Following Details of Data Logger DR-100 :

DR-100 Temperature Recorder is widely used for the storage and transportation of foodstuff、
medicine、fresh and live goods. It is used in the industries which are accordant with HACCP. Furthermore, it can be used in any place where need temperature supervising.
Features:
LCD with backlight display,
One NTC probe (PT1000 optional),
Waterproof panel (IP65),
Large data recording capacity, high accuracy, easy to use and install
Password protection,
Data reservation automatically after power off

Technical Parameters:
Temperature range: NTC: -40℃ ~ +120℃
Display: LCD, one line, backlight adjustable
Input: One NTC probe (PT1000 optional), One-Digit input (NO or NC)
Recording channel: One channel
Accuracy: NTC: +/-0.5℃ (-40℃ ~ +80℃); 1℃ (other range)
Memory capacity: 8000 points (MAX)
Recording cycle: 1 min to 999 min. (adjustable)
Resolution: 0.1℃
Printing output: Mini thermal printer, printer paper wide is 57mm, 40 characters each line
Relay output capacity: SPDT 10A 250V
Power: 12 ~ 24VDC (85-265Vac optional)
Operation Temperature: -20℃ ~ +50℃