Difference between revisions of "Frequency Counter 6 Digits"
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== Features == | == Features == | ||
Revision as of 16:58, 14 November 2020
Features
- Frequency reference with temperature compensation type voltage controlled crystal oscillator (2.5 ppm VC-TCXO).
- Adopts gate control mode and the accurate time algorithm is unique.
- Gate (refresh) time is 0.1 seconds, real-time display of frequency.
- The precision of frequency measurement 10Hz/100Hz (Rotated the right one) optional.
- Dual frequency design, intermediate frequency value and plus / minus mode can be preset, and do not influence each other.
- Display driver using the LED chip digital tube display, high brightness, less external interference.
- Adopts six 0.56 inch digital tube display, automatic blanking invalid zero, eight stage adjustable brightness.
- Simple circuit, reasonable structure, double button control, simple operation.
- All settings are automatically saved, boot directly call.
Specification
- Working voltage: DC 8V-15V (reverse polarity protection)
- Working current: 90mA(max)
- Input impedance: high resistance
- Measuring range: 0.1 MHz to 65 MHz
- Accuracy: 10 Hz
- Sensitivity: better than 60mVPP
- Display digits: Six common anode LED display , the highest display six digits
- Size: 9cm x 2.5cm x 2cm .
- RF IN ( input ): HX2.54-2P socket
- ICSP ( programming interface ): 2.54-6P Pin
- DC IN ( Power Interface ): HX2.54-2P socket
