Product Specification
Ningbo East Electronics Limited
NO. 88 East Jinhui Road,Yinzhou Ningbo 315100,P.R.China
http://www.east-mingtao.com
Product Name:
Ultrasonic Annunciator
Part Number:
Version:
Date:
W - 08A
1.03
2019
2019-- 10
10-- 16
Note:
East is an ISO 9001 , IATF16949 and ISO 14001Certified Company
Revision History
Rev.
Description
Author/Date
汤礼东
2019-10-16
1.03
Quality management system revised
1.02
Packing: 1660pcs/CTN to 1568pcs 汤礼东
2017-12-18
/CTN
1.01
Quality Certificate Symbol revised
Ningbo East Electronics Limited
刘宁
2015-2-12
Checked By
Approver
吕文斌
王建成
俞凯
王建成
汤礼东
王建成
1/5
1. Part Number W-08A
2. Dimension Drawing (Unit: mm)
3.Specification
No.
3-1
Item
Specification
Min. Sound Pressure Level
95dB/20±2kHz/2.83Vrms sine wave /50cm
Min. Sound Pressure Level
90dB/40±3kHz/2.83Vrms sine wave /50cm
3-2
Rated Voltage
2.83Vrms
3-3
Max. Operating Voltage
10Vrms
3-4
Frequency Range
4~50kHz
3-5
Operating Temperature
-20~+70ºC
3-6
Case Material /Color
ABS/Black
3-7
Weight
4.1g
3-8
Pin Strength
More than 10N
NOTES:
Test should be made under the conditions of room temperature (20±10℃), normal humidity (60±20%) and normal
atmospheric pressure. In this case, however, that the judgment is questionable, the test conditions are to be changed to room
temperature 20±2℃, relative humidity 60~70% and normal atmospheric pressure
Ningbo East Electronics Limited
2/5
4.Typical Frequency Response Curve
Note: Input Voltage 2.83Vrms sine wave
Distance 50cm
5. Reliability Test
No.
Item
5-1
Operating
Temperature
-20~+70℃
5-2
Storage in high
temperature
Storage in +70℃ test box 96 hours then exposed to the room
temperature for 2 hours
5-3
Storage in low
temperature
Storage in -20℃ test box 96 hours then exposed to the room
temperature for 2 hours
5-4
Life test in the room Operate the product continuously 5 seconds on 5 seconds off
temperature
300 hours at rated voltage
5-5
Temperature /
humidity cycle test
Storage in +40℃, 93±3%RH test box 96 hours then exposed
to the room temperature for 2 hours
5-6
Temperature (high
and low) cycle test
Conduct the test for 5 cycles without applying power then
expose to the room temperature for 2 hours.(See Figure 5-6)
5-7
Vibration test
Ningbo East Electronics Limited
Method of Test
Tolerance after
Testing
Sound pressure level
initial value ±10dB
Conduct the test for the directions of X Y and Z for 0.5 hour
each (total 1.5 hours). To-and Fri sweep time(from 10 to 55Hz
and then 55 to 10) under single amplitude of 0.75mm is 3
3/5
minute, then expose to the room temperature for 2 hours
5-8
5-9
Soldering heat
resistance test
Test of soldering
Dip the connecting pins in soldering at 260±5℃ for
10±1seconds
Dip the connecting pins in soldering at 230±5℃ for 3±0.5
seconds
Solder shall be
attached around over
95% of the dipped
portion
Figure 5-6
Ningbo East Electronics Limited
4/5
6. Electrical Testing Method
S.P.L.M
Sound Pressure Level Meter
T.S
Testing Sample
P.P
Preamplifier Power
E.S.D.A.M.S
Electric Sound Device Analyzer
Meter Series
7. Packing Information
Packing: 1568 pcs per export carton
Carton Size: 47× 30.5× 33 cm
G. Weight: 7.7 kgs N. Weight: 6.4 kgs
Ningbo East Electronics Limited
5/5
很抱歉,暂时无法提供与“W-08A”相匹配的价格&库存,您可以联系我们找货
免费人工找货