Low Frequency Counter
Specifications:

Features	Specifications	More Info
Large eight digit LCD display Low power consumption and push-to-measure Wide frequency range and high sensitivity Reciprocal counting for improved resolution and superior accuracy Selectable gate time (0.1sec, 1sec, 10sec) Frequency and period measurement Selectable low pass filter Push-to-measure function with auto power-down Requires one 9V battery (not included)	Frequency: Range: 5Hz-25MHz (channel A), 20MHz-1.3GHz (channel B) Resolution: 10^-7Hz-10Hz (channel A), 1Hz-1KHz (channel B) Sensitivity: 15mVrms from 10 Hz -20MHz; 10mVrms from 20MHz-700MHz; 50 mVrms to 1.3GHz Accuracy: ±(1 digit + timebase error) Period: Range: 5Hz-25MHz Resolution: 10^-7nSec-1µSec Accuracy: ±(1 digit + timebase error) Input: Impedance: 1MW/25pF (channel A), 50MW nominal (channel B)	BNC connector for line, probe or antenna (not included) Requires 9V battery (not included) Dimensions: 3.2" (W) x 7" (L) x 1.2" (D) Weight: 7 oz.