Let Grainger help ensure you have the data you need with the right nonelectrical properties data loggers. Use a water-resistant pressure data logger to help measure water, gas or oil pressure. Track temperature, humidity and dew point trends with a data view logger that can instantly display and continually graph variables in real time. Choose an air quality carbon dioxide data logger to monitor temperature, humidity and CO2 levels. Shop Grainger now for nonelectrical properties data loggers!