.H. Atmospheric pressure: 860 ～1060hPa) is regulated to measure.

1

Rated Voltage

12VDC

2

Operating Voltage

3-30 VDC

3

Rated Current

Max.30mA, at 12VDC

4

Sound Output

Min100dB / at 10 cm, at 12VDC

5

Resonant Frequency

2800±500 Hz

6

Tone

Continuous

7

Operating Temperature

-20 - +70℃

8

Storage Temperature

-30 - +80℃

9

RoHS

Yes

10

Weight

Approx 10g

2、        Dimensions

Unit: mm           Tolerance: ±0.5mm Except Specified

 

*Housing Material: Black  ABS

 

 

3、Reliability Test

After any following tests the part shall meet specifications without any degradation in

appearance and performance except SPL. SPL shall not deviate more than -10 dB

from the initial value

3.1  Ordinary Temperature Life Test

The part shall be subjected to 96 hours at 25±10℃. Input rated voltage

Resonant frequency, 1/2 duty Square wave.

3.2  High Temperature Test

The part shall be capable of with standing a storage temperature of +80℃ for 96 hours.

3.3  Low Temperature Test

The part shall be capable of with standing a storage temperature of ­-30℃ for 96 hours.

3.4  Humidity Test

Temperature:+40℃±3℃   Relative Humidity:90%～95% Duration: 48 hours

and expose to room temperature for 6 hours

3.5  Temperature Shock Test

Temperature:70℃ /1hour→ 25℃/3hours→-30℃/1hour→ 25℃/3hours (1cycle)

Total cycle: 10 cycles

3.6  Drop Test

Standard Packaging From 120mm(Drop on hard wood or board of 5cm thick,

three sides, six plain.)

3.7  Vibration Test

Vibration:1000cycles /min. Amplitude:1.5mm, Duration: 1 hour in each 3 axes

Note:

As this product is not protected from foreign material entering, please make sure that any foreign materials (e.g. magnetic powder, washing solvent, flux, corrosive gas) do not enter this product in your production processes. The functional degradation (e.g. SPL down) may occur if foreign material enter it.

4、        Electrical And Acoustical Measuring Condition

  a)Recommended Setting                                          b)

 

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