The new S Version of TR-5 data loggers from TandD Corp, Saratoga Springs, NY, is battery operated and features portability and waterproof construction.

With a temperature range of -60° C to +150° C, the units are suited for measuring and recording temperature in normal outdoor conditions and frozen environments, frozen storage, and high-humidity situations.

The units include LCD displays, out-of-range alarm function, and can log up to 16,000 readings from 1/second to 1/hour. The battery life spans up to 4 years.

The S line includes the TR-50U high-speed USB-connected communications cradle for downloading recorded data from loggers and for device configuration and setup.

Multiple external sensors are available as options for the TR-52S