Comparison – Thermochron Temperature Loggers

This table shows the differences between the different models of Thermochrons.

	DS1921G	DS1922L	DS1922T	DS1923 (Humidity)
Memory size	2,048	8,192 (8 bit) 4,096 (11 bit)	8,192 (8 bit) 4,096 (11 bit)	4,096 (8 bit) 2,048 (11 bit) per channel
Range	-40 to 185°F (-40 to 85°C)	-40 to 185°F (-40 to 85°C)	32 to 257°F (0 to 125°C)	-4 to 185°F (-20 to 85°C) 0 to 100% RH
Resolution	0.9°F (0.5°C)	Programmable 0.9°F (0.5°C) – 8bit 0.1125°F (0.0625°) – 11bit	Programmable 0.9°F (0.5°C) – 8bit 0.1125°F (0.0625°) – 11bit	Programmable 0.9°F (0.5°C) – 8bit 0.1125°F (0.0625°C) – 11bit
Accuracy	± 1.8°F (1°C): -22°F to 158°F ± 2.34°F (1.3°C) outside this range	± 0.9°F (0.5°C): 68 to 167°F°C	± 0.9°F (0.5°C): 14 to 149°F
Sample rate	1 to 255	1 to 65 535	1 to 65 535	1 to 65 535
Battery life	~5 years	~5 years	~5 years	~5 years
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