ELFIN is a trusted partner for environment monitoring instruments like data logger for temperature, relative humidity, pressure, CO2, dewpoint, windspeed, rainfall, water level, water flow, light intensity and others. We are authorized distributor for Onset's full range of HOBO® and InTemp® data loggers which are highly accurate and reliable for Indoor & Outdoor environmental monitoring. For outdoor environmental monitoring, we have temperature, relative humidity, barometric pressure, CO2, wind speed, rain fall, water level, soil moisture, light intensity measurement sensors and datalogger. For indoor environmental condition monitoring, we have sensors and data loggers for clean room in pharmaceutical, storage and transportation of cold chain products.