Digital Frequency Counter is a precision instrument capable of measuring a wide band of frequency.

The instrument uses solid state, low drift circuitry to ensure a stable reading and a high accuracy. The instrument has six digits or eight digits display. The entire frequency range is covered in three ranges. Frequency Counter can measure frequency as low as 1Hz, while the highest measurable frequency is 50MHz or 100MHz.

The circuit uses a precision crystal controlled circuit to generate the time- base which ensures a high accuracy in measurement of frequency.

The frequency measurement is possible using three time bases 0.01 sec; 0.1 sec or 1.0 sec. Frequency is indicated in KHz or MHz by LEDs.

TECHNICAL SPECIFICATIONS

Indication	Six digit or eight LED display 0.5" high The above voltage can be continuously varied from zero to full value and is continuously monitored by Digital Panel meter.
Input frequency Range	Reads up to 50MHz or 100MHz with and as low as 1 Hz
Input impedance	1.0 Mega ohms (input A) 50 Ohms (input B)
Accuracy	0.005% + - 2 digits
Input Sensitivity	50mV up to 15MHz 125mV for frequency between 15MHz and 50MHz or 100MHz
Maximum Input Signal	10 volts peak to peak
Gate Period	1 sec, 0.1 sec and 0.01 sec
Power Required	220 V / 50 Hz + - 10 %