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ZC5890 type 10~40 channel high-power multi-channel loudspeaker life test equipment

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ZC5890 type 10~40 channel high-power multi-channel loudspeaker life test equipment

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0519-8852 0968 czshxu@163.com

Brief introduction

The ZC5890 series speaker power life test system is a professional equipment for speaker (or earphone) reliability test. The system has built-in stable multiple noise signal sources and digital filtering, and automatically calibrates and measures the output signal; the test is recorded regularly through a computer The current, voltage, impedance and power data can be used to analyze the performance of the speaker.

Technical index

Model	ZC5890
System Configuration	External computer, independent display 1 signal source controller, 1 to 4 test controllers, power amplifiers are selected according to the number of channels and power
Maximum number of connectable channels	40 channels, 10 channels in each group, each group of test parameters（including signal type） can be set independently. The voltage of each channel can be automatically corrected. At least one test controller （ZC5890T）is 10 channels, and a maximum of four test controllers （ZC5890T） is 40 channels.
Test signal type	Built-in sine wave fixed frequency/sweep frequency signal generator, programmable digital filter, can be stored in various formats of audio files. Adapt to the requirements of loudspeaker life test under different reference standards
Aging test time	0000：00：00 ～ 9999：59：59h，Can be set arbitrarily
Channel management	Each channel can start, stop or continue related tests at any time
Real-time monitoring function	Simultaneous monitoring of 10～40 channels, automatic recording and display of voltage, current and test time
Fault warning	The status bar on the screen displays the cause of the failure, OPEN, PAUSE, LOSS
HMI	External computer, independent display
Signal access interface	Various test signals customized by users can be connected
Instrument interface	USB、LAN
Automatic voltage correction	Precision ≤ 5%
True RMS measurement voltage	Precision ≤ 5%
Temperature rise measurement	Range: 0 ～ 200℃; accuracy: ≤ 5% ± 1℃
Visual graphical interface	Display real-time voltage and current in curve mode
Frequency response	20Hz~20,000Hz（±0.25dB）
Frequency accuracy	± 0.5%
Maximum test current	10A
Maximum output voltage	30.00V
Protective function	Delay output protection, power-off load protection, DC output protection, overcurrent protection, overvoltage protection, voice coil temperature rise protection
Built-in sine wave
Test frequency range	20Hz ～ 20kHz
Test accuracy	±0.05%
Frequency stability	Better than 60ppm
Dot/Sweep	Can be set, sweep frequency can be linear or logarithmic, single and two-way can be selected
Sweep period	1 to 999 seconds
Play format	MP3, WMA, WAV, etc. （flac and other formats can also be played through the player）
High-quality audio output	Sound card playback source
Filter	20Hz ~ 20kHz adjustable band-pass filter, second-order and fourth-order switching
Optional pink noise, white noise signal, EIA426B, CNS4785, DIN45573, IEC268, etc.
Optional ZC6012 power amplifier or customer specified power amplifier