"Discover the KM-TFC-2700L High Precision Frequency Meter, designed for professionals and enthusiasts seeking accurate frequency measurements. This model features a novel, lightweight design that combines portability with robust functionality. It supports dual-channel measurements across a wide frequency range from 10Hz to 2.7GHz, with the highest input sensitivity of 20mVrms ensuring precise readings. The meter boasts an 8 high-brightness LED display for clear visibility, showcasing numerical data from 0 to 9 characters. It includes cycle cumulative measurement and a self-test function for enhanced reliability. Stability is guaranteed with ±3*10^-9s accuracy, making it suitable for critical applications. Enjoy versatile functionality with features for both frequency and period measurements, making it an indispensable tool for electronic testing and development. A channel Range: 10Hz-10MHz (Direct count); 10MHz-100MHz (proportion count) Direct count: 1Hz?10Hz?100Hz (your choice) proportion count: 10Hz 100Hz?1000Hz (your choice) Strobe time: 0.01s?0.1s?1s (your choice) Accuracy: ±count value± base time error x measured frequency B channel Range: 100MHz-1GHz Resolution:100Hz, 1KHz, 10KHz Strobe time:0.01s,0.1s1s Accuracy: ±count value± base time error xmeasured frequency 7.Humidity: Working Humidity: 10-90% RH; Storage Humidity: 5-95% RH 8. Dimension: 230*200*75 mm / Weight:2Kg"