詳細(xì)信息
(1) Vibration Test振動(dòng)試驗(yàn)
To be no interference in operation after vibrations, 10Hz to 50Hz for 2 ho-urs full amplitude 1.52mm ,the sensitivity to be within ±3dB from initial sens-itivity，the measurement should be done after 3 hours at the room temperature.
將沒(méi)有操作干擾過(guò)的咪頭，在10HZ到50HZ、1.52 mm全振幅下振動(dòng) 30分鐘后，試驗(yàn)后在常溫下放置3小時(shí)后測(cè)試，靈敏度變化在±3dB內(nèi)。
(2) Drop Test跌落試驗(yàn)
The microphone without packaged must be subjected to each 3 drops at three axises from
theheight of 120cm to 2cm thick hardwood board, the sensitivity to be within ±3dB from initial
sensitivity，the measurement should be done after 3 hours at the room temperature.
不帶包裝的咪頭經(jīng)過(guò)從3個(gè)不同的軸面從120厘米的高度下落到2厘米厚的硬質(zhì)木板上，試驗(yàn)后在常溫下放置3小時(shí)后測(cè)試，靈敏度變化在±3dB內(nèi)。
(3) High Temperature Test高溫試驗(yàn)
To be no interference in operation after high temperature test 70±3℃ for 48 hours. The
sensitivity to be within ±3dB from initial sensitivity, the mea-surement should be done after 3 hours at the room temperature.
將沒(méi)有操作干擾過(guò)的咪頭在70±3℃高溫下試驗(yàn)48小時(shí)，試驗(yàn)后在常溫下放置3小時(shí)后測(cè)試，靈敏度變化在±3dB內(nèi)。
(4) Isotherm & ISO-humidity Test恒溫恒濕試驗(yàn)
To be no interference in operation after storage test at temperature 55±3℃ and relative
humidity (95±3%) for 48 hours, the sensitivity to be within ±3dB from initial sensitivity, the
measurement should be done after 3 hours at the room temperature.
將沒(méi)有操作干擾過(guò)的咪頭在溫度55±3℃、相對(duì)濕度95±3%的環(huán)境下試驗(yàn)48小時(shí)，試驗(yàn)后在常溫下放置3小時(shí)后測(cè)試，靈敏度變化在±3dB內(nèi) 。
(5) Low Temperature Test 低溫試驗(yàn)
To be no interference in operation after Low temperature test -25±3℃ for 48 hours, the sensitivity to be within ±3dB from initial sensitivity，the meas-urement should be done after 3 hours at the room temperature.
將沒(méi)有操作干擾過(guò)的咪頭在-25±3℃的低溫環(huán)境下放置48小時(shí)，試驗(yàn)后在常溫下放置3小時(shí)后測(cè)試，靈敏度變化在±3dB內(nèi) 。
(6) Temperature Cycle Test溫度循環(huán)試驗(yàn)
To be no interference in operation after exposure at +65±2℃ for 0.5 hour,
at 20±2℃ for 1 hour, at 25±2℃ for 0.5 hour, at 20±2℃ for 10 minutes, with 5 cycles.
The sensitivity to be within ±3dB from initial sensitivity
將沒(méi)有操作干擾過(guò)的咪頭在+65±2℃下0.5小時(shí)，后在20±2℃下10分鐘，后在-25±2℃下0.5小時(shí)，后在20±2℃下10分鐘，連續(xù)循環(huán)5次，試驗(yàn)后在常溫下放置3小時(shí)后測(cè)試，靈敏度變化在±3dB內(nèi) 。