OM-HL-SH-T is a single channel handheld size temperature data logger. It is an easy-to use, versatile and price competitive devices which can be used for a wide range of logging applications including coolers, freezers, greenhouses, museums, laboratories, shipping containers, warehouses, environmental monitoring and food storage. With 100~200ms sensor response time, these data loggers are capable of sampling as fast as 1 second and logging between once every 2 seconds to 24 hours.