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) |
| 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℃ |
| Storage Temperature | -40℃～+75℃ | |
| Physical Characteristics | Dimensions (H × W × D) | 88mm × 430mm × 450mm |
| Electrical Characteristics | Power Supply | AC220V±22V, 50Hz±1Hz |
| Power Consumption | ≤30W | |
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