About Us


Metrology is part of Gemini Data Loggers, based in Chichester, West Sussex. Gemini has manufactured the Tinytag range of data loggers in the UK for customers worldwide since 1984.

Metrology provides a powerful, integrated, data centric environmental monitoring system comprising both hardware – distributed measurement devices – and software components – to meet specific user requirements.

Hardware devices are manufactured in Gemini’s UK production facility using leading edge tools and equipment. Sophisticated testing capabilities help ensure reliability and robustness. Firmware and software is also designed in-house.

Gemini Data Loggers operates a Business Management System (BMS) which includes our Quality and Environmental Policy and conforms to ISO 9001 and 14001.

Typical Applications

Logistics Temperature and location Utilities flow consumption
Pharmaceutical warehousing Utilities gas and electricity consumption
Manufacturing energy saving