AWA6128ST聽診器測試儀愛華AWA8780型鋁合(hé)金攜帶箱(大)銷售

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1.概述(shù)
AWA6128E型耳機測試儀執行《GB/T 9396-1996 耳(ěr)機主要性能測 試方法》和《IEC 60268-5 耳機》標準。該儀器即(jí)可以測量普通的耳機,也可以測量耳機或者受話器。儀器由專用測量分析電路,PC機和專用的分析軟(ruǎn)件組(zǔ)成,功能強大,操作便捷。充分降(jiàng)低初期成本的投入和維護費用,具有高效、強大的分析和處理能力。能(néng)快速地完成電(diàn)聲產品耳機的測試,是基於生產線和(hé)質量控(kòng)製(QC)、操作簡(jiǎn)易的 要(yào)求而開發的測試係統。它將功率放大模塊,聲音測量模塊集成(chéng)在一(yī)台主機(jī)裏,免去了用戶連線的煩惱。
儀器可以同時測量耳機頻響(xiǎng)、阻抗、諧波失真和極性等參數(shù)。根據設定的門限判斷耳(ěr)機合(hé)格品(pǐn)或不合格品。測試結束後,簡潔直觀(guān)的顯示出PASS/FAIL,極大的(de)提高了測試效率。
2.基本工作性能指標
(1)測(cè)試傳(chuán)聲器:預極化1/2 英寸自(zì)由場型測試傳聲器(基本(běn)配置
為AWA14421 型測試傳聲(shēng)器)
(2)信號源輸(shū)出電壓:50 mV~10000 mV(RMS)
(3)掃頻頻率範圍:20 Hz~20 kHz
(4)倍頻程方式(shì):1/12 OCT、1/24 OCT
(5)掃頻時間:0.5 秒~5.0 秒(可選)
(6)阻抗測量範圍:0 Ω~300 Ω
(7)測量量程:-20 dB,0 dB,+20 dB
(8)測量動(dòng)態範圍:40 dB~135 dB
(9)總(zǒng)諧(xié)波失真(zhēn)測量誤差:優於10%
(10)本機噪聲:<35 dB(Z 計權)
(11)掃頻觸發方式:鍵盤(pán)或(huò)腳踏開關
(12)工作電源(yuán):220 V/50 Hz 交流市電(diàn)
(13)工(gōng)作條件:環境溫度:0 ℃~40 ℃
相對濕度:20 %~90 %
大氣壓:86 kPa~106 kPa
(14)尺寸:482mm×460mm×177mm(W×D×H)
(15)重量:5kg
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上一篇 AWA6128E耳機測試儀愛華AWA8781型鋁合金攜帶箱(小)報價單 http://www.fyjsjxx.com/product/d28496.html
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