DF3381A digital frequency meterDetailed product description：

Detailed information on DF3381A digital frequency meter:

Using a microcontroller for measurement, data processing, and control.
It has functions of frequency measurement, cycle measurement, and counting.
8-bit precision display.
The frequency stability is higher than that of a typical digital frequency meter.
Equipped with an input attenuator.
Equipped with a low-pass filter.
There is a 10MHz time base output.
The decimal point is automatically located and the unit indicator light is automatically displayed.
There is an overflow indication beyond the measurement range.
Multi level pre selection and maintenance during gate operation.

Technical parameters of DF3381A digital frequency meter:

A-channel frequency measurement range: 1Hz~100MHz
B-channel frequency measurement range: 100MHz to 1.2GHz
A-channel cycle measurement range: 1Hz-10MHz
A-channel counting range: 108-1 (1Hz~10MHz)
Frequency stability: 5 × 10-6/day
Maximum measurement sensitivity: better than 20mVrms
Input impedance of channel A: 1M Ω/35pF
B-channel input impedance: 50 Ω
Maximum safe input voltage: 250 (DC+ACpp)