Description
The DS1921G-F5# Thermochron iButton is a low-cost, reliable iButton® with a wide temperature range and long battery life. The “21G”, as we call it, is best suited for applications with moderately long logging rates. Some of the most popular use cases for the 21G include research projects, cold-chain monitoring, and logging room temperatures.

SPECIFICATION
Temperature range :
-40…+85 °C
Temperature resolution :
0.5 °C
Temperature accuracy :
± 1°C: -30°C to +70°C
± 1.3°C outside this range
Sampling rate :
1 min to 255 min (Programable)
Storage data :
2048 data
Export file :
Excel
Battery life :
Up to 10 years (Depend on sampling rate)
Dimension :
Φ17.35 mm x 5.89 mm
Protection :
IP65