Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
Scope of Application
手机扬声器、受话器、MP3、平板电脑、手提电脑扬声器、小功率电视扬声器等。
Performance Characteristics
- 信号源：内置正弦波发生器和扫频控制器，可存入各种格式的音频文件
- Two groups of voltage can be arbitrarily set 20-way simultaneous monitoring, automatic recording and display of voltage/current/DCR/temperature rise/test time and status
- 测试电压自动校正，精度可达≤1%，显示0.001V
- 面板8寸液晶，显示内容更丰富，字体更大，方便观察
- 接口：前面板信号数据输入接口（USB），后面板USB、LAN网络口
- 温升测量范围：0~200℃，测量精度≤5%±1℃
- 支持多种工作模式：连续、间隙、调试。其中小间歇支持0.5s，并仍能精准测量电压
Technical indicators
| model number | ZC5820 | |
| Maximum number of accessible channels | 20 路，分两组，通道 1~10 为一组，通道 11~20 为另一组，各组试验参数（包括信号类型）可独立设置。每通道电压可自动校正。 | |
| Aging test time | 0000：00：00~9999：59：59，大为9999h，可任意设定 | |
| Monitoring method | 20 路同时监控，自动记录并显示 | |
| state judgment | 开路，短路或阻抗过低，过压，过流 | |
| warning of malfunction | Faulty channel locations are shown on the screen | |
| user interface | Industrial computer control, keyboard and mouse input | |
| Sine wave signal generator | Built-in sine wave generator | |
| Test Frequency Range | 20Hz ～ 20kHz | |
| frequency accuracy | ±0.05% | |
| frequency stability | Better than 60ppm | |
| Total Harmonic Distortion (THD) | ≤0.5% @ 1w, 1k正弦 | |
| 可选择扫频功能 | 线性﹑对数 | |
| 音频信号源播放格式 | MP3, WMA, WAV, etc. (also available in flac, etc. via player) | |
| power amplifier | ||
| High output power per circuit | 12W | |
| Large total output power | 300 W | |
| frequency response | 20Hz~20,000Hz (±0.25dB) | |
| Load Impedance | 4Ω~120Ω | |
| Large test current | ≤1.500A | |
| Output voltage adjustable range | 0.2V~12V（调节精度为0.001V） | |
| Instrument Interfaces | USB and Network Interface | |
| new feature | ||
| Automatic voltage correction | Accuracy≤2% | |
| True RMS Measured Voltage | Accuracy≤2% | |
| Temperature Rise Measurement | Range 0~200°C, accuracy ≤5%±1°C | |
| Voice Coil DCR Resistance Measurement | 精度≤0.5%（1Ω~40Ω） | |
| F0测试范围 | ------ | |
| High quality audio output | Sound Card Playback Audio | |
| Real-time parameter storage | Real-time voltage, current, resistance, temperature (txt format fast 1s to save a whole group of data, excel format fast 6s to save a whole group of data) | |
| 预留功能 | ||
| filters | 20Hz~20kHz adjustable bandpass filtering | |
| Exterior Dimensions | 450mm*190mm*570mm | |
| net weight | 20kg | |
