The DS1921K Thermochron™ iButton® Starter Kit provides basic hardware for a quick evaluation of Dallas Semiconductor's Thermochron iButton. The kit includes a Thermochron iButton and the hardware to communicate with it.
Thermochron Features:
Digital thermometer measures temperature from -40°C to +85°C in 0.5°C increments
Accucracy ±1°C from -20°C to +70°C
Real-time clock/calendar (RTC) in BCD format, Y2K-compliant
RTC accurate ±2 minutes/month from 0°C to +45°C
Programmable temperature high and low alarm trip points
Time-stamps out-of-range measurements
Takes temperature at user-programmable intervals from 1 to 255 minutes
Logs up to 2048 consecutive temperature measurements
4096 bits of general-purpose NV memory
256-bit scratchpad
Overdrive mode speed 142kbps
Memory partitioned into 256-bit pages
16-bit CRC generator
Unique 64-bit ID number
Key Features
The DS1921K Thermochron iButton starter kit includes:
DS1921 Thermochron iButton
DS9093F iButton keyring fob attachment
USB to 1-Wire®/iButton Adapter
DS1402D-DR8 blue dot receptor with RJ-11 connector
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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