Elix 8100A Multifunction Counter 10Hz - 1GHz

Bench top instrument in good condition.

The user manual is with schematics & calibration routine for the Multifunction Counter Elenco F-1000.
There are several other brand that use the same model : Elix 8100A, Tenma 72-640, Protek B-818 and several others that have the model as 8100A.

The Elenco model F-1000 is a 10Hz to 1000MHz multiple-function counter that features a temperature control crystal oven for high accurate readings. Other features are eight high brightness seven segment LED display, low power consumption circuit design and full input signal conditioning. The F-1000 is also small in size and light weight for easy portability. The model F-1000 has four functions in one. It is a 1000MHz frequency counter with accuracy of ,3Hz/million per month. This accuracy is achieved because of the temperature control crystal oven. It also has a self-test function which allows checking the output for proper operation. The third function is a period measurement which allows you to measure time interval between pulses. The fourth function is a totalizer counter which allows you to count pulses. All these functions are accomplished by a single LSI integrated circuit. The input signal is AC or DC coupled and can be conditioned by attenuation of the signal.

Input A 10Hz - 100MHz

Input B 100MHz - 1GHz