Gemini Data Loggers designs and manufactures Tinytag data loggers: simple, accurate and reliable devices for gathering quality environmental data. Since 1984, Gemini has designed, produced and manufactured all Tinytag hardware, firmware and software in-house from its premises in Chichester, UK, enabling tight control, assured quality and the flexibility to respond directly to customer needs. Data loggers in the Tinytag range measure parameters including temperature, relative humidity, single and three phase power usage, carbon dioxide, voltage, current and count. Robust, cost-effective and easy-to-use, Tinytags are used in a wide variety of applications across a number of industries to deliver fast, dependable data. Quality data and quality products are guaranteed by Gemini’s Quality and Environmental Management System, conformant to ISO 9001 and ISO 14001.