Overview

The company possesses a first-rate research and development team alongside comprehensive time-frequency measurement facilities, enabling it to provide clients with a full range of time-frequency measurement testing equipment. To date, it has developed time-frequency measurement devices for applications including section control speed monitoring, car parks, stations, and hospitals. These efforts have contributed to the establishment of Hunan Province's National Time-Frequency Traceability Station and supplied testing equipment to metrology institutes across multiple provinces.

1. Interval Speed Measurement Timing Clock

Beidou/GPS signal reception; high-stability crystal oscillator timing; crystal frequency accuracy ≤±2PPM;

Synchronisation performance: under normal satellite reception, 1PPS deviation from UTC < 1μs;

Displays hours, minutes, seconds with 10-millisecond resolution; requires static display without flickering under camera capture;

Equipped with metrological calibration test interface;

Supports 220V 50Hz and 12V DC input;

Operating voltage: 110-240V, 50Hz;

Power consumption: <15W;

Construction: Aluminium alloy frame structure, mountable to bonnet via suction cups;

Operating temperature: -25°C to +65°C;

2. Mobile Time Calibration Reference TQ5801

The TQ5801 obtains standard time from national or provincial metrology centres. Equipped with an internal battery, it maintains time independently and ensures time accuracy within specified intervals. Featuring multiple time output interfaces, it provides time synchronisation services to external devices. Designed for portability with shock resistance, it facilitates easy transport. The TQ5801 provides a portable time-frequency reference for convenient time calibration and testing across diverse applications.

Core Functions:

1. Synchronisable with provincial time-frequency centres for rapid acquisition;

2. High-sensitivity reception of BeiDou and GPS signals;

3. Integrated high-precision atomic clock ensuring specified time accuracy over extended periods;

4. High-density lithium-ion battery enabling autonomous operation;

5. Multiple time synchronisation interfaces for external timing service provision.

Key Technical Specifications:

1. Taming period <0.5h, accuracy 5E-10;

2. Satellite reception sensitivity < -148 dBC, 1PPS timing accuracy < 15 ns;

3. Atomic clock drift < 4E-12/day, 2E-10/year;

4. Capable of sustaining 12 hours of independent operation;

5. Equipment provides NTP, TOD information, and 1PPS output.