Dwyer Instruments HTDL-20

The Model HTDL-20/30 is a high temperature data logger that can measure temperatures up to 500°F (260°C). This submersible and portable data logger can record up to 32,700 measurements and has an external probe to ensure fast and accurate temperature readings. The HTDL-20 contains non-volatile solid state relay memory that will retain data even if the battery becomes discharged. The HTDL-20 can easily be started and stopped from a PC or delayed to start up to 18 months after initialization.