Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
brief introduction
ZC5990D loudspeaker high-speed F0 tester is a single-chip computer control, based on the traditional frequency method of testing principles, set of analog and digital circuits in the body of the fully intelligent test instrument. It has the ability to quickly test and display the resonant frequency F0 of various loudspeakers, and real-time display the test voltage value. It can set the upper and lower limit ranges according to the specifications of the loudspeaker, and judge whether the loudspeaker is qualified or not by the test of pass/fail judgment circuit, so it is especially suitable for testing in the production line.
Technical indicators
| model number | ZC5990D | |
| frequency range | 20Hz ~9000Hz, LCD display | |
| F0 value judgment indication | When the measured value is higher than the upper limit (or lower than the lower limit), the LCD will display FAIL, indicating the unqualified status.
If the measured value is within the setting range, the LCD display will show PASS, indicating the qualified status. |
|
| FO Calibration | Fine-tuning calibration when there is an error with the nominal value (±6Hz, 0.1Hz adjustable) | |
| Impedance Range | 1Ω-100Ω | |
| Impedance Determination Test | When the measured value is higher than the upper limit (or lower than the lower limit), the LCD will display FAIL, indicating the unqualified status.
If the measured value is within the setting range, the LCD display will show PASS, indicating the qualified status. |
|
| operating mode | Sweep + FO fixed frequency; Sweep + settable frequency (0.1Hz settable) | |
| Sweep resolution | 0.1Hz within 1000 measurement points; other sweep resolutions 1Hz | |
| sweep time | 1s-10s, (1s resolution) | |
| Holding time | 1s-10s, (resolution 0.1s) | |
| excitation voltage | 0.1V - 5V | |
| holding voltage | 0.1V - 5V | |
| display screen | Curve display + numerical value display | |
| trigger method | Push-button triggering, optional foot-operated triggering | |
| Instrument Dimensions / Outer Case Dimensions | 295mm*110mm*340mm / 410mm*390mm*205mm | |
| Net/Gross Weight | 2.45Kg / 4Kg | |
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