Gemini Data Loggers of Chichester has announced fist-sized data loggers that run for up to two years on a battery. Called the Tinytag Instrumentation range, they measure: voltage 0-2.5Vdc - 0.1mV resolution 0-25Vdc - 1mV resolution current 0-25mAdc - 1μA resolution impulses 0-14,000 - 50 counts per second max When connected to a variety of ...This story continues at Small battery data loggers measure for up to two yearsOr just read more coverage at Electronics Weekly