ST2050 Series

Frequency Standard Comparator


* With dual-channel frequency difference measuring-technique

* Measuring Channel:up to 4

* The sampling time could be set as user demand:1s to 108s

* Graphic interface,auto and real time measurement of Allan Deviation

* Measure Cesium/Hydrogen/Rubidium Atomic Clock,such as daily fluctuation,booting characteristic,aging rate,accuracy,drift,frequency deviation and difference of daily accuracy

Product Model



Measuring Channel1234
Input Amplitude3dBm~13dBm,Input Impedance:50ohm
Max.Frequency Deviation1×10-8
Comparsion Uncertainty






Measuring Function

Allan standard deviation,Accuracy,

Booting characteristic,Aging rate,Repeatablity

Built-in Frequency Counter 13digits/s

USB:connect USB-type mouse,keyboard and USB disk      

LAN:remote control

General Characteristics
Power Consumption65VA Max.
Working   Temperature10~30℃

A Frequency Standard Comparator is an instrument used to compare the frequency stability and accuracy of a reference frequency standard with that of an unknown or test frequency standard. Its purpose is to assess the performance of the test frequency standard by comparing it to a more accurate and stable reference.

The frequency standard comparator typically consists of two frequency standards, one serving as the reference and the other as the test standard. The reference standard is a highly accurate and stable source of frequency, often based on atomic clocks or other precise timekeeping mechanisms. The test standard is the frequency source being evaluated or calibrated.

The comparator measures the frequency output of both the reference and test standards and compares them. It quantifies the differences in frequency and provides information about the stability, accuracy, and precision of the test standard relative to the reference. This assessment helps determine if the test standard meets the required specifications or if adjustments or calibrations are necessary.

Frequency standard comparators are essential tools in various fields, including metrology, telecommunications, scientific research, and electronic manufacturing. They play a crucial role in maintaining and verifying the accuracy and stability of frequency standards used in critical applications, such as timekeeping, synchronization, navigation systems, and communication networks.

Standard Accessories

Power Cord:1pcs

CD(User's Guide):1pcs

Network Cable:1pcs

BNC testing cable:5pcs

Connector TNC/BNC-JK:5pcs