ZHAOYAO 1Hz-50MHz Frequency Meter, Crystal Vibration Measurement DIY Kit

Frequency meter production kit DIY crystal measurement frequency measurement with shell parts
Circuit characteristics:
• measurable frequency range 1 Hz - 50 MHz (1 Hz - 50 MHz);
• measurable signal frequency up to 30V
• It can measure the oscillation frequency of most common crystal oscillators;
• Five-digit resolution;
• Automatic range conversion without manual switching;
• Programmable addition and subtraction frequency settings for measuring devices such as transceivers;
• The power save mode can be selected, if the frequency does not change significantly within 15 seconds, the display is automatically turned off;
• Wide power supply range, can be powered by universal USB interface, or use external power supply 5-12V or 9V battery;
• All in-line components, few components, simple installation and commissioning.
Frequency meter display