Time and frequency laboratory maintains and disseminate the Standard time of Sri Lanka (SLST) and deliver the services in time, Time interval and Frequency parameters to the calibration and testing laboratories and industry.

Main Functions

• Maintaining and disseminating Sri Lanka Standard Time (Regulation: Sri Lanka Standard Time Regulation 2011)
• Maintaining National standard for frequency
• Delivering calibration services

Standards Maintained

• Time and Frequency Standard system: Cs Primary frequency standard, Rubidium Atomic standard, Time interval counter with rubidium oscillator
• Time dissemination system: NTP time server stratum 1 and 2, web server for time display
• Time transfer system: GNSS receiver, Choke ring antenna
• Time and Frequency calibration system: Signal Generator, Digital Storage Oscilloscope, Timer and Stopwatch calibration

Calibration Services Delivered

• Time (UTC, SLST)
• Time interval (100ns to 10 days)
• Frequency (1 mHz to 1 GHz)

Stopwatches, timers, rpm meters, centrifuges, function generators, oscilloscopes, other timing, time interval and frequency measuring instrumentsused in special applications

Calibration Fee

Events Update