These easy-to- use Dickson Data-Efficient Temperature Chart Recorder 4” are cord-free and portable, making them ideal for refrigerators, freezers, or any location where temperature recording is desired. Designed with accuracy and simplicity in mind, they feature a 4" readable chart and digital display.
Units are switchable between ºC and ºF and allow for either 7- or 24-hour recording. Battery life is typically 2-3 years; a hinged battery door makes replacement easy. Choose from models with two different temperature ranges.
Charts EF9939D are provided in packs of 60; order separately below.