Available in the UK from APC Technology Group, Pendulum Instruments is a leading, global manufacturer of solutions for calibration, measurement and analysis of time and frequency related parameters across a range of applications within telecoms, defence, broadcast, power, transport and industrial. 

• Time and Frequency Counters/Analysers - Pendulum frequency counters/analysers are well-known as industry-leading time and frequency measurement instruments.
• Time and Frequency Standards - Very precise GPS-controlled Rubidium reference clocks for various applications offering unique traceability and portability.
• Frequency Distributions - Pendulum’s distribution amplifier offers an economical solution to the problem of the low-jitter transfer of frequency reference signals over longer distances.