俄罗斯ZETLAB Company 用于分析振动声信号的FFT频谱分析仪ZET038
FFT频谱分析仪ZET038
- 宽动态范围
- 记录和处理来自大量通道的数据 PTP同步
- 与ICP（IEPE）、DeltaTron、ISOTRON传感器、电荷和电压输出传感器兼容
- 电气隔离发生器
- 通道参数的视觉诊断
- 信号录制的一键激活
| 技术规格 | |
|---|---|
| ANALOG INPUT (ADC) | |
| Number of analog voltage and ICP inputs | 8 |
| ADC digits number | 24 |
| Frequency ranges of the simultaneously analyzed signals | DC…20, DC…200, DC…2 000, DC…20 000 Hz |
| Maximal sampling rate | 400 kHz |
| Anti-aliasing signals filtration | up to 40 kHz |
| Low-pass filters: Butterworth filters 120 dB/oct for the following sampling frequencies | 1 kHz, 2 kHz, 10 kHz, 20 kHz |
| Filters with frequency adjustment (in compliance with IEC 61672-1:2002) | А, В, С, D for the 1-st class precision noise meters |
| Maximal input voltage (amplification ratio=1) | ±10 V |
| Programmable amplification ratios | 1, 10, 100 |
| Input impedance | 100 kOhm |
| ANALOG OUTPUT (DAC) | |
| Number of analog outputs | 2 (true and complementary |
| Frequency range of the generated sinusoidal signal | 0,03… 20 000 Hz |
| Input impedance | 50 Ohm |
| Maximal output current level | 20 mA |
| DAC digits number | 24 |
| Maximal output voltage value | ±10 V |
| DIGITAL INPUT/OUTPUT | |
| Digital input | 8 bit |
| Digital output | 8 bit |
| Digital input/ output logic type | TTL |
| 计量规格 | |
| ANALOG INPUT (ADC) | |
| Dynamic range in voltmeter mode | 110 dB |
| Dynamic range in Spectral Analysis mode | 122 dB |
| Dynamic range in selective voltmeter mode | 135 dB |
| Channels non-identity in the pass-band | 0,1 % |
| Inter-channel phase difference | 1° per 10 kHz |
| Noise spectral density in the band 30…20 000 Hz, no more with gain=100 with gain=10 with gain=1 | 15 nV/√Hz 40 nV/√Hz 350 nV/√Hz |
| ANALOG OUTPUT (DAC) | |
| Frequency setting admissible error limit for the range of 0…20 000 Hz | ±0,1 % |
| Frequency setting admissible error limit for the range of 0,03…10 Hz | ±10 % |
| DC and AC setting admissible error limit | ± (0,005U + 10) µV |
| Harmonic ratio of the generated sinusoidal signal | 0,1 % |
| OPERATIONAL SPECIFICATIONS | |
| Dimensions | 280 × 200 × 35 mm |
| Weight | 1 kg |
| Consumed power | max 8 W |
| Max voltage | 500 V |
| Types of supported transducers | ICP (IEPE), DeltaTron, ISOTRON |
| Possibility of synchronization with other FFT Spectrum analyzers | available |
| Non-volatile memory volume (flash-drive)* | up to 32 Gb |
| Sampling frequency of data recording to the flash-drive by a single channel* | 50 kHz |
| Time of data recording to the flash-drive by all the channels at the maximal sampling frequency* | 10,8 hrs |
| Baud rate via HighSpeed USB 2.0 | 480 Mbps |
| Baud rate via Ethernet | 100 Mbps |
- 实时信号分析，分析先前记录的信号；
- 基于并行数字滤波器的八度和1/3八度分析；
- 窄带频谱分析； 交流/直流电压测量；
- 电信号频率测量；
- 正弦信号和直流信号的生成；
- 信号录制（信号的数字化值保存在设备的存储器中）
- 多通道数据采集控制器 ZET 038；
- 电源模块；
- 以太网电缆；
- BNC-BNC电缆（0.6米）；
- 50欧姆插头；
- ZETLAB ANALIZ软件；
- 一套操作文档。
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