MS4140

Beidou Common View Meter

MS4140

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

Main Applications:

Technical Indicators

ProjectTechnical Specifications
System SpecificationsCommon View Accuracy≤5ns (1σ)
Timing Accuracy≤1μs/24h, 5μs/72h, 5ms/6m, 10ms/12m
10MHz OutputFrequency 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 AccuracyNTP ≤ 1ms PTP ≤ 100ns
Common View Data FormatSupports CGGTTS and RINEX output formats
Environmental AdaptabilityOperating Temperature-20℃~+60℃
Storage Temperature-40℃~+75℃
Physical CharacteristicsDimensions (H × W × D)88mm × 430mm × 450mm
Electrical CharacteristicsPower SupplyAC220V±22V, 50Hz±1Hz
Power Consumption≤30W

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