Frequency Counter 0.1MHz-65MHz

Color : GREEN or BLUE - please, choose from Options

Working voltage: DC 8V-15V

Woring 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.

Dimensions: Length × width × height : 91 mm × 28 mm × 20 mm

Onboard Interface

RF IN ( input ): HX2.54-2P socket

ICSP ( programming interface ): 2.54-6P Pin

DC IN ( Power Interface ): HX2.54-2P socket

Features:

65MHz frequency to Microchip, PIC16F628A as the core.

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 of 0.1 seconds, real-time display of frequency.

The precision of frequency measurement by 10Hz/100Hz (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.