Type2100HM头罩式耳机带麦克风测试仪软件名称:2100HM2100HMZ:使用于有串接电容器的受话器(或喇叭)仪器组合:210+142ES4(二支)+142FS+140M测试对象:含麦克风(Microphone)在内之头机(Headset)测试说明:(a)具分析功能。(b)具联网功能(LAN),测试数据可上传至***控制监视器(CentralMonitor)(c)PASS/FAIL数字讯号输出,可配接客户自制之自动化设备.(d)可测项目:(I)耳机(Headphone)特性FrequencyResp***e&Sensitivity20Hz~20KHzbyusingModel-142ES4SensitivityACImpedanceTest(交流阻抗测试，2~1000Ohms)DCRTest(直流电阻测试，2~1000Ohms)PolarityTest(极性测试)FoTest(谐振频率测试)PAPTest(PeakAcousticPressureTest，峰值声压测试)TotalHarmonicdistortiontestt(失真测试,0.1%~20%)或异常音测试(Buz.&Rat.Test)Balancetest(左右耳机平衡测试)CrossTalktest(左右耳机串音测试)(II)麦克风(Microphone,咪头)特性FrequencyResp***e(100Hz~8KHz)SensitivityECM直流电流测试(DCcurrent)1KHzTotalHarmonicDistortionTest(失真测试,0.1%~20%)ECM之供应电压︰+0.9V~+9V可调ECM之负载电阻︰180Ohms~9KOhms可调麦克风极性测试(III)麦克风地线与耳机地线间之短路测试Model-210Model-142ES4*2+140M+142FS)