种类: | 低压电器 |
品牌: | NF |
型号: | M2174 |
产品认证: | .. |
新旧程度: | 9成新 |
设备所在地: | 深圳 |
设备生产产地: | 日本 |
产品数量: | 1 |
日本NF交流毫伏表(精密噪音计)
Model:M2174
高灵敏度 M 2174:10µV满刻度M2177:30µV满刻度 |
听觉矫正滤波器,4种滤波器标准内置,通过追加最多可内置6种
检波方式真实有效值检波、平均值检波、准尖头值检波可以切换
背面装有交流输出/直流输出端子
装有灵敏度调整器
备有分贝(dB)线性刻度测试仪(选购件)
Voltage measurement range |
M2174 : 10µV to 100Vrms/F.S. M2177 : 30µV to 100Vrms/F.S. |
Frequency range |
5Hz to 500kHz |
Input impedance |
approx. 1M ohm 20pF max. |
Max. inuput voltage |
30mV to 100V range : AC ± DC peak value ± 250V 10µV to 10mV range : AC ± 5Vpeak, AC ± DC peak value ± 250V |
Indication accuracy (average reponse, reference to F.S.) |
10µV range : 10Hz to 30kHz ± 10% (M 2174 only) 30µV range : 10Hz to 30kHz ± 5% 100µV range : 10Hz to 100kHz ± 5% 300µV to 100V range : 5Hz to 500kHz ± 10% |
AC output |
1V (F.S., no load), output impedance : approx. 50Ω typ. |
DC output |
1V (F.S., no load), output impedance : approx. 50Ω typ. |
Meter |
Taut-band with mirror type |
Weighting network |
Built-in 4 types filter * : JIS-A (JIS C 1502A), JIS-C (JIS C 1502C),DIN-45405 (AUDIO), CCIR-ARM Possible to add another 2 filters as option |
Power requirements |
AC100V, 120V, 230V, switchable |
Dimensions (mm) |
140(W) X 177(H) X 300(D) |
Weight |
approx. 3.5kg |
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