Beidou Common View Meter

Product Overview

The MS4140 Beidou Common View Meter is a standard time traceability device. It consists of a high-precision antenna, a time comparison device host, and monitoring and data processing software. It can be traced back to national standard time, enabling remote time transmission and regeneration.

Features:

19-inch standard rack-mount design

Common view timing function

Built-in rubidium clock, ensuring high-precision timekeeping in the event of external time loss

Common view relay function, enabling high-precision time transmission over longer distances

Outputs data in the international standard CGGTTS format, traceable to national time and frequency centers

Suitable for master, slave, and relay scenarios

Supports 1PPS and 10MHz external reference inputs, with 10MHz frequency signal and common view second output capabilities

Product performance indicators reach leading domestic standards and have been certified by authoritative domestic metrology institutions

Technical Indicators

Project		Technical Specifications
System Specifications	Common View Accuracy	≤5ns (1σ)
System Specifications	Timing Accuracy	≤1μs/24h, 5μs/72h, 5ms/6m, 10ms/12m
10MHz Output	Frequency Stability	≤1E-11/s, ≤4E-12/10s, ≤1E-12/100s
	Frequency Accuracy	≤1E-12 (24h average), ≤5E-12 (24h hold)
	Phase Noise	≤-100dBc/Hz@1Hz; ≤-125dBc/Hz@10Hz; ≤-140dBc/Hz@100Hz; ≤-150dBc/Hz@1kHz; ≤-155dBc/Hz@10kHz; ≤-155dBc/Hz@100kHz.
Network Timing Accuracy		NTP ≤ 1ms PTP ≤ 100ns
Common View Data Format		Supports CGGTTS and RINEX output formats
Environmental Adaptability	Operating Temperature	-20℃～+60℃
Environmental Adaptability	Storage Temperature	-40℃～+75℃
Physical Characteristics	Dimensions (H × W × D)	88mm × 430mm × 450mm
Electrical Characteristics	Power Supply	AC220V±22V, 50Hz±1Hz
Electrical Characteristics	Power Consumption	≤30W

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