The THE5028 diligence EV and probe kit comprises an N2012 diligence EV multi-channel temperature data logger as well as a PX31L thermistor (PST) penetration probe.

Kit contains:

N2012 diligence EV multi-channel temperature data logger, which gathers data from up to 5 different points within refrigerators, freezers, or other temperature sensitive areas. With multiple sensors, you can ensure all areas of your facility are functioning correctly. A wide range of temperature probes are available to suit many requirements.
PX31L thermistor (PST) penetration probe, a general purpose penetration probe for use with the N2012 diligence EV data loggers.